- Functionals
- Why there can be only one invariant speed
- Time travel.
- Local inertial frame
- Speed increases mass, which increases gravity?
- The visible universe and the speed of light
- gravimagetism motor!
- Earths rotation and special relativity
- Problem with Rubber and Metal Ball Analogy
- Mass inside a black hole
- increasing mass approachng c.
- SR and classical Doppler shift
- Gravity in relativity.
- Electric is Magnetic - Relativistically speaking
- Trouble understanding gravity
- two spaceships that pass in the night
- Understanding Einstein's Twin Paradox, past the usual level?
- When does Newton's Gravitation fail us?
- Simultaneity, does it confuse causality?
- Riemann curvature tensor and nonlinear operator
- Unification of Gravity versus General Relativity -- The Ubiquity of Contradiction
- Special Relativity Basics
- gravitons and warping
- What is Feynman's excess radius for a black hole?
- what are the implication of einstein's definition of space time?
- White Holes question
- Relativity Theory and Quantum Theory
- Time dilation effects on spinning object
- Does time speed up as space expands
- Tesnsors and Units Consistancy
- Lorentz transformations derived using dimensional analysis?
- Mass energy equivalence
- Behavior of a tangent light beam to an event horizon?
- Electromagnetic version of the positive energy theorem?
- Confused about Equivalence Principle
- Special Relativity Time Travel to Future - Could You Watch the News on Earth?
- Time Dilation, who is aging slower?
- Conceptual GR question (regarding orbit paths)
- The trivial constant force acceleration math
- relativity
- Penrose Diagram
- Speedy ship flies through the sun
- mass warping time, question/ interpretation
- Mass vs Gravity
- Twin Paradox (I know...not again)
- Wormole and reactionless drive
- Capacitor paradox
- special relativity
- Problems with scale
- Redshift of Sound in a Gravitational Field
- speed of time?
- Special relativity
- Gravity: Time Dilation or Death
- Superluminal velocities & redshift
- Where does gravity pull?
- Blackhole Escape Velocity
- Does an observer on a carousel see a horizon?
- Horizon for Contant Acceleration
- the gravitational redshift
- Postulate 2
- Compact Sapcetime and Time Travel
- the principle of relativity
- Time and Space
- Verify special relativity by concept "light clock"
- Gravity distorts space-time?
- Is speed of time c, atleast for someone travelling at speed of light?
- Our past is not our past?
- The God Photon
- What light does
- Hyperbolic angle
- Accelerated twin is OLDER?
- A thing that confuses me (quasi-paradox)
- Falling down an infinitely deep well
- A few "paradoxes" in STR
- Black Hole Horizon Information
- [help]how to obtain gravity eqution from gravity field Action S?
- Derivation of Wormhole Mouth Mass/Charge?
- A little paradox in relativity.
- Length contraction: a question about tramwheels
- Magnetic relativity
- Help me understand the twin rocket experiment
- Inertia of pressure in relativity
- Kerr metric, singularities in Boyer-Lindquist and Cartesian coordinates
- Kretschmann Scalar
- Hubble Effect
- Twistors
- Time Travel Theory
- Is there time at the speed of light?
- Do photons age?
- Total energy at zero rest mass
- The Relativity of Simultaneity
- Ether
- Principle of Relativity and Constancy of Light
- What exactly is meant when people say that a Light Cone is "tilting"?
- Length contraction?
- radius of the accretion disc?
- Electromagnetic General Relativity
- A question about special relativity, Please Help
- Twin paradox
- why isn't gravity the result of a variable speed of light?
- A dark part of special relativity(at least for me)
- problem with constant C
- Confusion
- Help! My Brain is Melting!
- am i moving
- Gravity by James B Hartle
- Metric tensor definition
- Vectors and the Speed of Light?
- Breaking Light and Einstein-Rosen Bridges?
- Is the speed of light a velocity or acceleration?
- Spatial curvature in Schwarzschild & FRW
- Unbound and unstable orbits
- Invariance of E and B
- A different take on the Schwarzschild Metric
- Faster than the speed of light with only a fishing line!
- Lorentz Contraction of a Moving Parabola
- Role of Exclusion principle in formation of black holes.
- SR & the empty FRW model
- Photon/particle's energy in General Relativity
- Length EXPANSION?!!!
- The beautiful sight of the interstellar traveller
- proper time
- Help with a really nerdy calculation?
- cosmological constant
- Administrative suggestion
- Affine parameter along a geodesic
- How does time dilation really work?
- Question about gravity
- Einstein field equations (EFE's)
- Insight
- EPR Paradox and implications for QM
- Neutron Stars and Special Relativity
- Effect before Cause:absolute horizon
- Send Particle Backwards in Time - Is this a hoax?
- Time
- seconds passed
- Relativistic Mass and Energy Convservation
- most basic of thought experiments in special relativity
- Is the behavior of light that remarkable?
- Velocity addition formula
- Large Scale Structure of Spacetime Study Group
- need help understanding an equation
- Confused in a thought-experiment...
- Difference in age ??
- constant velocity vs accelerating source
- Gravity Wave & Light Wave Journeys
- Black Holes and Relativity
- KE and relativity
- Tricky Pauli matrices
- Light speed laser pointer war
- mass + potential kinetic energy
- relative perspective
- Spacetime Translational Invariance vs(?) Lorentz Covariance
- Doppler Effect on Light
- Giving a lecture...
- Feynman's perihelion of mercury calculation using field theory
- Question about SR and increasing mass
- 2D Null Geodesic Solution
- Are proper travel distances contracted by SR?
- Free-falling vs Fermi-Walker
- History of Gravity
- Superman time travel
- DeBroglie and Time Dilation Paradox
- Time limit
- Close to light speed visualization question
- Axxis moving parallel to another
- Interpretation of spacetime diagrams.
- Does spacetime curvature of EM field affect zero-charge particles?
- How fast to go 1000 years into the future
- Time travel
- relativity of distances/lengths
- Detection of Gravitational Waves
- E=mc2
- Matrix equation in SL(2,C)
- Kaluza-Klein primer
- Reduced density matrices and Lorentz transformation
- de Sitter space
- which Book for Pauli-Fiertz langrangian
- Can't get time dilation to add up
- Quantum Gravity
- Illustrations
- coupled nonlinear partial differential equations or simple matrices?
- How do you prove that the speed of light is absolute
- The "Photon's Perspective" Taboo
- Beginner's question on bending of space time and measuring distance to stars
- How time Travel work ????
- Using a computer to calculate Einstein tensor etc.
- Polarization vectors
- Speed of light spacecraft
- Will our sun become black hole if it were moving fast enough?
- Getting to the speed of light
- Tensor index exercises
- closed timelike curves
- How are gauge transformations linked to degrees of freedom?
- how long would it take?
- Relativity-I think!!
- Special relativity and Earth in context to a stationary point
- What would it actually look like?
- Why is faster than light travel so bizarrely 'addressed'
- Causal set theory
- Circling spaceship
- how to draw a spacetime diagram
- Is there a Space-Time Curvature equation?
- simultenaity
- time:magnitude and direction?
- 1st Law of Black Hole Mechanics
- Hawking radiation: why only one way?
- Speed of Light Always The Same?
- Does a black hole have "shape?"
- Gravity question: Why do things fall?
- Acceleration and twin paradox question
- 4-velocity
- High relativistic speed + entanglement
- beginner needs answers to basic questions about the speed of light
- Can we predict which reference frame is correct?
- On pressure inside a stellar body - relativistically
- Can photons create their own gravity?
- Gravitational redshift and black holes
- Summation convention and index placement
- Photons, gravity, and the bending of light.
- Where is a light year inside the earth?
- Adding momentum in STR and DSR?
- Time dilation and gravitational constant
- Superman's Helicopter
- The doppler radar trap paradox on the path to gravity.
- connection between fabric of space, max. speed (of light) and time dilation
- Our light cone was a black hole
- Path of an object
- Cosmological Constant and the Colapse of the Universe
- gravitation/general relativity (minus math)
- Getting stuff out of a black hole using a second one
- Coriolis effect and relativity
- Centripetal thrust need at high-speed
- Transient mass fluctuations
- Conceptual Question about the Change in Mass
- Relativistic Energy of Antimatter
- Question Regarding Electromagnetic Fields in Special Relativity
- Twin Paradox- a quick(ish) question
- Potential Energy and energy conservation in General Relativity
- Bending of space
- Energy & momentum in non-Minkowski coordinates
- Time Dilation and Gravity's Effect on Light
- Can general relativity derive from superstring theory?
- Mass (both relativistic and rest) of a photon
- Epsilon-delta?
- Escaping a black hole
- Gravitational blueshift and a Moving Mass
- So what's next for Einstein's Relativity?
- Philosophic comments on time in Relativity.
- There is no "Transverse Gravitatonal Redshift"
- Coordinate independence
- tensors versus differential forms
- a copernicus/relativity question
- Gamma-Ray Burst (GRB)
- Raising indices in curved space
- Your favourite gedanken?
- Time dilation... but for who??
- Is each level of a group of systems representative of gravitational time dilation?
- Event Horizons / Time Dilation
- Why is the speed of light restricted?
- Bent space
- How does gravity tend to propagate?
- Are black holes bosons or fermions?
- Christoffel symbols etc. via Lagrangian
- Is this an example of Relativity?
- Faster than light
- Proof of relativity
- Physics Emergency!
- Gravitational Time Dilation - Confused
- Is Light Constant in GR
- Gravitational acceleration in GR
- Frames of reference?
- Geometrized Units
- Centrifugal force around planets
- Photon energies relative to movement, and relativistic mass Q's.
- Relative motion of C on C formula
- NM's for Wormholes
- Equivalence Principle & Gravitational Time Dilation
- Velocity of the Earth
- Fundamental c
- speed of light and mass increase
- i need help understanding this stuff
- light spheres
- So what if I was in motion and tried to measure my own mass?
- Black Hole Thermodynamics Resources?
- How is it that black holes are black?
- The Present Moment in Spacetime?
- Why would an infinite universe tend to contract?
- Large bodies of mass and their effects on apparent time
- Specific Solution in GR
- Difference between Invariance and Covariance
- Some questions,espacielly about time
- Density Increasing
- Clocks and boxcars
- Refraction and Special Realitivity
- Time dilation #3
- Gravitational Time Dilation & Blueshift
- Breaking the speed of light?
- simultaneous paradox
- Gravitomangetic B-field units
- Gravitational lensing - 2 questions
- Is spacetime really curved?
- Four-momentum of a photon
- Degrees of freedom in the curvature tensor
- Time Travel (view point of a non-scientist)
- Speed of light, propellent incease in mass?
- Passing the speed of light
- Higgs and relativity?
- Can physical 3D space exist at all?
- Does matter warp space time in the form of minimal surfaces?
- What would a time machine look like?
- evaporating BH and infalling observers - I am puzzed
- Help with SRT and Maxwell
- synch clocks
- Is there inertial mass-gravity equivalece principle with photons?
- free falling & geodesics
- Schwarzschild's radius inquiry
- Gravity & General Relativity
- Relativistic motion of a magnetic sail
- After finding the Einstein Tensor...
- clarification on length contraction
- Tidal forces around BH
- Parametric Equation of a Sphere in General relativity...
- Gravitational Time Dilation
- could GR generalized to non-integer dimension??
- A question on velocity addition
- foliating spacetime
- The Alcubierre Drive and Negative Energy
- einstein's train/embankment thought experiment as an example of backward causation...
- question on gravitational time dilation...
- Future Without Present? If the event at "present" of light cone is missing will....
- How does empty space curve?
- General Relativity vs. gravitons/force
- doppler effect for light wave
- d'Inverno page 226 (tidal force on freely falling particle )
- The Hilbert Action
- An array of lightclocks
- What Keeps A Black Hole Going?
- Just a quick question...
- My little theory: what would happen?
- General relativity
- GR - time dialation at center of a planet
- Helium-3
- time question
- Can the gravitational field create its own gravity?
- Black Holes and Gravitational Waves
- Ether and how it was disproved.
- Why does light fall?
- Simultaneity - Albert Einstein and the Theory of Relativity
- Composition of Lorentz pure rotations
- Quantum mechanics vs. postulates of special relativity
- energy in different frames.
- Length contraction 2
- moving light bulb sphere of photons
- problems I have with time.
- Help: Mode Decomposition and Retarded Feilds and Green's functions
- Zero connection => Zero torsion tensor ?
- Does the CMB allow special rest frames to be defined?
- Does time exist apart from matter?
- Relativistic version of 2nd law of thermodynamics
- change of basis for a metric
- Curvature using exterior differential forms
- 'Poking' the Event Horizon
- Significance of Special Relativity
- Lorentz Transforms + Relativity of Simultaneity
- Lightspeed wave lenghts
- Minkowski Space with object
- time dilation: most recent & precise experiments
- Basic question about speed of light situation
- How do you tell you are not in inertial frame of reference
- Modificaition in pole and barn paradox
- Lorentz generators
- Null coordinates
- Speed of gravity waves
- Ultimate speed limit
- Proper time of an accelerating particle
- Can you answer these?
- Curved Spacetime and Gravity
- where does space end
- Math of relativistic space travel
- The source of gravitational red shift
- Gravity and Pressure
- Black Hole Gravity
- Length contraction
- What does E=mc^2 mean?
- Endless acceleration
- using einstein field equation
- Does time exist without mass?
- I'm confused as to why you can't go faster than light, if you compound velocities
- the doppler effect on light (red and blue shifts)
- pls help me dissect e=mc^2
- Time dilation ll
- Hypothetically If you were in a spaceship going 0.99999999999...c and you tried......
- Relativistic Center of Mass ?
- In twin paradox, Please Help
- Naive Mass of Photon Question
- Mass of fuel would ALSO increase as spaceship comes near the speed of light!
- constantly accelerating object and its proper time
- Gravity and time
- How mass and time are defined
- Why does matter even bother?
- The speed of light and gravity
- Faster than light media
- Speed of light, mass equation
- Object falling from rest
- Disk Rotating Near the Speed of Light
- Relativity of simultaneity explained
- can information be transmitted faster than c in inflationary cosmology?
- Riemann geometry and hydrostatic
- Does space warp reduce the space volume?
- Time dilation
- Rotating rigid sphere stress-energy tensor
- Question about applying the Lorentz Transformation to velocity 4-vectors
- Space and Time
- Einsteins General Relativity Papers- Original
- absolute movement
- Christofel Symbols Tensors?
- time question
- Faster than Light Question
- Tell me what I'm doing wrong (velocity addition in 3+1 dimensions)
- A baffling quote from Einstein, badly requiring explanation
- Frequent flyer miles for the travelling twin
- light <--> mass attraction
- gravity at very large distance
- Question about C and Mass
- In which areas of physics is relativistic mass used?
- Were some of Einstein's thought experiments carried out later?
- Mass photon
- Constant Motion being relative leaves me with a paradox. I must me missing something,
- Center of Krunskl Szekeres coordinate
- What caused time to run slower in a field of gravity
- Speed Of Light Experiment
- speed of light constant throughout universe?
- Time Shift in Wormholes
- Black holes and gravitons
- Benefits of time dilation / length contraction pairing?
- How do we know that the stress-energy is a tensor?
- How come equations don't account for....
- Length Contraction Evidence?
- Train Experiment in Rotation
- The Theory of Everything
- Anti-Mass and Speed of Light
- Moving At Light Speed
- Stress energy tensor interpretation
- combining SR and GR time dilation
- Palatini formalism
- Webliography: What is the experimental basis of Special Relativity?
- Are the formulas that account for aberraion and doppler shift compatible?
- Moving through Space-Time
- Time Dilation....what it means
- Gravity Deflecting Light and Gravity Lensing
- Event Horizon
- The show of the duel
- relativity in 2 spatial dimensions
- The difference between a metric and the metric tensor
- Minkowski metric
- Einstien's original papers
- Why not length contraction?
- The Twin Paradox
- big bang theory
- How does gravity work?
- Lorentz transformation without the speed of light postulate
- electron and photons time of flight
- Expansion of Universe and Time dilation
- Why light?
- bizarre coincidence with Huble Shift and Planck seconds?
- Question about "A Calorimetric Test of Special Relativity"
- Should spacetime transformations make a group?
- Point masses in GR
- Potential to rectify an error in wikipedia
- speed of light as an impossibility
- Laser and speed
- Questions on Space, Distance and Energy
- Mirrors traveling near c
- Space ... what is it?
- Confusion about relativistic fluids
- simple.wikipedia.org article
- Perspective and Time...Question RE: Green's Fabric of Cosmos
- Lorentz contraction at relativistic speeds
- Does the existance of relativity prove that gravity's wrong?
- Black Hole Entropy: Is S=A/4 robust ?
- GR: open questions (non QM!)
- second postulate statement
- SR Inertial Frame Scenario Confusion
- [SR] Constant four-velocity c
- minkowski space-time
- time dialation and light speed velocity
- Gravitational Time Dilation and the Galaxy Rotation Curve
- Practical uses of relativity
- v/u=0 in E&F/Kerr coordinates
- Atom in Curved Spacetime
- Einstein and gravity
- Elementary Particles as Kerr-Newman Black Holes
- How does Curvature Relate to 'Gravitation'?
- Proper time
- Special relativity and the Photon
- Gravity Field Simulation
- Space-Time gravitational field problem
- ¿Why one cannot push light but just in the normal direction to the ray?
- Homogeneity of Space and Time vs Gravity
- Light and time
- Gravity Equation?
- Inertia and Time Dilation
- Volume of Dimension reduced due to gravitation
- Is there such a thing as "at rest"?
- Price's power law
- Vanishing Ricci scalar always implies vacuum?
- Observing our own past?
- Particle disappearing from view if it exceeds c
- gravitational force vs space time fabric
- E=mc^2
- Mass dilation determination
- Mass and Size of Dimension
- Time dilation not correct???
- spacetime
- Surely fault about relativistic momentum ...
- is relativity remain unchanged?
- Extent of gravitational lensing
- Effective ways of altering the speed of EMR
- Lorentz Boost of a photon
- Is Mass Relative?
- "jerk" 4-vector??
- Thim experiment: Doppler expected or not?
- What's the curvature of spacetime describe?
- Varying timing of eclipses of Algol and constant speed of light?
- Relativity for the lay person..
- Electromagnetism Paradox
- Extrapolating Schwarzschild exterior coordinate
- light speed
- Matter and Antimatter - Gravity
- validity of the Doppler shift formula?
- Black Hole and the event horizon
- Gravitational Lensing Deflection angle
- Time Dilation+Gravity
- stupid question about invariance of maxwell equations
- Lorentz basis
- Faster than light illusion
- Parallel Transport
- Spacetime and how wormholes relate to it
- Questions abouut:Special Relativity, Time Dilation, Light Clock, Velocity of light.
- collapse to a ring singularity
- Lorentz like contraction
- Contradiction?
- Time dilation in de Sitter Special Relativity
- operational definition of four velocity
- Might Have Solved My Own Paradox...
- About Deja Vu: Mass and travelling into an alternate universe.
- From rest to relative motion
- Killing vector on S^2
- stress-energy tensor
- EPR experiments imply STR not correct?
- cosmic microwave background and a reference frame
- Gravity: force or space-time curvature?
- What are the uses of GR?
- Units of length and time in MeV?
- Length contraction in Lorentzian relativity
- What does pressure mean in regards to GR?
- commutation of metric tensor
- Time concept.
- ray vs vector
- kinetic and dynamic twin effect
- timelike vs non-spacelike
- About a Lorentz matrix and its inverse ...
- Mathamatical Description of the Cosmological Principle
- Help with coordinate change in de Sitter metric
- question on general principle of relativity
- The middle frame lemma
- Flash Light at the Speed of Light Question
- Einstein's STR is valid for systems that are not accelerating.
- Superextreme rotating black hole
- crazy relativity
- four vector component. how to recognize it?
- Goofy creationist theory
- Whose clock ticks faster?
- Relativity of Simultaneity: possible scenario?
- The interior space-time metric for a rotating spherical star
- Plot of the Fabric of Spacetime - Schwarzschild
- Repulsive Gravity
- Simultaneity; is it valid to deduce that events occur at the same time?
- Algebraic Computing -SHEEP and GR
- Time Travel and Conservation Laws
- Mass-inflation
- Is 2nd postulate of SR necessary?
- Spacial Velocity?
- Equivalence of inertial & gravitational mass--I need a sanity check.
- Cosmological constant and singularities
- Is GR a 2nd order approximation in g?
- A Way to Look at Time Travel
- stress-energy tensor for a rotating object
- Magnetic Fields and Lorentz force flaw
- Embedding curved spacetime in higher-d flat spacetime
- Question on Black Holes
- Poisson brackets for Hamiltonian descriptions
- A problem with time travel.
- What distinguishes Kerr and Schwarzschild blackholes?
- Addition of Velocities
- Sr + epr
- Length contraction and magnetic field
- Lorentz contraction and simultaneous detection of the ends of the moving rod?
- Addition of velocities for General Relativity
- Gravitational Wave Question
- Intriguing Questions Regarding Nature of Time in Special Relativity!
- What units is E=MC measured in?
- Would the removal of the sun result in a shockwave?
- Definitions (continued from the cosmology forum)
- Thermal radiation during black hole collapse
- Relativistic Temperature
- Limits in SR and GR
- Lorentz force: absolute reference frame?
- Effects of non-linearity of GR
- Curvature invariants
- a few questions
- information speed limit
- Light and electric charge constant?
- order of tensor indices
- a question about the principle of special relativity
- from the "direct" Lorentz transformation to the "inverse" one.
- Four-vectors
- GR simulation - is it so difficult?
- Necessity of Constant c.
- Scattering of light
- SR and Accelerations
- Gravitational "waves" - second question
- Why is the volume element a scalar density of weight -1?
- Gasoline traveling fast
- Relativity question
- derivation of the Christoffel symbol
- Mass in relativity
- new to STR, trying to confirm my understanding
- Gravitational Attraction
- Eddington-Finkelstein coordinates
- Adding Gravitational Mass?
- struggling with relativity
- photon energy and gravitation
- detecting kerr black holes
- Event horizon - physical or chart-dependent?
- Special Relativity and Black Holes
- e=mc2 newbee question
- space-time interval invariance question
- Entropy in a blackhole
- equivalence principle and gravitational neutron diffraction
- Question on MTW (not HW).
- new to relativity
- Confusing (0,1)-tensor
- Relativistic Kinetic Energy
- Newtonian Gravity: curved time
- Naked Ring Singularities and Jets from AGNs
- phase invariance???
- Einstein Rosen Bridge
- Energy-mass equivalence question
- Weak Null Singularity
- Luminiferous ether?
- Bowling ball rubber sheet analogy
- Gravitation from light pulse
- about time measurement vs measurement of movement
- electric field and light and stuff...
- I know im wrong but just curious
- Time Dilation question
- x and x' in two coordinate relativistic systems
- Newbie question about relativity.
- white holes
- Curvature of Spacetime: an inacurate Description?
- Curious Question: Relationship between energy and graviy?
- Light & Legnth Contraction
- Frames of reference
- Solutions in general relativity
- Do we see galaxies distorted?
- Speed of light
- Cusan Transformation
- My speed?
- Does light influence space?
- the Trouble with Tachyons
- Transformation mass -> energy vice versa
- Calculating the Curvature of a Complex Manifold
- Simultaneously Solving EOS+GR using software
- Time as coordinate in many-body relativistic mechanics
- Relativistic mass?
- Gravity and Length Contraction
- Accelerating rod's length
- What is counteracting spacetime deformation?
- Nonlinear vs. chaotic spacetime
- What happens inre time if a clock is independent of the motion of its reference body?
- E-mc2 v.s. zeno's paradox
- What are the physics of changes of timecounts of accelerated/decelerated clocks?
- Simultaneous detection of the space coordinates of the ends of a moving rod?
- Simple Harmonic Motion at Relativistic Speeds
- Formulas needed for science fiction book
- Bondi mass of scalar field
- Energy-momentum tensor
- Rotating Earth as an inertial frame
- The original papers of Einstein about GR
- How does the speed of light always appear constant?
- Derivation of E=mc^2 in Wikipedia
- Cloaking with Curved Spaces
- time derivative of relativistic momentum
- Questions about light, theory of relativity
- How exactly does energy "become" mass?
- Wormhole Trouble
- Need Book on Tensors
- Time Dilation & Light
- How to release energy in E=mc2?
- When does Metric contain curved spacetime?
- vierbeins and spin connections kinetic terms (probably a stupid question)
- Removing the Schwarzschild coordinate singularity
- Is there the possibility of "absolute time"
- Charge conservation in curved spacetime
- Interpreting Schwarzschild coordinates
- A paradox?....In STR.
- special relativity in the plane acoustic and electromagnetic wave
- Gravity's Force
- extreme case of relativitic momentum
- Car & Garage Paradox
- Calculating Gravitational Time Dilation in black hole/Future Time Travel
- Does a gravitational field have any effect on mass?
- Having problems understanding Minskowski space.
- If speed of light isn't a constant..
- Schwarzschild Solution in MatLab
- Naked singularities, and Hawking
- Q&A on Relativity Stanford/NASA
- Black Holes and how gravity can overcome light speed?
- Ricci tensor along a Killing vector
- Is an Infinite Speed of Locality Possible?
- thought experiment question.
- relativistic mass and the speed of light limit
- Could Galileo have discovered Sepcial Relativity?
- Laboratory Gravity
- Relativistic Mass
- Redshift
- Few concepts that I miss in SR
- Question regarding determinism
- Why does only one object feel accelerated?
- Yet another clock question
- Understanding maximally extended Schwarzschild solution
- Rank and weight of a Tensor
- Equivalence Principle Question
- Questioning dark matter and Reinventing Gravity
- General Relativity and the Human Body
- Charged black holes
- Lorentz transformations, time intervals and lengths
- Ricci Tensor from Schwarzschild Metric
- mathpages.com "Reflections on Relativity"
- Why use the tetrad formalism?
- Einstein or Einstein–Cartan?
- Equivalence Principle & Tidal Effects
- relativistic escape velocity
- Are gravitational waves bent by gravity?
- Can a Gravity Wave be detected at a "point" ?
- Accelerated obserevers in special (not general!) theory of relativity
- Relativistic particles
- Gravitational "waves"
- Einstein's "The Field Equations of Gravitation" Paper
- Gravity and Time
- Light Cone
- Gravity - a consequence or active force?
- photon
- Time relative to someone moving at a high speed-equations for a layman?
- Confuse about the relativistic effect
- Practical calculations for gravity
- car as fast as the speed of light
- spec. relativity question
- spec/gen relativity question
- Time dilation (what else)
- Gravitational vs Inertial Mass
- Gravitational energy
- SR Doppler Redshift & SR Time Dilation
- Gullstrand-Painlevé coordinates
- Can geodesics cross?
- Is relativistic effect of length contraction physically "unreal"?
- How fast is gravity
- Maximum space-time curvature?
- spacetime - infinite or expanding?
- Having trouble understanding why FTL implies time travel
- Pre-requisites to study Relativity?
- Duality between passive VS active transfo's
- Special Relativity, Question on C and Time Dilation
- Questions about the Velocity of Light
- Relativity of Charge Distribution Symmetry
- Do objects float or rest?
- Coordinate Transformations in GR
- How does one know the energy of a Black Hole?
- Rigid bodies in special & general relativity
- Why is the speed of light exactly exactly 299 792 458 meters per second ?
- Space and time. What I dont know but would like to
- Twin paradox: telling who accelerates (why isn't it arbitrary?)
- Temperature of fast objects decreases?!
- Quantifying Negative Energy from Entropy
- Mach and Centrifuge Idea
- Can someone explain equivalence of gravity and inertia?
- Ricci Tensor
- Trying to understand relativity
- Curl added to the spacetime metric.
- Gravitational time dilation explanation for Newtonian gravity?
- singularity
- Speed of light limit
- Einstein Tensor
- Coordinate Transformation
- Time Travel in Special Relativity
- Spacetime immutable?
- more physics behind the concepts of length and rest length
- Hubble's redshift
- Question on motion of light
- Black-hole's foreknowlege
- Quantum Gravity in Relation to Gravitational Waves
- Is there any exp. evid that massless photons cuves spacetime?
- Variation of Einstein-Hilbert action
- best name for the length of a moving rod measured by a stationary observer
- Matter definition and Units
- Einstein's Twin Paradox
- Nature of gravity
- Space Creation
- Time in a Vacuum
- Could I really be as massive as the entire universe?
- anti gravity
- simple math question regarding Lorentz Invariance
- Tension in space in Newtonian gravity
- Lorentz group
- Chern-Simons Th
- Strong Equivalence Principle
- Centrifugal force in orbit
- Angular Momentum and the speed of light
- amplified frame-dragging effects due to superconductors?
- need help on Equivalence principle
- coordinates
- Current Applications of the Theory of Relativity?
- exact toroidal solutions of Einstein eqs?
- The Fabric Of Spacetime
- Spacetime diagram grid area
- Newton's Third Law and Relativity
- physical law from experimental data
- Idiot trying to grasp relativity with a couple questions...
- My first ST diagram
- modern physics
- Looking for Layman's Physical Explanation for Gravitational Time Dilation
- Schwarzschild Radius and gravitational constant
- is an isometry always a statement about the principle of covariance?
- Electromagnetic spacetime curvature effects
- My Problem Understanding Special Relativity
- would Einstein object?
- Black Hole Singularities
- particle black holes
- Wormholes
- Why does the photon bounce vertically in the light-clock?
- Michelson-Morley expt=ARGH!
- Warp Space ?
- Symplectic mechanics - elementary particles
- Help me! Stress tensor
- I'm travelling in a spaceship at 0.95c. Will things outside appear to be stretched?
- Tensors of relativity
- Relativity fails with quantum particles?
- one-parameter family of metrics
- Non Twin Spaceflight Time Dilation
- Warping of Space-time, Confusion about the illustration
- What is Time?
- "External" clock synchronization and sbsolute motion
- lorentz transformations
- Understanding special relativity
- search for a correct explanation
- Does electrical-magnetic fields curve spacetime?
- Is a reference frame fixed to a photon an Inertial Frame?
- M/M experiment is not explained by Special Rel.
- Time Dilation Confusion
- Confused about time dilation
- Universe expanding
- Formula for energy in GR
- Time and light
- Contradiction in special relativity?
- age of universe and relativity
- "Linear frame dragging"?
- relativistic momentum and photons
- Fermat principle and light
- Aether
- Twice Newton
- GR - Gravity versus light - acceleration of light?
- Moving faster but taking longer
- Do we also travel at a fixed velocity?
- about poisson's equation
- Relativistic motion
- Resolving the "Twin Paradox"
- why can't an object move at the speed of light
- inertial frames vs velocity vectors
- Universal Reference Point question
- Proof for E=mc^2
- Mach's Principle and General Relativity
- Questions about the Kretschmann curvature scalar
- Effects of Space-Time
- After 103 years, Einstein's E=MC2 proved!
- Acceleration and Relativity?
- A photon’s origin of motion
- Can a tachyon escape a black hole?
- Faster than light speed Comunications?
- Question about gravity and time
- Decelerating at 1g into a black hole
- Kinetic energy and gravity
- gravitomagnetism equations--wikipedia wrong?
- Derivation of Time Dilation and Length Contraction from Lorentz Transformation
- Worked examples in Relativity
- Schwarzschild solution radial coordinate and black holes
- How does curved spacetime result in an effective gravitational force?
- Orbiting earth at near c
- Travelling on a photon towards earth
- black hole parameters
- Stress-energy tensor and active mass
- Energy conservation in relativity
- Extremal Kerr Black holes, and their associated temperature.
- Are all spherically symmetric slicings of Schwarzschild conformally flat?
- Cosmology in Conformally Flat Spacetime
- Gradient colored rod
- Curved/warped space time
- Can gravity carry information out of a black hole?
- question about time and mass
- Reverse Twin paradox ?
- Vector addition of velocities
- Conservation of tensor pressure terms
- Relative Relativistic Velocities!!!
- Time dilation questions
- Reverse Twins paradox ???
- Near-Horizon Metric
- Double potential energy paradox resolved by Komar mass
- Kerr metric hydrostatic equilibrium...
- Speed of light constant
- Mass at a distance
- when are two spacetimes the same
- The absence of a force
- Question about length contraction
- Speed Of Light
- Principle of Equivalence
- gravitational lensing and diffraction patterns
- Twin paradox and the nature of time?
- Inertia and relativistic mass.
- Questions deriving from the Principle of Equivalence
- Question on gravity at the center of the earth
- Rest Energy concept ?
- Gravitational waves
- Help me visualize this, boundary of the future
- Gravitational Waves and Potential
- Is Gravity a force?
- another silly one
- Actual mechanics behind gravity
- Gravity and the Strong Force
- about Schwarzschild geodesics
- Conceptual basis for a non-relative rest frame
- Time Dialation Confusion
- Something you want to..
- Lorentz Transformation without length?
- Dark matter question...
- Edwards transformatin equations and SRT
- Question about Light Speed
- Resource that gives classical limit solution
- Exploring black Holes - intro to GR 2nd edition drafts online
- Colapse to singularity and Pauli principle.
- Galaxy rotation and light bending
- Speeds greater than the speed of light
- New Theory of Space
- Einstein: list of publications
- Light with Gravity and Mirrors
- Edwards, Tangherlini, Selleri transformations and their inverse
- mass of a photon
- Going from Acceleration to Constant Velocity
- The photon and Electromagnetic field
- Is it true that people who travel a lot on airplanes live longer than those who don't
- definition of inertial frame
- Time is space
- Black holes and whether General Relativity views light as a ballistic particle?
- What can be the speed of transmitting information?
- Proof of invariance of dp1*dp2*dp3/E
- Trouble following the derivation of Scott and Viner 1965
- Rotating body and relavity
- Photon Velocity and Pythagorean Theorem
- motion in space due to space-time curvature
- light velocity measurements
- gravitomagnetism … is wikipedia wrong?
- directional covariant derivative
- Ideas for small special relativity wiki-page
- How fast must a magnet go to make visible light?
- velocity of laser light pt. on moon > c ?
- Gamma Ray Bursts and Gravitational Radiation
- Frequency shift and relative velocity
- Arbitrary Velocity C in Special Relativity
- Why do heavier atoms experience relavistic effects(contraction)?
- Whose first three minutes?
- Constancy of the speed of light
- Black holes & hawking radiation
- GR and the role of the graviton
- Speed of a particle inside an event horizon
- How to imagine curved space
- Lighthouse paradox revisited
- Test problems in mechanics and special relativity
- Centrifugal Force
- Proper Time For Photon on Null Geodesic
- how to reduce Rindler metric to falt one
- Electrostatic effect of a current carrying conductor
- Laser traveling near of a supermassive body
- time
- Maxwell's Equations and Path of light & Gravitational wave
- Lightspeed
- Umsynchronization of clocks.
- Dumb question (time travel)
- Coordinate Systems in Modern Interpretation of Relativity
- The Nature of length contraction
- Special Relativity and Reference Frames
- what if C varies
- Can anone suggest...
- What is the energy here refers to?
- the inherent symmetry of time dilation
- Physical interpretation of spacetime curvature?
- Question: Spin particles in scalar gravitational field
- True Time and True c
- observable physical quantity in relativity
- Vacuum solution with nonzero cosmological constant
- Gravitons and Black Holes...
- simultaneity of relativity
- from special relativity to the classical one
- Stokes theorem under covariant derivaties?
- Tensors
- Birkhoff's Theorem
- alternate derivation of general relativity
- time dilation question
- Explaining Time Dilation and the Universe
- is time a "dimension"
- Four momentum of Photon in Center of Mass frame?
- Please help me understand (speed+time)
- Equivalence principle & accelerated charge
- Yau's result for the Ricci curvature on Kahler manifold
- How does gravity curve spacetime?
- light with mass????
- On Movement
- Is it possible to experience the same event twice?
- anisotropy of space
- Relativity
- Gravitational index of refraction
- static n-body problem
- Poincaré on the constancy of light
- Equivalence principle and Acceleration
- Andromeda paradox and empirical consequences
- Unifying Quantum and Relativity
- Vector drive - faster than light?
- How can simultaneity and the constant speed of light stay coexist.
- EM stress energy tensor
- Are electrical fields affected by gravity?
- explain general relativity
- Measuring curvature with parallel transport
- A paradox of my own
- Ether hypothesis and M/M Experiment not needed...
- Christoffel symbols
- Time Dilation/Proper Time Question
- How does light slow in the presence of gravity?
- The one-form basis and contraction
- sticky for beginners
- Einstein's real importance to relativity theory
- The existence of Infinity.
- partial derivative as a vector
- Gravity time dilation in the Earth?
- Time Dilation Question - TY
- Optical effects of special relativity
- How to calculate relative velocity in SR
- Why, why, why, Mr. Anderson, WHY?!
- Weight
- Lorentz-FitzGerald Contraction
- inertial reference frame
- Metric tensor
- relativistic collision
- Faster than light?
- Speed of light c = 0 Km/s. Not 300K, but a big, fat zero Km/sec!!!
- reletivistic particle decay
- Twin paradox negation.
- covariant vs. contravariant time component...
- Relativistic Rod and Hole
- Is space fabric or fluid?
- Length contraction depends on the distance of the object?
- Calculation of the black hole horizon's surface
- Breakedown of common sense and inertial ccordinate systems
- Killing fields and black holes
- Gravity only illusion due to expansion of universe?
- Basic GR
- How does light travel so fast?
- Proper Time
- Where did General Relativity Come From
- how is general relativity cast as a gauge theory?
- f.t.l. question
- The upward force in General Relativity
- What determines who feels the time dilation?
- Long Bar and the Speed of Light
- The Reacceleration of Light
- Quantum Field Theory - Charged Field
- What happens to the energy?
- Woodward Effect? Explain, please?
- faster than light
- space-time disturbance
- millenium falcon firing a laser
- Could you pull someone out of a black hole?
- Relative aging equation
- paradoxes if instantaneous signals
- wikipedia articles
- Acceleration and Curvature of space-time
- time dilation related questions
- Travelling near the speed of light
- formula for the acceleration felt by an accelerating object?
- transformations
- lorentz transformation in non-inertial frame
- Our Undiscovered Universe?
- Ive been reading ON THE ELECTRODYNAMICS ...
- Event Horizon and Light Exit Cone Question
- twin paradox
- Michelson inteferometer
- A small question relating LHC
- Equivalence of Time Dilation
- relativity 101
- meaning of four-velocity
- Special Relativity and the Lagrangian
- proper acceleration
- four velocity/four force
- Exceeding the speed of light.
- Picturing reference frames
- newtonian limit FRW
- SR dynamics
- Why does gravity not end at the event horizon?
- So is energy relative?
- What happens before crossing the Event Horizon
- relativistic length, 2 viewpoints
- Apparent distances as seen from within Schwarzschild solution
- Basic doubt about aether
- continuity equation from Stress-Energy tensor
- difficulty with imagine ( MM experiment)
- Energy calculation in STR
- On Length contraction and FTL
- Wien's law in relativistic frame..
- Is there a limit on real inertial frames?
- Minkowski spacetime
- Tangential Velocity, Frames, and the Speed of Light
- Acceleration up to lightspeed (From the inside)
- Mini Black Hole Loose on Earth, eek!
- Proton mass-energy
- Who gets there first? Speed of light.
- Alcubierre Drive?
- Light Clocks
- Limit to a gravitational field?
- Mass, Gravity, Spacetime and everything..
- If I was a photon....
- my first doubt about light
- Relative Motion and Time Dependance on Velocity of Light
- break the upper limit: 2x speed of light?
- Strong and weak gravitational Fields
- paradox of gravitational potential energy
- scalar invariance across inertial and non-inertial frames
- local lorentz frame
- matter-antimatter ship in GR clock paradox - fuel consumption
- how possible is time travel?
- translating and rotating rod
- Relativity and Quantum's multy universes
- tidal forces and geodesic deviation: a principle question
- Interval
- Question on Twin Paradox
- Derivation of the Special Theory
- Faster than light?
- Special relativity simulation issue
- Relativity
- equal and opposite electric fields?
- Lorentz transformation, Einstein transformation,Lorentz-Einstein transformation
- does superposition hold for relativistic particles?
- Lorenz contraction help please.
- Relativity equation - calculating the algebraic limit
- time dilation limit? (how much does time dilate at "c")
- light cones in faster than light travel
- A question regarding relativity and information transport
- Can gravity creating by energy?
- Riding on a light beam....
- Fitzgerald -Lorentz contraction
- Gravitational potential from QM-like phase
- Mass dilation determination
- Proving that the scalar product is invariant
- Metric Tensor question
- What has the speed of light got to do with time travel?
- Mass
- GPS and relativity.
- Gravity and charge question
- Gravitational waves adn Black holes frequency
- space-time
- Principle of relativity and energy?
- Uniqueness of solutions to EFE?
- An experiment.
- Force-free motion from a busted Lagrangian
- Relativity, speed of light and stuff...
- Does charge change with velocity?
- What happens when you apply a force in space over infinite time?
- What Are Closed Timelike Curves?
- about the Rindler metric
- Stupid Question
- what happens to matter inside a black hole?
- synchronization gauge
- massless particles
- Does massless particles experience gravity
- Conservation of Energy
- Riemann curvature tensor as second derivative of the metric
- Basic Energy-Momentum Issue
- Normalization of a delta function in curved spacetime
- light speed relative to accelerating & const vel source
- Robertson-Walker metric in higher dimensions (and problematic Riemann tensor)
- Does light bend light?
- Bondi k and everyday clock synchronization
- Einstein's equation ....
- Relative velocity.
- Origin of spatial metric
- Effect of acceleration on space-time fabric
- Rotating a laser beam faster than light?
- Does Light Have Mass?
- Speed of civilisation development
- Covariance and Contravariance
- Matrix Representation of Tensors?
- 'Faster than Light' Travel
- Equilibrium
- elevator metric
- Speed of Light
- a question about the speed of light puzzles me
- time travel applications
- Lagrangian for dust/perfect fluid
- warped space
- Bends in Space-Time vs Invariance
- More Twins Silliness
- Meaning of coordinates in GR
- Derivative of metric tensor with respect to itself
- How two clocks can each run slow in the other's reference frame
- Michelson-Morley experiment proves nothing
- two easy questions
- Another time dilation question
- two questions
- "Behavior of light accelerating"
- Revised Twin Paradox
- Accelerated coordinate systems
- velocity and proper acceleration
- tossing a clock
- Gravitational Theory, Don´t grasp it.
- Time dilation also for accelarated motion?
- Photonic computer
- watching young's double slit experiment in moving frame
- Why is a 3rd party important
- Newbie vs Einstein
- Mass>Energy-Gravity?
- ds notation for the metric
- Simultaneity - the equation
- Kepler & Einstein
- Coming to terms with the velocity addition formula
- nonstandard relativistic dynamics
- Thought experiment (SR)
- about spacetime curvature
- Do Closed Timelike Curves Exist?
- Kerr metric...
- Einstein hole argument
- General physics questions (experts)
- time dialation and ageing
- falling into a black hole
- Another speed of light question
- Slicing the spacetime "loaf"
- typo in d'Inverno?
- Shapiro Delay
- geometric spacetime split
- Space dilation in GR
- If the speed of light were zero
- How is velocity defined?
- Derivation of Gamma
- Define Electromagnetic Spacetime
- Is there a good introduction to Hawking Radiation?
- SR and Light Clocks - Confused!
- Third postulate of special relativity?
- Backscattering of light at a black hole
- Silly question
- confused
- crossing the event horizon of a black hole
- Anybody know how far off relativity becomes at large velocities and small distances?
- another Schwarzschild question
- Heavy question about nothing
- Question about "pressure" in GR
- A super n00b gravity question
- Speed of Light
- Gravitational time dilation from two or four bodies
- matter travelling faster then light inside a black hole
- Time dilation earth
- Can one diagonalize the Kerr metric?
- Question about exhaust velocity and terminal velocity
- 3 space dimensions
- Accelerations at various distances.
- Pole and Barn paradox - close the doors for good!
- some good (and entertaining) Yale intro lectures on SR
- Bouncing light question faster than c?
- Length contraction compression and Schwarzschild radius
- Frames of Reference
- quick question about light
- Question about Slowing light
- Gravity in relation to mass & energy
- about the accelerating spaceship
- precession angle per orbit of perhelion precession mercury
- frequency change of a photon falling to earth
- Relativistic Kinetic Energy
- E=mc² redux
- Why does light not pass through voids within atoms??
- Have the gravity waves been detected from the big bang?
- special relativity and apparent, actual and synchronized positions
- Does space expansion theory obey relativity laws??
- Requesting Simple Examples
- Conservation of Energy
- Space Time Fabric
- High frequency gamma ray.
- Universal Reference point in time
- Challenging problem in GR
- Photons that orbit at the event horizon.
- Charged particle at relativistic velocity
- energy in a human question
- Expanding universe & relativity
- About Schwarzschild Solution
- round trip (two way) speed of light
- speed of C
- Orbiting Time Dilation
- Intriguing Question
- Question about time.
- A doubt in simultaneity
- photon's mass
- speed of gravity and Baez's article
- SR's Length Contraction and Time Dilation
- fictitious force
- Identifications between the model and the real world
- Einstein's resolution of the "clock paradox"
- Determination of Riemann curvature tensor from tidal forces
- MTW questions
- Spinning at the speed of light?
- Proper acceleration
- tensor infinities
- gravitational force = inertial mass
- Time dilation and distances
- on the noton of reference frames force and acceleration
- the problem of simultaneity
- Trivial question about gravity affecting itself
- Stress energy tensor of a rotating hoop
- photon and mass questions
- Can mass go faster than the speed of light?
- What exactly is stopping us from unifying GR and quantum mechanics?
- Time Dialation Equation
- why can't gravity accelerate an object past c?
- extinction phenomena.
- Whats NASA saying?
- a question about the relativity
- What doesn't have gravitational mass?
- Lightman et al Problem 3.24
- Definition of Kronecker delta
- Lightman et al Question 3.10
- (special) relativistic effects made clear in animation
- A question on why Special Relativity holds
- Lorentz and Poincare groups
- about geometrized units
- Confused about gravitons
- How often does mass effect space
- Rotation and Gravity
- Dumb question on Unruh effect
- Would Gravity Waves Show Doppler Shift?
- Frequency shift of light between observers in Schwarzschild space-time
- Einstein's Field Equations
- Question about Light
- Noether's theorem
- On Petrov classification
- Does the metric really represent "intrinsic" spacetime in plain English?
- Is the speed of light a constant
- A universe without light
- Time-reverse symmetry of the principle of relativity
- Distance changes?
- Another question about speed of light
- Angular distance in SR
- A Thought Experiment with Time Dilation
- black hole question.
- Conservation law using Killing vector
- Analogue of Lorentz transformation in General Relativity.
- Whom do we consider as moving in special theory of relativity?
- What would you see.
- Advance of perihelion
- Bounded by spacetime
- Space-like intervals
- How Can V Draw Space Time Curve
- what is the meaning of topological black holes?
- Is Matter Made Up of Photons?
- Help with McMahon's Relativity
- Why can't we go faster than 300,000 km/s?
- simultaneity and a thought experiment
- Schwarzschild curvature
- Time Distortion
- space medium or infinity
- Photon acceleration
- Light Tag
- a weird "spherically symmetric" metric
- Time Dilation
- Gravitation ?
- Light speed in relation to the size of the universe
- LHC safety case
- homothetic vector fields?
- What properties of space determine gravity velocity?
- Does the expansion of Space require continuous energy??
- little problem with group velocity
- 3 and 4 velocity and acceleration
- A more interesting Pendulum Paradox
- In this scenario is faster then light speed possible?
- Is there a gravitational equivalent to magnetism?
- I would like an answer please.
- Thought On Gravity
- Coordinate transformation and choice of a suitable coordinate system.
- negative clock reading
- Black hole physics ...
- geodesics in metric geometry and affine
- Quick Question about Time Dilation
- Time dilation
- Questions about acceleration in SR
- On GR and Interstellar exploration
- why does light move at...
- relative moving charge
- Possible Analogy for Objects Moving at C
- Question about Acceleration and Relativity
- On The Ether Concept In Physics
- Space & time
- Classical Pendulum Paradox
- Zz please read this!
- Warped space vs gravitrons
- Is motion relative to the size of an object
- Velocity
- I would like an answer please.
- Eddington - GR as description
- Speed of light - with observer experiencing gravity
- The General "Principle" of Relativity
- Matter tells matter how to move
- Why Does light have a speed limit.?
- rest length in general relativity
- Group theory and Spacetime symmetries
- New Relativity FAQ
- Who coined the term "relativistic mass"
- Pushing in the wrong direction
- Curved space-time and dimensions
- Light
- Energy-momentum tensor for a scalar field (sign problem!)
- Michaelson Morley experiment.
- radial change
- Worldline of photon in comoving coordinates.
- Wave Function in Lorent tranform
- tachyons
- time dilation and the pioneer spacecraft
- please send me link
- faster than light
- Temperature and special relativity
- Help with relativity [relativistic rocket]
- Is this tensor operation valid?
- Just a “simple” question about the speed of light and c^2.
- the very significant and positive result of the MM Exp
- Absolute Zero and time travel?
- Gravitational Time Dialation
- Why not fewer visible stars in far away galaxies?
- Motion of Spectral signature
- Gravitons or Warped Space-Time?
- Relativistic Star Brightness
- question on Einstein's Simple derivation of Lorentz Transformation.
- Charged black hole
- Measure of Distance to Stars
- Black hole
- Accelerating universe != conservation of energy?
- forumulation of field equations
- Drawing Penrose diagram figures
- Gravity AND curved space-time bending light
- Acceleration or gravitational time dilation the same?
- Special Theory and String Theory.
- Andromeda paradox
- Speed of gravity - simple question
- Question on Time Dilation Experiment
- Time and Tempature question
- question about greene's "the fabric of the cosmos"
- Doppler shift clarification
- Geodesics and stretched strings
- movement and spacetime
- special relativity problem
- Is inertial mass of gas the same as its rest mass
- Question on relative time.
- Can objects 'fall faster than c' in a gravity field??
- invarients for 4-vector quantites.
- Einstein's Last Thirty Years
- Determined c in S v. Result of the Michelson_Morley Exp.
- div G_ab = 0
- Does light have mass/weight
- E=mc2
- anybody got a "light"
- Clarification on the consistency of light speed
- Absolute Time
- Help me through a simple SR problem
- Doppler-shift/hubbles-law implies big bang/universe age?
- Flat uniform and equivalent
- lengths and times relative to S' and S
- Question about the rotating disc
- Is relativistic effect of length contraction physically "real"?
- a strange paradox
- Stupider-er Twins Question
- Čerenkov radiation
- actual and observed time dialation
- What kind of math is needed to understand relativity
- In what direction does length contraction occur?
- Simultaneity Problem
- Traversable Wormholes
- Can information travel faster than light?
- Development of generalized metric
- can light have a phase velocity faster than c?
- Gravity Wave
- absolute simultaneity with Einstein synchronized clocks?
- special relativity treatment of gravity?
- Tensor Manipulation
- special relativity: twin paradox
- vacuum solutions
- the Michelson-Morley experiment
- please explain a little about general and special relativity
- Symmetric Twin Paradox(?)
- Are relativistic effects "real"?
- ON THE ELECTRODYNAMICS OF MOVING BODIES by A.EINSTEIN
- twins
- Geometry of Minkowski space
- light and gravity
- relitivistic rocket
- spacetime and em
- Stupider Twins Question
- a link to math
- experimental data for..
- Nasa
- Surface area of the earth
- simultaneity and frames
- age of universe-speed of light
- [SOLVED] light and time
- How do relativity explain elliptical orbits of planets?
- Fields = mass?
- Stupid Twins Question.
- perturbing the Schwarzschild metric
- redshift question
- about the metric tensor
- Behaviour of measuring rods...
- Why doesn't the universe expand on small scales?
- Andromeda Paradox
- Palatini form?
- Acceleration and twins.
- Plase Help Me!
- Derivation of E = mc^2
- Which is the densest star and how much does it bend light rays?
- Does this violate EP?
- Preferred Frames not in SR are used in Astrophysics
- Simple question on EM field
- General Relativity Question
- Why do we have red shift and blue shift, and not only one?
- Universal expansion velocity SR or GR?
- Black Holes For Civilians
- GR Tutorial
- Time slows at the speed of light
- Does acceleration cause time dilation?
- invariant "spacetime velocity"
- gravity and acceleration
- Equation for time dilation.
- relativity
- about basis vectors
- Another impure twin paradox
- Which clock is slower?
- Principle of equivalence
- Question on De Broglie
- speed of light in a different medium
- inverse twin paradox
- basic thing with general relativity
- Gravitational redshift and phase velocity
- Relativistic Optics
- Time and speed of light problem
- Bell's Spaceships Paradox explained.
- Description of magnetic field in black holes
- Curvature Scalar
- Train Problem
- Speed Of Light
- How would the speed of light affect your mass?
- Relative to a black hole...
- "twins' paradox" and acceleration
- What is Meant by Time & Space Being "Continuous"?
- loss of simultaneity explained by classical physics
- Multiplet paradoxes...
- Light Speed
- Absolute speed of light conundrum
- SR motion, GR motion
- 5d Relativity?
- Time dilation explanation for gravity?
- Wouldn’t time dilation govern a speed limit?
- Everything travels at the speed-of-light ?
- Alpha Centauri lottery
- twin paradox
- Relativistic cyclotron frequency
- Reconciliation of Maxwell's Equations with Relativity
- Criteria for Lorentzian Space or Region
- Expanding universe
- Another twin paradox variation
- Need a physicist's opinion
- Can You Travel Faster Than The Speed Of Light?
- Question on both Time Dilation and Lorentz Contraction
- How can we tell if a given tensor is a curvature tensor?
- length contraction and time dilaton
- What good is a gravity wave?
- Zero Time, Infinite Space?
- Singularity Semantics
- What are the meaning of monopole character and dipole character?
- black hole...?
- At what speeds does relativity become noticable?
- Time and Relativity
- Defintion of Curvature
- Time stops at light speed?
- ?Strange? interpretation of Time-Dilation and it's implications
- Lorentz question II
- how does Lorentz transformation manage to maintain the speed of light constant?
- 2 body rotating system in GR
- How can length contraction of a rod be measured?
- Lightwave moving towards/upwards curvature
- gauge theories of gravity
- Gravity vs Diffraction in Troposphere of a Star
- Confining a photon to form a black hole
- On the speed of light, accelerate toward mass
- Relativistic Doppler Effect notes
- Is Lorentz transformation absolute
- black hole question
- Impure twin's paradox
- Field Shift
- gravity in R5?
- F=ma at light speed
- Gravitational Redshift
- What do i need to know to move on to the Relativity ?
- Pure twin paradox...
- newie relativity question: proper time vs. arc length?
- Twin (rod) paradox...
- Use of covariant derivative in general relativity.
- History of special relativity
- Gravity Probe B and 'frame dragging'
- attaining speed of light
- (E,p)(E,-p) What pushes on a scale?
- Mathematics prerequisite to that of relativity
- Dingle's Dilemma again!!!
- Relativistic mass and space-time curvature
- Relative velocity and GPS
- Scale vs. Balance
- RedShift-BlueShift Confusion?
- Mass Dialation question
- Special Relativity question (from non-physicist)
- lol--lol
- general relativity question
- Is is not that Simple? (about Lorentz transforms)...
- Relativistically correct exression for Lorentz force
- Relativity on spin particles
- Conservation Laws
- Particle speed on a relativistic wheel?
- What is Physical Significance of "Lorentz Transforms"?
- Einstein simultaneity: just a convention?
- GPS and relativity
- derivation of relativistic acceleration and momentum
- CERN, speed of light...
- GR and quaternions
- Need some help with relativity...
- Radial Free Fall Proper Time
- Gravity-Why not repulsive?
- Does a photon curve space-time, i.e., produce a gravitational field?
- Does gravity function as a lens, a prism or both?
- energy
- Questioning examples often used to introduce the basics of relativity
- Can time contract?
- Current Sagnac Theory?
- Prove that 4 vector potential is really a 4 vector?
- Rest Mass?
- M&M, Trouton-Noble, Disintegrating Particle, etc
- Confused about "Aether"
- Aether attached to Earth?
- A little geodesic help
- time dilation question
- again on twin paradox
- Sign convention in the space-time 4-vector
- Understanding Gravitation
- Stumped about GR "contradiction"--help please
- photon kinetic energy
- Faraday's law of induction and special relativity
- Twins Paradox and acceleration
- Why c?
- What is a null coordinate?
- Gravity and bending of light
- alternate twin paradox
- Divide by zero
- relative velocity of third object
- Ricci Scalar Problem
- GPS and Sagnac effect.
- Object's Mass Increasing
- Why general relativity and quantum mechanics are incompatible?
- Time Dilation a Constant? Space Contraction connection with Dark Energy?
- Doppler Effects on Gravity
- Horizontal Distortion
- speed of gravity
- General Relativity as a non-Abelian gauge theory
- Einstein's train - When+where does side observer see lightnings to the train rider?
- photons stuck in an orbit
- Crazy one - photons and time
- OK FINE, magnetism is explained away by relativity
- particles travelling faster than the speed of light?
- non-homogeneous; anisotropic
- gravitational wave frequency
- Wheeler v. Einstein
- Why E=MC2?
- Gravitational flux in GR
- GR and conservation of energy
- lorentz - dont get it
- Does a relativistic rolling ball wobble?
- Gyroscope experiment
- Relativistic wobble?
- Retarded time
- Force and acceleration
- Electron Velocity vs Field Strength?
- Calculating the travel time in relativistic travel
- Is black hole entropy invariant?
- Twins Visualized
- who is moving
- Another length contraction paradox
- gamma in GR
- Newbie relativity question
- Pervect's discussion re photon/light perspective/reference frame
- A falling object
- Synchronised Clocks
- paticle accelerator in space ship help pls
- Orbital Light Speed
- Hypothetical spacecrafts traveling at light speed.
- am I moving
- Combination of Michelson/Morley and Time Dilation
- is time, inside an event horizon, time-like or space-like?
- differentials - is this valid or just sloppy but right?
- General relativity in 1+1 spacetime dimensions
- Observation of a black hole
- Space Elasticy
- General Relativity and the Moon's orbit.
- Inertial frames and Parity symmetry
- Photon's perspective - we are one photon
- What experiments are lined up to test gravity
- Can gravity exist without mass?
- de Sitter Universe
- possible quantum implications of GR?
- Relativistic thermodynamics controversy?
- A problem with light speed constancy
- Local relativity
- From The Suns Core to The Corona?
- opinion/discussion/advice on a simple thought experiment please
- Motivation for tensors in GR
- Questions about gravity and curved space
- Question about a figure in relativity textbook
- Travelling to the Nearest Star and Time Dilation
- Lie derivative and Riemann tensor
- line element of Schwarzschild
- Planck-Einstein Transformation of temperature
- accelerating black hole
- Do objects actually shrink?
- Can galaxies recede from us at velocities greater than c?
- two kerr black holes?
- Two oposite beams and earth and rocket again
- Twin paradox in an empty universe
- empty space
- GR explanation of Newtonian Phenomena
- position of a ship in a new dimension
- GR and Dynamical Systems
- consistency of the speed of light
- SR paradox
- Another question about photon perspective, concerning entanglement
- Energy momentum tensor of a scalar field by varying the metric
- curved space/ spacetime
- Transform Mass in energy
- The Gauss Bonnet Lagrangian and the conserved current
- Time Dilation backfires
- Definition of an Inertial Frame
- Violation of the EP
- Circular Orbits of a Black Hole
- faster than the speed of light
- A question about invariants
- naked singularities
- Does relativity work...
- QM flux in curved spacetime
- wave equation in curved spacetime
- Limiting Speed
- synchronised clocks anylsis help please?
- photon mass destroyed?
- Accelerating twice
- 4-velocity, the "mass shell" and potential energy
- Constructive criticism please.
- time dilation analysis help please
- Parallel path interaction
- thought experiment
- Question about 3 momentum
- How does an object "know" that it is in motion?
- black hole decay
- Inertial Reference Frame
- What happens to the pythagorean theorem in a non-euclidean space?
- Trouton-Noble experiment
- Lorentz Violating Field
- speed of light question
- "Relativity Revisited"
- A bench-top test of special relativity ?
- what is the motivation of twistor
- Atomic clocks & general relativity
- the stress energy tensor again
- relativistic phase space
- Time Dialation analysis
- Twin paradox and time dilation.
- curved space JesseM
- Events and how they are percieved.
- spherically symmetric metric in isotropic coordinates ???
- Lorentz Factor
- space is flat
- time dialation
- remote Frames of ref
- Could i make this clear
- photon paths.
- Mass question
- Looking for a word
- Lorentz via rotation
- The usage of ct instead of t
- The meaning of conical singularity..
- amazing thought worth a look
- Magnetic Field Lines/Location in space
- Long planet and Galileo thought experiment
- non-maximally extended universes
- Blind man's Relativity
- Michaelson Morely
- How to measure absolute velocity
- Does a black hole cause light to move faster?
- What is light?
- Why is gravitational mass the same as inertial mass?
- twin paradox
- How old is my twin brother?
- A question on special relativity
- is the universe bounded?
- Basic math operations on 4-vectors
- Lorentz invariance and General Coordinate transformations
- discrete precursor of stress-energy tensor
- "No-Interaction" Theorem
- A silly question ?
- Question on SR
- parabolic trig for Newtonian space-time?
- The Ehrenfest Paradox
- ct dimension
- Synchronised clocks
- gravity and EM
- Does GR say anything about solid angle deficit?
- t of t' and x of x' with respect to S
- My response to an anti-relativist
- momentum in the time direction
- If i had a micro black hole..
- photons, mass, momentum
- Does light have gravity?
- stationary and moving clocks
- Zero reference
- Question on Effective Potential
- Why is the speed of light the same to any observer?
- energy, heat and speed
- an inverse relativity problem
- length contraction v. time dilation
- A question regarding length contraction
- not to defend Phrak, but i have a related question...
- A question about E=mc^2
- Can energy be converted into mass?
- Puzzling Question
- Light Speed Travel and Causality
- How Does a Clock Measure Time?
- Does Thomas Precession violate angular momentum conservation?
- Classical Gravity versus GR
- A Myth about Black Holes
- Effect of gravitational potential on energy
- where GR doesn't work.
- Size of a black hole?
- BKL Conjecture
- GR and QM conflict
- Maximum speed of anything, temperature
- the Lorentz Group in General Relativity
- Newton's Bucket
- Does a dimension have dimensions?
- Deriving gravitational redshift using the energy change approach...
- unanswered in class
- Magnetism and Relativity
- Q
- Mass transfer between black holes
- Gravity: real force or artefact of acceleration?
- So what has happened to the GPE (Gravitational Potential Energy)?
- More Spacecraft Velocity Anomalies
- Meaning of diffeomorphism invariance?
- Ricci tensor equals a constant times the metric
- Time Dilation. I don't get it!
- Is light travel time for event time calculation usually implicit?
- Relativistic heat force.
- Blackholes light gravity
- What's wrong with Michelson's explanation of ether dragging?
- twins paradox confusion
- Show that ds^2 = ds'^2
- Geodesic deviation equation
- Locality, Time, Speed, Distance, and one confused person.
- deflection angle of a ray grazing the sun
- Does a photon age?
- Time dilation
- does gravity move off?
- A hypothetical question
- bending of light?
- tough relativity problem
- Einstein - 1911 paper
- The physical nature of spacetime
- Why the light speed is aprox. 300,000 kms/second?
- The Nature of Time?
- Time and Gravity
- about the Einstein tensor
- What does a clock measure?
- Curvature of Time?
- transformation
- Revisiting the lesson of the "Relativity of Simultaneity"
- Maxwell vs Newton
- Doppler Effect and absolute simultaneity
- Did Einstein "guess" the time-dilation equation?
- Derivative of the metric tensor
- Energy-Momentum Tensor
- General Coordinate transfos vs Lorentz transfos in GR
- Why do people insist on the graviton..
- Confusion about signal latency vs true relativity
- Energy-momentum...
- Absolute acceleration?
- Relativity Questions
- Where does the energy go?
- A concept of Relativity
- Two questions about the ADM formalism
- Speed of light.
- hypothesis about speed of light
- How infinite does time get by gamma....
- Gravitational Waves in other dimensions
- Coupling spinors to gravity
- Quick Notation Question
- Rotating Spacetime - a question
- Help with Space-time Bend.
- Interesting new take on gravitation?
- SR/GR Space-Time
- absolute simultaneity
- A question concerning the lorentz transformation derivation
- Understanding Time and Space as One entity.
- Computational GR
- Help in deriving the pair of singularities in an Einstein-Rosen bridge.
- General Relativity
- Show Lorentz invariance for Euler-Lagrange's equations- how?
- Is relativity a gauge theory?
- Question on Special Relativity.
- Is the GR self-contradicting?
- GR explanation of Newtonian Phenomena
- traveling into the future in order to travel back into the past
- parallel transport approximation
- Violations of Causality
- Curvature inside a cavity
- Time dilation derivation
- Schwarzschild in 5D
- A noob question about relativity.
- derivative of metric and log identity
- Mass increase
- Why does light have invarient speed?
- Plotting space-time curvatures as curved 2D-surfaces
- elapsed time on accelerating clock
- Relative Motion, a confusion!
- Gravity, cause or effect of time dilation?
- Help with showing the existance of the Schwarzschild singularity at r=0.
- Units, Relativistic Momentum
- How close to light speed can you theoretically get?
- Are the the gravitational mass and the inertia of the sun the same?
- Massive objects moving too fast
- Adjoint of functional derivative in superspace
- Noob with a question about lightspeed travel.
- speed of light
- Information for the uninformed
- Spinning Singularities?
- Aether attached to earth
- Coordinate acceleration without a Force !!!!!!!!
- Deriving the line element in homogenous isotropic space
- Black hole existence
- Clarification of Terminology - GR Stress-Energy Tensor
- Finding required energy
- Simple problem driving me nuts :-)
- SR and a train
- ct axis??
- Colliding rotating black holes
- Can information travel faster than light?
- conventionality and clock symchrnization
- Kerr
- The 4th Dimension.
- Rotating rocket experiment
- Simple Question
- Local acceleration experienced by observer
- Angular momentum
- Question about Sticky
- energy-mom tensor of charged dust (homogeneous and isotropic)
- relativity effects on photons
- light moves at C from all frames of references?
- non-standard clock synchronization
- Deriving Law of Conservation of Energy from E=MC2
- speed of light
- Please be gentle to a layman
- Help! Deriving formula for Einstein Radius
- Radial geodesic distance with Schwarzschild's solution
- Proper time of accelerated clocks
- Dustparticles and geodesics
- Size of an inertial frame
- Help with explaining why BigBang was not a Black Hole to High School physics students
- Detecting absolute motion?
- Emission/Absorption
- I have 2 questions about relativity
- line element on a torus
- Reverse-tracing Einstein's field equation
- paraboloid problem
- Black holes and the time issue
- Spherical shell in 2-space
- The synchronization procedure
- Relativistic Aberration?
- help with wording my thoughts
- Poincaré's 1900 paper on Lorentz's theory
- Radius of a black hole
- Speed of Light question
- grtensor tutorials
- The light clock and time dilation.
- Tethered to the Moon
- Traveling faster than the speed of light?
- Special Relativity, 2nd postulate, and a dilemma
- contravariant derivative?
- Disgruntled observer
- Spacetime transformations or not?
- why???
- Question about relativity
- On Lorentz transform.
- question on traveling spaceships
- blackholes and planets
- from Lorentz transformatios to Bondi's approach
- Beyond the Twin Paradox
- Climbing out of a Black Hole?
- Waves in GR
- Torsion in GR
- On Pressure/Gravity/The Expanding Universe
- Rotational reference frames
- Simultaneity
- why R-1/2gR
- Can you actually measure an object's velocity?
- Does pressure resist acceleration?
- Falloff behaviour of light vs gravitation
- Q about the spacetime bending
- Time dilation for Dummies
- Einstein's ultimate conclusion regarding ether and Relativity?
- speeds in space
- Name of the topic
- Schwarzschild Metric
- Wormholes
- Atomic clocks and relativity
- Lorentz interval
- Proof of invariance of gas pressure
- Help me get modern please?
- curl in GR
- No seriously; Can we, maybe, go to the past?
- Stress Energy Tensor
- Nature of Spacetime
- Does time stands still at c? And is room a point then?
- Space without time?
- A laser time machine
- Cosmological constant as a perfect fluid
- Affects of gravity on oxygen
- Twin Paradox Content
- From Geometry to Kinematics
- Question about Relativity and the apparent direction of light
- Plot a point on Earth through the Universe
- Why all at around the same time?
- Differences between Lorentz scalars and Lorentz invariants
- Q about relativistic mass increase, starship
- Basic Q about Relativity
- space-time transformations with different shape
- how does photon gain its speed in no time?
- conformal transformations and the Einstein frame
- Relativity Concerning Small Particles
- How does a photon's event horizon look like?
- Tachyons and photons
- annals of physics
- is this a suitable explanation of relativity?
- the twins in a big circle
- The Equivalence Principle
- “Two-spaceship paradox” This solution incorrect
- What happens to time when gravity is absent
- Why nothing is observed going back in time
- Observed Time vs Observed Duration
- Preferred Coordinates
- Portal Discussion: Human at Speed of Light
- could general relativity be right simply because it explains gravity?
- Does time pass for photons?
- Tachyons travel backward in time?
- Typical speed
- x' relative to S' and relative to S
- Is it not possible to travel in light speed?
- A question about relativity theory?
- GR and Curvature
- Relativity and my Intergalactic Space Race...
- Lorentz contraction of box filled with gas
- Time, entropy and relativity
- einstein began looking for gravity in the electromagnetic waves
- Problems in General Relativity
- simulation: ray of light near black hole
- Light V/S non EM wave.
- Faster than light.
- Thought experiment revisited
- My Black Holes brainteaser
- Does c change in this case?
- the Lorentz group generator
- phase invariance of e.m. waves
- Relative Time
- General Relativity Papers
- relativistic terminology
- contraction of riemann tensor
- Twin paradox
- Light speed paradox?
- stress energy tensor for rotating disc
- Time Dilation and space missions
- Hamilton in GR
- If light has no mass, how can it have energy according to e=mc2?
- Thoughts (of an amateur) on the Solution to the Twin Paradox
- Increase of mass and legth contracts with speed?
- length contraction derivation
- Gravitational Wave Rocket
- from one space dimension to two space dimensions in special relativity
- Falling into a Black Hole
- Velocity transformation
- Where does time travel fastest? And a moving galaxy/light speed question.
- Gravitational Self-Interaction
- Q On Lorentz Factor
- How is time and space affected by the warps in General Relativity?
- Kinetic Energy and Wormholes
- Does a sphere remain a sphere
- Relativistic Thermodynamics
- Relativity Stumper for you Einsteins
- postulate and special relativity
- Gravity vs. Acceleration
- Twin Paradox
- Special relativity review
- lorentz transformation
- Gravitomagnetism?
- Axiomatizing relativity
- Kerr solution as complex transformation
- Photon's frame of reference
- Light has been bugging me.
- A new angle on the Right Angle Lever Paradox.
- Problem with thought experiment
- A new veiw on gravity
- What is gravity?
- Time Dilation
- lorentz contraction from space-time interval invariance
- Video lectures on GR?
- relativistic velocity derivation under constant force
- Energy in relation to space and time
- Is gravity a force?
- Gravity Wells
- Current status of gravitational collapse (full quantum mechanical treatment).
- terminology problem
- Lost sleep on this question...
- Schwarzschild solution and Machian variable G
- Is the direction of a pulse from a laser pen dependent on the observer?
- Math of an accelerating spaceship
- when the revolution of the earth on its axis accelerates
- Space-time Fabric: how what and why it warps?
- FAQ: Experimental Basis of Special Relativity
- time slows down when you approach the speed of light?
- Must measurement of time reference light?
- Why does light have invarient speed?
- black hole
- About the 4 potential
- space-time interval question
- The Twin Paradox Paradox.
- Relativity paradox!
- Puzzled by light???
- Relative speeds
- A Question About Special Relativity's Basics
- Just how many different theories of gravity are there?
- Force propagation and length contraction
- Layman Needing Research Info...
- Educational value of spacetime diagrams
- Stationary axisymmetric spacetime
- Is space curvature misleading?
- Problem with equivalence principle.
- Restrictions on Riemann components
- Regarding the conversion of kinetic energy to mass
- scanned relativity books on the internet
- General Relativity: gravitational waves
- The twins paradox and explanation
- Uniform Acceleration and Gravity (again)
- clock synchronization
- Time dilation and the photon clock
- Newtonian perturbations to Minkowski
- Simultaneity in Relativity: self-contradictory?
- Gravitational mass
- Dark Matter and Velocity
- ergosphere questions
- The Schwarzschild metric...
- c / speed of light
- another question on black hole
- Photon-Electron collision problem
- Lambda Warp Drive....
- Newtonian limit of LCDM
- blackhole speed question.
- e=mc^2 in 1,2,3,5,6... dimentions?
- Mach's Principle and Equivalence
- Following Schwartz's argument re: measuring (g-2)
- Galilean vs Lorentz transformation equations
- Exotic matter
- Rotating Space Station
- How do we know that gravity is an attractive force?
- Special Relativity and GPS
- Mass of a Rotating Cylinder
- Modified gravitation ; how to make it relativistic ?
- What is general covariance?
- schwarzschild de sitter solution
- kinetic theory in general relativity
- Free fall coordinates in Schwarzschild?
- Is the Loedel Diagram a Special Case of the Minkowski Spacetime Diagram?
- De Sitter relativity and Lorentz contraction
- Relativistic wheel and orbit connection?
- Does a Black Hole Ever Collapse?
- EINSTEIN-VLASLOV EQUATION (to chriss HILMAN or anyone else who cares)
- Time dilation question
- Could moving observer be stationary vs moving and still give Albert the same results
- Cooperstock &Tieu's most recent paper
- Newtonian limit of GR
- Constant Acceleration seen in an inertial frame
- radiation around spherical object
- einstein/ michelson-morely
- Closing door paradox?
- Lorentz Transform in Non-Minkowski Spaces
- General relativity concept
- The spreading stain
- 2 Masses accelerating to eachother
- My 9-year-old son has a physics questions that I couldn't answer...
- Length contraction.
- simultaneity check
- which solutions of GR are experimentally tested
- Geodesic applied to twins paradox
- Linearized gravity / Linearized Einstein Field Equations / GEM
- Derivation of Lorentz Transformation
- Software to vary the Action
- Spinning disc
- Where do CTCs go?
- homogeneity and isotropy
- Tidal Effects of Non-Uniform Gravitational Fields in Free-falling Coaches
- Light through a medium
- Derivation of the Teukolsky Equation
- could a moving object become a black hole?
- Time Travel
- Doubt on FRAME of REF(Its killing me!!!!!!Help)
- Topology of closed timelike curves (CTC)
- Is Einstein's etheric model of GR compatible with modern physics?
- When a photon is absorbed
- speed of light in a medium
- time dilation
- Topology outside vs inside black hole
- photon emmission
- Why the metric is covariantly constant?
- Faster than light
- 4-vectors and the like
- Infinite energy, light speed.
- Gravity/conservation of energy?
- Brightness
- A question for relativists
- Speed of light limitation
- why torsion free metric compatible connection ???
- EFE in empty space
- equivalence principle
- Modelling Einstein's Thought Experiments (Trains + Mirrors)
- Crackpot argument on Physicsforums gets published!?
- tick tick tick tick boom
- can somebody read this and tell me the flaw in the argument?
- GR and acceleration
- Question on Curvature of Space
- Apparent position and light travel time
- a limit problem in SR
- time dialtion tick tick skeptick
- Einstein's papers translated to english?
- Relativity, the flow of time and speed
- Interaction of 2 black holes
- Question about events inside black holes
- Hubbles Law violates c?
- Upper Limit of Acceleration?
- Boosting the potential
- Speed of light
- a question with the readings of synchronized clocks
- what is the nature of gravity constant?
- Relativistic Lagrangian
- Looking for complete explanation of logic behind relativity
- Special Relativity, Existence, and Big Bang
- lorentz transformation active or passive？
- About the validity of Einstein’s 1905 Principle of Relativity
- Peering into the heart of a black hole
- What does curvature of spacetime really mean?
- speed's influence on space time
- invariance of combinations of physical quantities
- Speed of Light
- Paper discussing the mathematics of relativity
- I have a question on motion!
- Does a gravitational field have mass?
- Slowing Down a Photon
- Galileo's experiment and Equivalence Principle
- Speed/Aging Theory
- Time dilation, length contraction
- Maxwell's equations in higher dimensions.
- DEC with E/M and scalar fields
- SR problem..
- Black Holes
- Flat-space picture of gravity vs. General Relativity
- Orbital Velocity at r=3M?
- Relativistic Paradox
- Does kinetic energy vary by frame of reference?
- limit to strength of electron magnetic field
- research on general relativity!
- Chasing a beam of light
- Thermodynamics and Relativity: observing gases, rel. effects
- de broglie and light
- Theories of gravity
- manifolds
- Maths and high speed
- Speed of Light vs Light Years
- Constraints on metric coefficients in General Relativity (GR)
- Total energy/mass in stationary GR
- Where is the mistake?
- GPS clocks
- Relativity and Electromagnetism
- If such an object does exists...
- Wormholes, parallel universes, negative mass
- relativity software package
- Speed of Light and the Causality Problem
- On the Notations of Length Contraction and Time Dilation
- Magnets (and other things) at the speed of light
- Question about going faster than speed of light
- relativistic mechanical index of refraction
- relativistic effects
- Light in other medium
- relativistic rockets
- Energy of light
- Relativity Help
- Relativity Express
- Information traveling faster than light?
- How much research is left to do in the differential geometry/topology aspect of GR?
- Light Question
- E=mc2 without SR
- christoffell symbols
- Twin Paradox Simplified
- photon questions
- Lorentz invariance..
- Any good suggestions on SR/GR
- Near light angular momentum
- General newbie questions regarding the speed of light
- Koide and Kodama on relativistic brownian motion
- Twin Paradox
- Gravity: real force or artefact of acceleration?
- Frame dragging effects on speed of light
- Dude, where's my anti-graviton?
- Polchinski's paradox
- Shapiro time delay?
- c independent of observer and emitter
- Gravity For The Masses website
- Center of the Universe
- Rest mass
- How would you observe outside events on a spacecraft?
- Lorentz boost for electron
- Schwarzchild solution and orbit precession
- About the Non-paradoxicality of the Twin Paradox
- energy, heat, and relativity
- Thought Experiment on ToR postulate-1
- information theory+relativity
- High Energy Gamma Rays Go Slower Than the Speed of Light?
- SR postulates
- Inertial System
- Special Relativity GRE Question
- Standing waves in GR
- Gravity and Photon
- Special relativity - observing spinning objects
- How to get inverse Lorentz tranformation from "direct" Lorentz transformation
- Everything has a reason
- Invariant Spacetime Interval
- a question
- Relativistic De Broglie Relation
- Derivation of Lorentz Transformation
- simple lorentz trans. question
- Special Relativity & Light
- Relativistic orbiting
- Electric field and gravitational field
- Why doesn't DEceleration add mass as well?
- Help with a thought experiment.
- Speed of light - can it be exceeded?
- silly question about special relativity
- Relative Twin Tango
- reference frames for photon collisions
- The classical aether vs. the modern vacuum
- Is there something special about standing on a planet?
- relativistic centripetal force
- another qn about light
- changing of one of the previous topics
- What kind of a bomb? answer:the exploding kind.
- Confused by time dilation!!
- the runner on the train paradox.
- Group velocity and speed of information
- Special relativity & length contraction
- Raindrops and Gravity
- Tensors: Lorentz vs Galilean invariance
- A trivial question
- Electric / magnetic field transformations
- gravity with a mass current
- Inertial dependence upon local matter
- Why can't a photon exceed the speed of light?
- Distance to Light
- experimental proofs of increaseof mass with v
- Center of inertia?
- Michelson- Morley's experiment
- the best theory ever
- The Origins of the Universe?
- Event horizon of a Black Hole
- robertson-walker metric
- How Do We Know Gravity Is A Force?
- need a little help please
- Dr. Robert Forward's curvature gradient detector
- Clocks in gravitational field
- Can someone give me a good plausible answer
- Thought Experiment - Measuring speed of light
- Approximation of the FE feat. "loose notation"
- Phantastic Photons
- Speeding up time?
- speed of light
- How to measure the lack of external force during free fall?
- Infinite Acceleration
- Does the shape of the curve, that is produced in space by a mass, have a name ?
- Twin Paradox
- speed of photons inside a very powerful gravitational wave
- simple question about the lorentz transformation
- how relative is inertia ?
- Question on Relativity.
- Dark Energy as a Gravitational Field?
- What is speed?
- How much does the universe weigh?
- Time gap between explosions in moving frame of reference
- please tell me why i'm wrong...
- Does the sum of the mass of two bodies vary with the distance between them ?
- Universe expansion
- Frequency and C
- when sun is gone, gravity of light, which one faster?
- Gradients in the curvature of space-time
- Gravity ficticuous force because it's relative to mass?
- speed of wave
- Causal paradoxes - how to solve them?
- who brought up the idea of a black hole at planck length?
- Photon acceleration
- What do you make of this?
- On the way to showing that LT is linear
- Superconductors and Gravitomagnetism
- Special Relativity
- Space time curvature
- S.R Question.
- Variations, Euler-Lagrange, and Stokes
- what is the gauge group of general relativity?
- lorentz transformation
- Simple Lorentz transformation. Are there objections
- Time dilation
- Spacetime -- it warps, it curves, but can't expand??
- Verification of the Lorentz contraction of the space
- Relavistic Length
- Direction of Gravitomagnetism
- Is the speed of light constant?
- Hyperelasticity and the relativistic Lagrangian of a 1-dimensional rod
- photons and gravity
- Time-like curves
- wormhole and relative motion
- Symmetry in Travel and Time Dilation
- local coordinates, physical coordinates
- Time Dilation and Aging?
- direct and inverse Lorentz transformation
- EFE simulation
- Hooke's law and SR
- Modified Twin Paradox. (Experts required).
- help: Lorentz transformations with and without thought experiments
- general relativity vs quantum field theory
- General formula for space-time distortion?
- stress energy tensor
- Just from personal study, is this possible?
- Time and Time again.
- Midframe Lemma?
- Yet another spaceship thought experiment
- curved space-time observed and confirmed
- Understanding Special Relativity
- Magnetic field, frames of reference ...
- Surely k-calculus kT is 'mixing units'
- Time dilation on accelerated reference frames
- Speed of Light and Black holes
- confused about gravitaional time dilation math
- 3d simulation of special relativity
- Light faster than light?
- Another question on time dilation
- electromagnetism with unsteady boundaries
- heres a question plz see if anyone could help me with this
- Help! Historical evolution of understanding of SR
- SR predictions on an recent microwave experiement
- invariance of c and clock synchronization
- Poincare transform
- GRAVITY can BIND LIGHT?
- accelerated frames in SR
- Derivation Of Lorentz Transformation by Lawden
- moment of inertia corrected with relativity
- Time dilation and the mind.
- Time Travel Machine Outlined
- Penrose Lecture
- do tachyons exist!!
- is light speed fixed?
- four momentum of a field
- Researchers create gravity in lab experiment
- Looking for something interesting..
- Scientists claims light speed barrier broken
- A short relativistic story but what is its moral?
- pertinence of relativity of simultaneity
- spacetime interval of zero
- Faster than the speed of light??
- Constant Velocity
- Noobish question on time dilation!
- Lorentz's Derivation
- Addition of velocities: What actually happens?
- Relativity Visualized
- The Inertia of Stress
- Time dilation???
- standard derivation??
- relative speed of tachyons greater than c?
- time dilation
- Lorentz Transformation
- spacelike travel?
- GR as a Gauge theory ??
- time like space like
- Speed of light relative to universe expansion?
- Photon beyond light speed?(?tachyon?)
- clock readings lorentz transformation
- rotating rod
- Wormholes: Are they practical?
- reducing the time invested in teaching SR
- throwing a string into a blackhole
- Is expansion of space relative?
- Light under light gravitational force
- Is energy conserved in an expanding universe?
- Coordinate speed of light vs. gravitational time dilation?
- Rotating Disk
- Need a little help on special relativity.
- energy-momentum density of point particle
- lorentz transformation
- Does motion break existing symmetries?
- electromagnetic wave propagation
- accelerating frame in special relativity
- Considering Relative Simultaneity - Relying on clocks instead of observers
- Empty space is something?
- Basic problem
- transformation of three-force
- time & space
- Magnetism
- Are gravitational "fields" additive?
- Non-rest mass, is it real?
- Evidence of Equivalence?
- How Far Can Gravity Reach?
- clock synchronization problem
- Special Frames and Sci-Fi
- Swartzchild metric and free fall
- Pythorean Theorem and General Relativity
- accelerated frames
- are causes relative?
- spacetime diagrams.
- is time in essence - constant?
- length contraction from two inertial frames
- Dark Energy Interation With Gravity?
- Can we travel faster than the speed of light?
- How can "empty space" expand? (Reality behind the GR equations.)
- Relativity Theory: What is needed?
- SR from GR
- two body problem in Gr
- Angle independence of Michelson-Morley type experiments
- special relativity puzzle
- Velocity...
- Does black hole's gravity really travel out of it's own Event Horizon?
- buchdal's theorem
- transformation of epsilon and miu
- How does one construct the action which gives the equation of motion?
- The GPS paradox
- conflict between electrodynamics and classical relativity?
- Relative speed of a photon - mk2
- Length (and Mass) vs. Time Dilation
- Does a gravitational field have mass?
- anomalous refractive index? How doesnt this defie relativity
- Please save me from my idiocy
- No such thing as a stupid question, just stupid..
- Nothing can travel faster than light
- Einstein Group
- relativistic thermodynamics problem
- nature of time
- Moving throuh Spacetime
- when is a derivation of the Lorentz transformation "good"
- NYT article about the speed of shadow > c
- Can Fermat's principle be applied to gravitational lensing?
- laws of physics
- Matter tensor
- gravitational polarity, called antigravity
- GR Approximation for PSR 1913+16
- Time as a dimension
- What's the G-forces in a black hole event horizon?
- detonator paradox
- Same old twin paradox
- Can't be a 'preferred' frame.
- Synchrotron Radiation
- does light have its own gravity field?
- The Ball is There!
- Lorentz Transformations
- doppler effect / expanding universe . trouble uniting both concepts???
- associated photon
- Why objects with different mass fall with same velocity??
- how can a black hole be created, any model
- speed of shadows
- Approaching a Black Hole
- Bulb problem
- Why black holes can have static electric fields???
- Correct My Misunderstanding of Special Relativity
- Mass and Velocity
- Stress-Energy
- einstein was wrong?
- *pervect - Local Lorentz Frame
- non-linear transformations for dummies
- electromagnetic wave in media
- SL(2,C) etc
- Q? - Relativistic Mass
- particles collisions at speeds greater than c :surprised
- Thought Question
- experimental verification
- GR explanation of Newtonian Phenomena
- I have a question...
- About the so-call "two errors (mistakes)" in Misner-Thorne-Wheeler
- stress-energy tensor and pressure
- No width contraction in Michelson Morley Experiment, why?
- photon gas and relativity
- How did Maxwell build his theory
- Roy Kerr on the Kerr vacuum
- Speed of light
- My SR Document
- invariant and covariant in special relativity
- Relativity in simple
- a quick question of light
- Aging related to speed of the Earth
- Constant Acceleration
- Black holes and entropy: energy with respect to infinity
- The Claim: "Gravitation is acceleration."
- Basics: Speed
- energy momentum tensor for entangled system
- I am attempting a condition where Newton and Einstein agree
- why c=1 in relativistic equations
- Was Einstein wrong?
- Why Light?
- time dilation in plain english
- gr-qc/921001 - the constraint algebra of general relativity
- Orbital Mechanics
- I have devised away to travel Faster Than Light
- Einstein-Strauss solution with one or two bubbles
- Curvature inside a cavity
- Theory of Everything
- Speed of light while chasing after it
- Black hole Vs Light
- schwarzchild solution with cosmological constant
- Apparent superluminal velocity of galaxies
- Physical Intuition
- Question about deflection of light test
- Do light and gravity take identical geodesics?
- trying to wrap my pea sized brain around the universe.
- Energy-mom tensor does not determine curvature tensor uniquely ???
- Questions about GR
- Questions about motion equations
- Can space-time curvature be applied to artificial satellites.
- SR Confusion!
- Static black holes defy theory
- Length of time
- Light shone in a train bouncing off mirrors
- Time does not run slower or faster
- Smolin's in depth perspective on Einstein, man and mind (NYRB)
- Fundamental identity of SR valid in GR?
- Simple Kaluza Klein question
- From the scalar of curvature (Newman-Penrose formalism) to the Ricci scalar
- time dilation without acceleration
- Proof of mass dilation
- time dilation... thx!
- General Relativity for Dummies
- Light mass?
- Complex four vector algebra in relativity
- Please help me understand SR
- what's wrong with this?
- New to Relativity Theory.
- Sign of Metric
- time dilation
- Nothing can exceed the speed of light
- mass of a system of two photons
- time travel
- Renormalized energy momentum tensor in Milne spacetime
- time dilation
- Cauchy surface
- What is the Theory of Elasticity?
- Very simple relativity questions
- Acceleration of a point mass
- flow of time
- How to survive in a black hole: Myth Debunked
- Canadian PM a Geodesic Deviant?
- Speed of light in the universe, experimental data
- Confused in basic SR
- Geodesic
- gr vs. newtonian orbits
- Lorentz-Fitzgerald Contraction or Time Dilation?
- Observing backwards time?
- Lightspeed not constant?
- Light reaction
- Non-relativistic derivation of Schwarzschild's equation
- Calculating distance between two points in potential
- Light, Elevators and Gravity
- Quick beginer question
- Need mental picture
- parametric equations for geodesics
- Galileo
- Question on advance of perihelion.
- Physics Articles - sr, gr etc
- particle production in curved spacetime
- time as a function of distance for constant a
- Static vs Stationary?
- f=ma in relativistic terms
- Blackholes
- question about the weak field approximation
- About interpretations and logic...
- Professionally researched relativistic orbits
- what do they do in numerical GR ?
- any films about relativity?
- Light Speed Relativity
- Hi, can't find the way to debunk this...
- Snell's Law
- What's the ratio?
- Connection of General relativity and geometric Refraction of light
- Geodesics between two points ?
- question about the energy momentum tensor
- Vacuum solutions
- Looking out the window of a fast ship
- A question about a relativity light clock
- How is 3-space curved without a fourth spatial dimension?
- Frame fields vs. Coordinate bases
- Liftetime of photons in matter
- Ticking clocks
- Some short questions about mathematics
- Rotating black holes
- Which direction did they measure a meter?
- Train question.
- Lorentz Factor - Help!
- Relationship between E=mc^2 and gravity
- General Relativity vs Newtonian Mechanics
- Stress-energy tensor of a wire under stress
- What is it about speed that affects time?
- Time in GR
- Hawking-Penrose 1994 Debate
- einstein hilbert action
- Relativity of Acceleration
- What is one full orbit
- Time Dilation
- Question About Speed of Light and Energy
- Death by black hole
- Does gravitational waves participate in gravitation interaction??
- practical meaning of simultaneity calculations?
- Gravitomagnetism and acceleration
- Photoelectric effect and SR
- Some simple minded aspects of gravity
- temperature and speed of clocks
- Original motivations for GR??
- velocity transformation
- Photon wavelength in expanding universe
- The moon
- Observing an astronaut falling into a black hole
- General covariance
- Gps
- SR, GR and Twin Paradox
- Behaviour of light
- Spacetime, the Universe, the Present and the Future
- Relativistic invariance
- The Whittaker metric
- clock synchronization problem
- tensor pertubration: Hello to everyone
- A question about general relativity ?
- Why is the speed of light?
- A question about time dialation
- Parts of a photon
- time for light
- Effect of gravitational potential on energy
- "Independent Continuum"
- What is the first result on Gravity Probe B?
- Time and Gravity
- twin paradox again (yes again)
- relativistic limit?
- Photons
- time and the 4th dimension
- confused about SR
- Prediction on Gravity Probe B Data
- Question on Relativistic Doppler Shift
- metric of supermassive black holes
- Does a magnet slow time?
- schwarzschild black hole/kruskal extension
- Delta T > To???
- antisymmetrized tensor product
- Proof of Universe Expansion
- How fast is gravity?
- Is General Relativity a Gauge Theory?
- Einstein Thought Experiment
- Abraham Zelmanov's Chronometric Invariants
- PDEs in SR?
- Time Dilation
- Some Inertial Frames may br more Equivalnet than Others
- Two body problem
- If I swing my arm, it can emit gravitational waves??
- Increasing speed
- Electric Current in Special Relativity
- The Nature of Time?
- Tensor field visualizations of numerical simulations of GR
- Twin Paradox Theory
- I Need the explaination of "The image of formation of black hole"
- Proving invariance of scalar product
- a few questions from introduction to sr by rindler.
- kinetic energy transformation
- detonator paradox
- D'Alembertian question again (sorry)
- Confused by D'alembertian operator in EM
- Questions about the speed of light.
- twin #1 is calling twin #2 in mid flight on instant-stellar phone
- Torsion tensor: Geometric interpretation
- Question about Mass(special relativity)
- Implications of geodesiacs(philosophical)
- Metric versus Tetrad formulation of relativity
- Sites
- History question on aether
- Black hole entropy as a Noether Charge
- Double Special Relativity (DSR) fake or real??
- Speed of a photon relative to another photon
- Relativistic Kinetic Energy
- Relativity
- E=mc2 Energy converts to matter
- is the first postulate neccessary?
- Energy as Dimension
- Doppler shift formula and the assumptions behind it
- A question about constant acceleration close to the speed of light
- geodesic deviation
- Stress-Energy
- inertial frame
- Is this the fabric of the universe?
- The physical nature of spacetime
- Time dilation-- V relative to what?
- Gravity probe-B
- Linear algebra and tensors in GR
- Curious
- Relative time question?
- Gravitational radiation reaction
- invariance of uxw (velocityxphase velocity)
- Visser: Lorentzian wormholes. From Einstein to Hawking 1996
- Concepts for Granted
- Gravity Wave Detectors
- Einstein-Cartan Theory
- meaning of the torsion tensor
- Principle of Relativity violation
- Space without time?
- Simultaneity, contraction and interval.
- What's exactly simultaneity?
- Twin Paradox
- Relative No-emission Propulsion
- "Whether a person will die or not" is relative
- Location of new mass when added to grav system
- Relativity Question
- If a "charged particle" is free falling in the gravitational field----------
- Stupid Question [photons, mass, & gravity]
- probably dumb question. problem understanding formula
- A question about a thought experiment in space
- Points of energy
- Understanding simultaneity
- Gravitational field has mass???
- relative weight
- Quick question on notation.
- Questions about kinetic energy and gravitation
- About Curvature
- Time elapsed for watch with crystal normal or parallel to g
- Theory of Relativity
- Experiencing time faster rathe than slower
- Lorentz-Transformation and time
- Dumb Question
- Simple question on curvature
- Simple Question
- Mass Question
- photons in the stationary wave?
- Near light velocity.
- Solar wind and gravity forces.
- Twin Paradox in S^3.
- A theoretical Q about gravity
- stupid question about page 70 in a first course in GR
- Question on Penrose diagram for Schwazschild metric
- math light bending by gravity
- Absolute reference frame
- c+V and c-V
- Is there a maximum doppler shift?
- 'one form' vector??
- energy-momentum conservation equation
- Physical Interactions over Great Distances...
- lorentz transformation and lorentz-einstein transformations
- reference frame of light
- Connection between Scalar fields and Field Thoeries
- Rod travelling at near c
- The Lorentz Transformations and vector components
- killing vector in kruskal coordinates
- Equivalence principle & nonlinearity
- killing's equation from infinitesimal transformation
- Is space infinitely divisible?
- Einstein Hilbert Action
- a possible question concerning the photon
- Spacetime and problem of 4th dimesion.
- Relative velocity problem
- Time Dilation Troubles in SR
- Moving Pendulum
- Space time curve
- Matter = E ?
- temperature of space-time?
- Light exists outside of time?
- Metric sign
- relativistic addition of velocities without lorentz transformations
- Warped space
- three symbols i can never understand in relativity tesbooks
- Gravito-Electro-Magnetism problem
- principle of extremal aging
- riding on a beam of light - time and space
- space time question
- Have absolute gravitational singularities ever formed?
- Question
- Carlip's explanation of lack of gravitational aberration
- What is this???
- Square Root in Special Relativity
- Special and general relativity resources
- photon dynamic mass
- Redshift/blueshift and time dilation
- Nice video clip explaining Relativity for beginners
- What is Special Relativity based upon?
- Trouble with g in GRT
- Massless particles and C
- Double gravitational potential energy paradox
- surprising consequences in SR
- a simple observation regarding the equivalence of acceleration and gravity
- why c in a vacuum?
- Problem understanding relativistic momentum
- radar echo and clock synchronization
- Acceleration
- Force in Special Relativity
- Invariance of the interval
- Velocity
- General Relativity is mainly public funded ...
- Photons traveling in space
- Is a "uniform gravitational field" a gravitational field?
- Maybe im onto something or i dont have a clue what im on ablout
- Photon dimensions
- some relativity questions for coleagues
- Quiz: mass of photons, E=mc²
- Mass transported at speed of light
- Gravity and fishing line.
- Lorentz group, Poincaré group and conformal group
- relativistic elasticity
- Time measurement
- is clock synchronization compulsory
- Derivation of the Equation for Relativistic Momentum
- proper time
- Connections and Curvature
- Can someone help me with this??
- "Proper" accelerations and rigid bodies.
- Transformation equations presented in a different way
- "acceleration is not in direction of force"
- non geodisic motion
- Against E=mc^2
- A very interesting post by Lubos Mott
- Maxwellian puzzle or paradox?
- photon dimensions
- 'Gravitoelectromagnetometrics' software
- Simultaneity
- Light has Gravity?
- Electromantics phenomena
- Singularities
- photon momentum and energy
- Index notation vs Dirac notation
- Time dilation
- Electric Field, Mass, Length
- On plane of simultaneity
- Looking for knowledge.
- Mass of Light (photons) at C
- Does the expansion of spacetime affect gravitationally bound object?
- Link btw manifolds and space-time
- A complete course in relativity.
- Why is the Wikipedia article about Bell's spaceship "paradox" disputed at all?
- Efe Pde
- Frames of Reference Question
- someone help me with this
- E=mc^2 and Special Relativity
- From 'the fabric of the cosmos'
- Killing vectors on a 3D Euclidean space
- Classical fields problem
- Relativistic non-instantaneous action-at-a-distance interactions
- Time Dilation - Angular Momentum - Mass
- Question??
- Derivation of the Equation for Relativistic Mass
- Metric expansion
- Gravitational Mass
- original papers on mercury's perihelion drift
- Transforations
- General Relativity
- Very special relativity?
- Length contraction
- some relaxation
- Interpreting the Einstein stress-energy tensor T_ab
- Learning Lorentz group
- Non-Einstenian Special Relativity.
- Lorentz Transformations and their Inverse
- Formalont-Kopeiken experiment
- Question on infinite curvature of the universe
- Help me understand E=mc^2
- Principle of Least Action
- Planck size and Heisenberg and relativity
- Mainstream treatment for relativistic Doppler effect under accelerated motion?
- Why cant "forces" travel faster than light speed?
- Exploring Black Holes: Introduction to General Relativity
- energy and time
- Linearity of the Loentz transformations
- A person travelling through a geodesic.
- Time dialation at Earth's center
- Can a field disturb the geometry of a space?
- Newbie question about time dilation
- Sound faster than light?
- EP = WEP + (continuity requirements) ?
- What does a light particle see?
- software for celestial mechanics
- Are some vacuums more "slippery" than others?
- objects near the speed of light
- Can quadropoles slow down gravitational radiation?
- Is the schwarzchild radius a radius of curvature?
- Is Lorentz group correct?
- Formal definition of the Equivalence Principle(s)
- The Twin Paradox
- Black Holes and Photons
- Space-time
- Is there some redundance?
- What wrong with Lorent transformation here?
- Should a General Relativitist Study Math Proofs?
- Conservation of energy-mass
- superluminal velocity
- Proper frame of reference and the formation of black holes
- consensus about Van Flandern's ideas on speed of gravity?
- E=mc^2
- Where's the Catch?
- Radio wavelength
- GR without Geommetry or coordinates.
- Derivation of the Relativistic Doppler Effect
- Time dilation and expansion in accelerated motion
- twin and ladder paradoxes help.. really bugging me
- Photon
- VSL theory...
- Isn't time dilation relative?
- How did this get published?
- An extended look at light in SR
- A bit introduction to foliation in GR and some question.
- relativistic dynamics as a semantic problem
- Down the rabbit hole
- Fast object moving along a table
- Consistent with special relativity?
- Interesting presentation on the current status od SR testing
- Energy requirements for a relativity "launcher"
- ageless photon. do photons travel through time?
- Speed of light
- Light and Gravity
- Does space and matter co-exist?
- time a fourth dimension? is a boost a rotation?
- physics laws and expansion of universe?
- Mass?
- relativistic dynamics without conservation laws
- relativistic terminology
- Light as a Relativistic invariant
- Gravitational time dilation
- Lie vs. covariant derivative
- Null vector help!
- Age of the universe
- Distance
- proper time or proper time interval
- Gaussian Normal Coordinates
- Gravity Confuses Me
- Curvature of Time?
- Thought experiment in relativity of simultaneity
- Tests of equivalence principle based on fluid mechanics
- Are "two line derivations" harmful in teaching special relativity
- E=mc^2
- Does a Gravitational Field Contribute to itself
- Refined Thought Experiment
- A thought experiment
- a problem concerning the Lorentz transformations
- Kennedy & Thorndike
- The Penny Wheeel Diagram Confusion
- Length Contraction, Time Dilation and The Principle of Relativity
- Expressing second and its derivatives in terms of seven SI base units
- galactic gravitational field
- Light Clock Experiment Flawed?
- a mechanical system in special relativity
- Problems with light speed?
- Changing Mass
- The Speed of Light and Beyond
- What does time dilation look like?
- anomalous acceleration of Pioneer 10 and 11
- 2 body problem in GR
- Speed of Gravity
- Asymmetric Schwarzschild solution
- Does velocity "dammage" e=mc^2??
- Derivation of the Lorentz Transformations
- Any research left to do in Special Relativity?
- "Hidden variable" in SR and GR Relativity??..
- Spinning disk and the speed of light
- with the Lorentz-Einstein transformations in hands
- whats the bottom line?
- Gravitational lenses and objects in front of them
- Sources of GW's
- How is spacetime curved?
- Distance in accelerated frames
- Speed of light, Mass, And black Holes
- exceeding the speed of light
- How many solutions?
- Causal influence of mass
- Black Holes, Quantum Gravity and the Curvature of spacetime
- Falling into a Black Hole
- covariant vs. contravariant
- Two watches, one thrown in the air.
- Schwarzchild mass
- Please Help....Synchronized Clocks
- A simple question on relativity
- calcing time-dilated trip
- Where does quantum gravity starts ?
- twin problem
- Time relative to size?
- Gravity/Orbit Question
- A simple question on light ...
- Black holes and time speeding up.
- What is the theory of relativity?
- GR against Newton
- Massless particles and C
- Hard questions
- Black Hole Evaporation
- Anisotropic speed of light??
- light speed limit
- Can space-time homogeneity put limits...
- Stocks'theory
- Time Travel using the gravitational field of a circulating light beam
- everyday applications of relativity
- Time Dilation. I don't get it!
- gravitational lensing
- Time dilation within the neighbourhood
- Lorentz-Einstein transformation
- dp/dt in the relativistic domain
- Mass is 'other' in GR?
- Heisenberg's uncertainty relation not invariant ?
- Equivalence principle
- Co-ordinate vs. true acceleration
- Light speed and time.
- What causes time to progress?
- An illustration of a limitation of Wikipedia's utility
- Light, Mass and Black Holes.
- black holes vs time dilation
- Lorentz Transforms Rule
- Deriving the Lorentz Force
- Transformation to a local inertial Frame
- Specific Orbital Energy at Black holes
- Got wrong from right equations
- light rod (acoustic rod?) what is that?
- Problem with understanding of relative motion.
- Einstein-Yang-Mills
- how does GR not allow for antigravity?
- Symetry, time dilation, twin paradox and all that stuff
- Author of mathpages.com?
- Special Relativity
- Black hole interiors?
- Static spherically symmetric perfect fluid solutions
- Counting solutions to the EFE?
- F=gm1m2/r^2
- Block Universe / Godel's Paradox / Free Will
- Thermodynamics and relativity
- synchronized clocks in special relativity
- Aboslute time in GR??
- length contraction and wave length transformation
- Highly symmetric spacetimes
- Phase space for GR
- Foliations of spacetime
- Minkowski space: basics
- electric and magnetic fields
- Time travel,a phenomenon?
- Perhaps gravity is not space-time curvative, and spacetime is nondynamical
- MTW wrong ?
- Gravitational length contraction
- Understanding this equation..
- additiion of relativistic velocities. what do we need to derive it
- A question about Snyder calculation of imploding stars(1939)
- Gravitation waves from two objects
- AdS and black hole
- Question about clocks
- Localization by the doppler effect
- Schwarzschild Radii and Relativistic Mass
- Rotating collapse
- What does remain constant in relativity?
- Energy of gravitational waves
- Rotating black hole interiors take 2
- moderator, help, how to delete my own posts
- E=mc^2 Confusion
- Change of speed of light in a gravitational field
- Mass in Relativity
- How much is the Schwarzschild geometry a characteristic feature of GR
- A hint of unification?
- Mechanical experiments testing special relativity?
- relationships among metric structure, metric tensor, special and general relativity
- Is the relativity of simultaneity relative???
- By the way, in GR, where does the need for curvature come from ?
- time dilation in space travel
- Four-vector physics
- What's inside a black hole?
- time dilation and Lorentz-Einstein transformations
- Gravitomagnetism !
- A few simple questions
- Relativistic Action
- Classic and Relativity Kinetic Energy
- why should the covariant derivative of the metric tensor be 0 ?
- Falling into a black hole
- Does E exactly equal mc^2?
- perihelion drift in SR and in GR
- Simultaneity in Special Relativity
- New Member question about Tensors
- Are horizons fingerprints of General Relativity ? and more questions ...
- does c-u mean that c composes with u?
- How do you name
- length contraction
- Defining GR with Poisson Bracket..
- How to use Einsteins Field Equations ?
- Reverse time dilation possible?
- Speed of light
- how can I show that G=8pT implies the equivalence principle ?
- more black-hole questions
- What's gamma for?
- Proving the Eisntein equations imply the equivalence principle
- A black hole thought experiment
- Hubble's law (again)
- Does E = mc^2?
- Invariance of charge
- two body problem in GR
- The Unruh effect and light beams
- How much is Special Relativity a needed foundation of General Relativity
- GR vs. Newton's calculation
- Is Time Speeding Up?
- temporal distortion along train DURING Acceleration
- Topology of spacetime
- Faster than the speed of light.
- A submarine problem
- Why was Lorentz transformation known before Einstein explained clock synchronisation
- Gravitational energy : positive or negative ?
- Temporal distortion of a moving train
- Are there other phenomena (besides light) whose speed is invariant?
- How should we convey curved space-time?
- Newton's Gravity corrected and Pioneer 10 anomaly
- Precession of the perihelion - Schwarzschild metric
- Why did Einstein use light to define simultaneity?
- Length and black holes
- The Massless Photon
- MMX in Accelerating frame
- lightbulb paradox
- Successive boosts
- beaming effect?
- Photons in GR
- space, c and time question.
- Horizon within horizon
- Photon orbits
- What is conserved in GR?
- On E=mc2
- Black hole questions
- axes of a space-time diagram
- Schwarzschild radius
- Do time and space exist within the universe?
- Universal Gravitation
- Schwarzschild metric, cosmological constant
- trying to understand relativity of lengths and times
- question concerning the relativity of length
- Question on Einstein's Equation
- pair production and another body?
- was the Schwarzschild geometry acceptable
- Explain spacetime geometry
- Trouble mixing SR and Quantum
- A question
- Negative Mass and its Implications
- Proper time for an object falling into a black hole
- Results of SR
- figuring out the units for the cosmological constant
- "Light cones tipping over"
- 1 s
- entertaining thought
- E = mc2 is not really true in all cases??
- Mass gained Infinitely??
- "Le Sage" Gravity - some questions
- hi every one
- stress-energy tensor of a perfect fluid
- Two people in a fast ship
- Time Travel
- Freezing light contradicts Einstein?
- Inertial Reference Frames- circular?
- Hawkin's paradox
- Why does the Lorentz transformations form a group?
- Photon's mass and frequency
- difference between spatially homogeneous and isotropic?
- weight vs time
- important note concerning relativity of time
- Empty space ?
- a moving clock lags behind a stationary clock
- plane Schwarzschild geometry
- tracing black holes back
- Does the Twin Die?
- Lorentz Transformation
- Einstein's original paper question
- Why doesn't mass add?
- stress-energy tensor in curved spacetime
- E = h*nu from Relativity
- Relativity, LET and Reality
- Born Rigid Motion - references
- Minkowski Terminology
- Black Holes and the Event Horizon?
- A Photons 2D universe?
- curvature without a mass ?
- "anti" black hole
- inertial mass, invariant mass and the photon?
- Gyroscopic action on earth surface
- Isolated horizons
- SR transforms of matter/light interactions
- Relativity and GPS
- heated discussion about a flaw ...
- Einstein's theory of relativity?
- Do Photons Have Mass?
- How exactly are QM & GR incompatible?
- Solutions of the nonlinear Field Equations
- Are the transforms instantaneous?
- High velocity travel.
- nail and cylinder problem in SR
- Curvature of Spacetime
- How Relativity Connects Electric and Magnetic Fields
- Special Relativty and Inertial Reference Frames...
- Is SR "real"?
- Correct formula for gravitational redshift
- What is the ACTION?
- Relative Velocity II
- Relativity VS Absolutism?
- Stress-energy tensor as a 2-form
- Time dilation and basic math
- a question regarding a specific interval of time and GR
- Infinite Curvature
- 4-velocity --> 4-acceleration?
- Photons and potential energy wells.
- Why is 4-momentum usually given as a covector?
- The true nature of length contraction
- Light-speed is infinite, in a certain way?
- e=mc^2
- mutual effects of gravity and velocity on time
- already confused with GR
- Question regarding acceleration in spacetime
- Poisson brackets in general relativity
- Photon curvature
- Gravity-Space Curving?
- Discussion, please
- A Relativity Problem
- Relativity And Light
- A relativity problem (train & platform)
- Assume I travel near c from a planet 5 light years away
- If a black hole had the mass of the entire universe, same mass as the big bang singul
- graviational wave
- Relativity and Quasars
- Correct derivation of magnetism from SR
- Mass energy question
- Charged particle in a magnetic field
- Simultaneous events in SR...?
- Paths of Objects in GR
- weak and strong equivalence principles
- Intrinsic Magnetic Moment?
- worldlines - no need for ref frames?
- EM fields and space time?
- Can gravity waves be focussed?
- "on the relativity of times"
- gravity v.electromagnetism
- FTL, from what I have heard.
- Light deflection at high speed
- physics definition
- Question About Time Dilation
- Why can we not see the future?
- definition of simultaneity
- Linear Momentum in GR
- Does Einstein's General Relativity need to be adjusted for the Higgs field?
- Question about light
- relativity of L, (t'A - tB), and (tB - tA)
- The speed of light in a vacuum?
- Relativity of Simultaneity
- Ricci and K (curvature)
- Interesting question
- By photon's POV, would light travel infinity in no time?
- Some strange questions about light
- What if objects go toward each other rather than away
- How does a black hole die?
- red shifting light
- Relativity Question (Twin Paradox)
- the principle of the constancy of the velocity of light
- At the speed of light
- why is there gravity?
- The speed of light and time dilation
- Black Holes-to-be, Frozen in Time?
- quantum vs relativity
- time dilation difficulties
- More results verifying GR
- spacelike intervals?
- making a black hole
- Does energy cause gravity?
- velocity vs distance
- Is this paper correct?
- twin paradox
- GR & SR for Dummies
- entanglement and special relativity : a paradox
- c constant
- basic question about relativity
- Expansion of the Universe
- Speed of Light/Relativity
- momentum of photon close the sun or black hole
- Infinite Mass, Infinite Energy
- Does Spin Affect Gravity at the Particle Level?
- basis for the postulate that all physics is the same for all inertial reference frame
- Yet another question that is supposed to turn SR on its head
- Massive particles in SR
- speed vector
- twins paradox confusion
- speed of light and light
- black holes and the big bang, how are they different?
- Painleve orbits in Cartesian Coordinates
- Time dilation question. . . .
- Relativity in Minkowski Space and Minkowski Diagram
- From SR to GR in an "easy" math (and physical) way
- Why must the Lorentz Transformations Be Linear?
- When moving fast, you're too busy to age
- Why were there so many geniuses ?
- should i take differential geometry?
- What's the meaning of?..
- Is the universe opalescent?
- a quick SR question
- GR and Gravitional Field
- Loedel Diagrams
- concerned on the relativity of lengths
- Basic Special Relativity
- General Relativity + Electrodynamics #2
- Black holes & expanding universe
- Whadda ya call it when ...?
- "Force" in General Relativity...
- gravitational waves everywhere ?
- General Relativity + Electrodynamics
- magnetism and radiation as a consequence of SR
- ruler envy
- speed test in SR
- simple relativity question
- is tensor algebra required
- since time slows down in a strong gravitational field, does time stop in a black hole
- GR Book
- Time dilation experiments with spacecraft
- Relativistic kinetic energy
- Kennedy Thorndike
- relativity of time
- SR and GR material
- Charge is Invariant
- Question about speed of light and black holes
- NUmerical GR:..
- General relativity and dark matter
- Galileo relativity
- The Future is written?
- Confused about time dilation
- christoffel symbol+covariant derivative+parallel transport
- What's gravity from the "Quantum" point of view..
- Equations of Motion...
- Relative Velocity
- No meaning to go backwards in time...
- 4-Space time rotations...
- Moving Charges and Relativity
- A name for this tensor...?
- gravitons & spacetime-curvature-geometry
- c
- Can C be relative?
- Relativity and Temperature
- Special Relativity Between Reality and Illusion
- =Special Theory Of Relativity=
- Metrics and forces
- length and time inside matter
- locality and non-locality in period measurement
- Rotating Disc & Speed of Light ???!
- Ehrenfest paradox (again?)
- Buoyancy in Microgravity
- doppler effect definition
- Weyl tensor on 3-dimensional manifold
- relativistic and not relativistic motions
- Question about speed of light and water
- Difference between mass (relativistic & non)
- Experimenting with the speed of gravity
- Time, mass and length
- Speed of light in a black hole
- Is the earth flat?
- The weak field approximation
- A question on SR
- Einbein
- constant speed of light in vaccum?
- What exactly is spacetime?
- orthochronous lorentz transf.
- Oddly-Shaped Event Horizons?
- Space-time contraction question
- Gravitational Time Dilation . . . Or not?
- Time in SR and relativistic mass
- Spinning objects in GR
- Is gravity a mystery?
- Einstein Hamiltonian...
- Experimental Proofs
- What does light travel in?
- Massive objects traveling near the speed of light
- Learning GR
- Difficulties with interstellar travel
- Speed of light in an inertial frame
- A frame dragging experiment in an accelerated reference frame
- Detecting Motion Paradox
- speed of light and relativity
- wormhole
- Warp Nacelles vs. Warp Bubble
- electric fields of black holes
- Of sailing and relativity and titillating patterns
- Clocks on earth
- Dilated Time: What were they smoking?
- 2 Questions..
- clock synchronization
- Schwarzschild Orbits in Cartesian coordinates
- Spacetime in Newtonian kinematics
- Two black holes falling head-on
- Violation of Causality.
- Question about relativity
- Real frame (strong issue)
- Black Holes
- Simple Special Relativity
- Spacetime to mass
- Cosmological Constant
- Mathmatics Needed
- the mass of a cube of matter
- gravitational waves and negative energy.
- guessing the experiment performed in I' by observers from I
- Interpretation of GR
- Charged Black Holes
- why is time relative?
- Time dilation . . . again!
- Painleve-Gullstrand coordinates
- Mass of a singularity
- correct Energy Mass equation
- Invariant Momentum
- Absolute Motion?
- Privileged frame
- Gravitons and Black Holes
- Quantum gravitational uncertainty
- same experiment performed in different inertial reference frames
- 2D Riemannian manifold visualization
- mass near the speed of light?
- A viewpoint.
- Is the vacuum stress energy tensor Lorentz invariant ?
- Simulation for Newton's gravity, GR to be added later.
- Does Newtonian gravity bend light?
- What if inertial mass did NOT = grav. mass?
- Subtle Distinction
- Question About Special Relativity
- Can SR fully explain magnetic force?
- Mass causes curvature?
- question on special relativity
- Not banal question on twins
- relative speeds of photons
- Spacetime and Gravity
- E=pc
- minkowski's 4 dimensional world
- the basic questions
- Stress-Energy tensor of a rotating disk
- Are you sure that objects which moves enought fast are not black holes?
- Age of the universe claims
- Length and time for a given metric
- General relativity and time dilation
- Common misconceptions of cosmological horizons and superluminal expansion
- Future Viewing
- measuring relativistic mass
- antigravity exist?
- relativistic balance
- Determinant g = g_{00} det |g_{ij}|
- mass-energy of a system?
- GR Background Independence: Indeterminate and Non-local?
- light clock and teaching of special relativity
- New Home for Crother's thread
- Speed Of Gravity?
- speed of light
- frame-dragging question
- Gravitational time dilation due to one's own mass
- Why aren't electrons considered "black holes"?
- Terrell-Penrose Effect
- Spacetime curvature
- Yet another SR question
- Velocity of Field Effects
- hollow spherical blackhole thought experiment
- gravity / equivalence principle
- Meco
- Is Mass Really Condensed Energy
- Rulers on a heated slab
- Red shift, blue shift, or stupidity?
- How would you prove that?
- time dilation
- Relativistic Thermodynamics
- Black holes and scientific fraud
- Self Gravitating General Solutions to GR
- More IR Frame confusion.
- relativity equation?
- A question about the rationale of SR?
- Avsolute Zero Velocity
- how to travel faster than light - why wont this work?
- Photo Doppler Problem
- Question about this equation
- Relative distance
- What causes gravity???
- energy and gravity
- Can I see warped spacetime?
- Relativistic Rocket Question
- einstein energy versus thermodynamic energy
- Does light travel at different speeds?
- World's Fastest DerivationS of the Lorentz Transformation?
- Light Cones in Black Holes
- Is time slowing down?
- proper physical quantity
- Light speed
- Speed of light and Relativity
- Eddington Finkelstein Coordinates + Black Holes
- time and space the same?
- Special Relativity Question
- Gravity And Straight Lines
- Gravity in the expanding universe.
- Light and Mass
- Advertising very bad sites on relativity
- Artificial Black Holes, again...
- Solving for spacetime
- Gravity - Integrating General Relativity with "Gravitons"
- SR Simultaneity Question
- Questions about Time Dilation
- Why don't all massive objects collide?
- Secientist to test the 4th dimison
- Time as a dimension
- Slow-motion approach..
- Another Twins Paradox question
- The interaction between two electriferous particles
- Gamma rays faster?
- younger at the equator?
- light speed
- The "hole argument" and diffeomorphism invariance
- Composition of Lorentz Transformations
- Thermodynamic - conservation of energy/mass problem, I can't figure it out
- Flowing time velocity
- Simultaneity
- the interactions
- Why Do You Travel Into The Future As You Approach The Speed Of Light?
- why Riemann tensor?...
- light
- Interesting....
- Theoretical experiment on relativity
- A question
- Questions about light
- Conceptualizing higher dimensions...
- What,s the "energy" of the gravitational field?..
- altered space
- Accelerating Observer
- photon and gravity
- Why is a wire with a current not charged?
- Backward traveling light.
- A to B, faster then c.
- Interaction Energy how does it transform between inertial frames?
- Basic metric diagonalization questions
- Attempting to Understand Alcubierre
- Faster than light
- Ellis on an "evolving block universe" (gr-qc/0605049)
- measuring relativistic energy
- What is the dimension of the spacetime interval?
- A falling object
- Penrose Diagram for Schwarzschild
- See-saw problem in special relativity
- Question on Spatial Curvature
- Measuring gravitational waves
- General Relativity
- Photon and electron racing show
- Hypothetical Question. Creating Gravity and power supplies
- Acceleration in Black Holes
- about black holes creation
- Just a question
- mass in relativity
- Light without mass
- What is the D'Alembert operator
- Gravitational radiation
- A quick question on the twin paradox (quick I promise!)
- Confused about General Theory
- relativistic momentum definition
- Time Travel...
- Hyperspheres...again?
- Curiosity
- Black holes and the "Big Bang"
- Can gravity refract?
- can SR be derived from other postulates than the constancy of c
- Orbiting black holes?
- curvature without tidal forces
- An apparent speed paradox
- Thermodynamic exercise in GR
- Tortoise Coordinate
- relativity-variation-fluid
- conservation laws and relativistic dynamics
- accelerated motion
- Census on terminology
- k and homogenity of time
- The Light barrier
- Charged black hole
- Quick question about light
- when the photon is born on the horizon.....bang?
- mass of a photon
- Tensor Equation
- Black hole orbital period
- mass
- If Time Is The Fourth Dimension
- Questions about time.
- The Twin Paradox
- Relativistic Lagrangian of a Free Particle
- Energy, momentum, & mass of a box of moving particles
- Is Time Travel Impossible?
- why can't we achieve c
- here's the way to go faster than light
- speed of light
- illusionary time
- What is the exact definition of mass?
- How to show something transforms as a covector?
- lightspeed:does the definition of time make it constant?
- bondi k calculus :why the k?
- Problem with killing vectors
- Do objects actually shrink?
- About the geometry of general relativity
- Man Running on a train
- Slowing time on a plane
- Question about Hawking radiation
- Anisotropy of the speed of light?
- photon speed
- Can objects"catch up" with their own photons?
- Time Travel?
- Why only for gravity?
- Two speed of light experiments at different altitudes
- Conclusion of the "consistency (!) of speed of light"
- Relativity in Ender's Game
- Final Theory Orbital Question
- "mass" of a sphere of light - how pressure causes gravity
- Photons
- why is light's speed the fastest speed?
- How can magnetic field be a relativistic phenomenon??
- LaTeX rendering in the S&GR forum...
- The speed of gravity?
- Mach's Principle
- Relative speeds reaching c??
- photon mass
- Palatini Formalism generalizes GR to include degenerate metric?
- who's going to age more?
- Some under-used tests of SR?
- derieving relativistic electrodynamics equations
- Black hole merger movie
- SR, illusion or reality
- Inertial Frames distinguished by proper times
- two quick questions
- How does a body escape its gravitational field?
- Proving Invariance of Spacetime Interval
- appearing faster than light?
- A Flaw of General Relativity?
- Electron in a gravitational field XIV
- New test for GR ?
- Gravitational Waves
- Kerr Metric
- weight of a hot body
- Perspective of Massless objects
- Geodesics in schwarzschild solution
- Expanding Space and Starlight
- What about this Final Theory thing??
- Relativity of time
- the curvature cause by gravity implies absolute space?
- Topology of de Sitter and black hole
- E=mc^2
- GR and the 3rd law
- specific heat and special relativity
- Can two galaxies receded from one another faster than C?
- Space expands faster than C?
- Can space travel fast than C?
- charge dilation?
- Time difference: light emitted vs observed
- Time and Space dilation and contraction
- Questions on Spacetime Curve/Gravity
- units?
- does this make any sense?
- Question about cause of curvature of spacetime
- possible origin of E=mcc?
- aetherists and the doppler effect
- Bending of Light around a Star
- Questions about the speed of light...
- gravity distortions
- Potential energy and GR, something doesn't add up
- Defining SR and GR?
- Theory of Relativity
- if SR were wrong
- Photon passing through a black hole?
- Rigorous derivation...
- Michelson Morley riff raff
- Circular twin paradox
- How to visualize E-MC2
- Timelike vectors
- teaching special relativity
- Detecting space time
- Lorentz- and Galileian-transformation
- if 2 spaceships travel at the speed of light
- Light's limitations
- clarification
- curvature on the earth??????????
- how can Einstein?
- space-time geometry
- Inside looking out
- Kinetic energy in SR.
- c+c=c
- Gravity & geodesics
- A case against Relativity
- Sample Chapters of "Gravitation and Inertia"
- relativistic dynamics
- Some questions on tensors
- Space travel again :)
- Why "C" in E=MC^2
- Re: time-space... Why the paradoxes of time? (CONFUSED)
- isotropic and anisotropic propagation of light
- is this possible
- The twin Paradox
- Stress-Energy Tensor
- Is the speed of light measurement dependent on local clocks?
- Space Time
- Magnetism & Relativity
- Infinity in Finite Proper Time
- There is no really good definition of mass?
- Traveling to Alpha Centauri
- Antigravity like soluctions of Einstein equations
- A messy unsolved problem
- How do Orbits behave as orbital velocities become significantly relatavistic
- red shift occurs when gravity is at 90*
- Co-accelerating spaceships (Bell's Spaceship Paradox), how does this occur in SR?
- The pace of time
- photons in the derivation of relativistic equations
- SubAtomic Particles --> Time Travel
- rotations in special relativity
- Is lambda a true force?
- Simple question about bend light
- Relativator
- A variation on the twin paradox
- How does time stop at C?
- Are there contradictions with Special relativity in the expansion of the Universe?
- Schwarzchild and Reissner-Nordstrom singularities
- not able to fully understand what im reading..
- Different speeds of light w/ Planck Units
- Speed of light
- momentum and penetration depth
- The LightCone in the "3D"
- Information Propogation
- if C cannot be achieved, then how can light achieve C?
- Faster than light communication and signals moving backwards in time
- space & "older"
- question on speed(of light that is)
- Don't get this....
- Why is space-time 3+1 dimensional?
- Pls explain
- First experimental verification of GR
- GR, SR and the Sagnac effect question
- Extreme redshifting
- Gravity/acceleration equivalent?
- Surpassing the speed of light.
- Concerns about ontological interpetations of Theory of Relativity
- Newtonian limit
- time dilation
- Is all curvature the same?
- Can a piece of matter be compressed to infinite density? Is there an atomic limit?
- light
- Faster than the speed of Light ?
- Relativistic velocity
- imaginary mass
- equivalence or equal?
- Komar mass simplificiation
- time relations
- Photon's Perspective of Time
- Relativistic apple
- "fields" and relativity - a broad question
- Vacuum with cosmological constant
- Does a wristwatch measure imaginary time?
- Albert Einstein's theory of special relativity.
- Time Travel
- relativistic momentum
- Experiment verifies E = mc^2
- Infinity Singularities
- Does general relativity predict expansion?
- Negative Energy and a SciFi ftl
- Ricci scalar
- increase in mass & decrease in volume?
- Which observer is correct?
- Relativity and The Big Bang.
- Relativity of cosmological curvature
- relativistic velocities of uncharged particles
- This is probably just a coincidence, but...
- Question about black holes
- time variation in the event horizon
- Bullet Paradox
- Length contraction
- The Foundations of Relativity II
- My Black Hole Theory
- Schwarzschild Metric with multiple masses
- The Reality of Relativity
- Distorted, structure (3D) vs warped, fabric (2D)
- The Triplet Paradox?
- speed of light
- What is a bifurcation surface and a binormal vector?
- relativity is broken!
- problem
- Relativity : the Special and General Theory
- Asking a simple question about twins paradox
- Neutroscopic methods in General Relativity
- The Twins Paradox in curved spacetime
- Holographic principle
- Time Dilation Question
- wormhole
- Teleportation-possible or not?
- Simultaneity Confusion
- 4D warping
- Back reaction
- Math vs Meaning
- Length contraction paradox?
- Rotations in Special Relativity
- Gravity-Time
- i have a question
- inertial frames
- What can an observer see during his travel into BH?
- Can red shift compare which clock go faster?
- Accuracy of Relativity
- Is it Possible For A Particle To Stay Completely Still in Space-Time?
- Why does mass increase?
- A feasible experiment that can decide!
- Is arithmetic still true in a gravitational field
- Paper - "On the concept of mass in relativity"
- Santa Claus at Nearly the Speed of Light
- Length under Acceleration
- Speed Trouble
- Venus during the day, a test of relativity?
- Length contraction
- Gravity Causing Gravity
- Possible method to escape a black hole?
- The Foundations of Relativity
- local lorentz
- Black Hole
- curved space/ spacetime
- Horizons question
- Einstein
- From Lights Point of Reference Is It Traveling Infinetly Fast?
- What's wrong with this thinking?
- Speed of light in media other than vacuum
- speed of light in different frames
- What is wrong with my thinking?
- Big Spinning Ball Question (Confused)
- Twin paradox? HA! I'm an only child.
- Photons at less than speed of light?
- Relativity - a new viewpoint!!
- 2 different cosmological constants
- Kaluza-Klein theory
- Did Einstein like the term "Relativity"?
- News: An ECHO of Black Holes
- What is the "ontology" of general relativity ?
- Coordinates
- Relativity????
- Lorentz contraction inverse trouble
- black hole question: apparent rate of growth as seen by external observers
- Einstein's space elevator and the twins paradox
- GR, time-like energy, and photon-path bending?
- Light Postulate Applicability
- Event Horizon
- Functional independence and energy
- Yet more Black Hole questions
- Black Hole Paradox
- E=mc^2 in gravitational fields
- Question about photons
- Time dilation and space contriction doubts
- Which one grows old?
- The Flow Of Time
- GR time dilation
- Basic concept in special relativity
- sun bending light
- Relative motion
- Jackiw-Teitelboim gravity in 2D
- General relativity question
- Tensors and GR
- day/night time dialation
- Contradictions in relativity?
- Help Understanding MME
- Relativty & thermodynamics
- High speed collisions
- gravity over a distance
- EM+GR equiv. 5D?
- Objections to Relativistic mass
- Question on Addition of Velocities
- Why is Relativity still a theory?
- Natural Warping
- Can a black hole form using only photons - in theory?
- Question about Energy
- Relativistic physics of space?
- Active Gravitational Mass in GR
- Maximum Gravity
- Speed of Light Exceeded
- How do we know Gravity Moves the Speed of Light?
- Special Relativity-Texts
- Gravity In 4D Physics?
- Time Dilation Questions
- e/m ratio?
- Length contraction & light
- more light questions
- GR aether
- Simple gravity puzzle
- Speed of light limit->delay
- taking the plunge
- Why of all things LIGHT?
- New paper ..
- How far back in time can we see?
- Einstein said: NO Absolute Rest
- Time is relative
- Lorentz Transformation
- Energy "Triangle"
- Speed of light again
- Mach's principle and variable speed of light.
- High speeds - becoming a black hole
- Light Fluctuations
- When the station comes to the train?
- Lorentz' "ether"
- Is mass dependent on the observer?
- A hand-waving question
- e = mc2..... behaviour of m?????
- is time in the universe constant?
- Twins paradox and ageing
- Relativistic Mass Density
- Wormholes and energy conservation
- Is "c" the fastest known velocity?
- Is reverse time dilation posssible?
- Age of Photons
- New Bee question on Gauss Coordinates systems
- Gravitomagnetism
- orbits
- Plank units
- Kinetic energy of an object
- Shortening of objects
- is momentum conserved in all inertial frames?
- Could any curved space be a cut in a higher-dimensional flat space ?
- get a metric
- Why do we judge time by light?
- 2 Metric tensor question~
- time dilation and infinite speed
- Black Hole Engine
- hyperbolic spacetime
- how does it work?
- Conservation of Energy?
- relativity potentials
- simultaneity
- Length Contraction
- Paralel universe and Warping of Space Questions
- Pushing a Pole?
- gravity probe B
- The light year long wall
- Constancy of Speed of light
- A paradox for you
- Gravity waves
- question concerning thermodynamics and special relativity
- Simplest question to articulate concepts in General Relativity
- Question about rotating frames
- Kinetic Time Energy
- EFEs in context
- Light and time
- Photon mass?
- 4D spacetime Light cone Twins paradox
- twice the speed of light?
- Black Hole Riddle 3
- Superluminal
- Schutz, page 246
- Muon Centrifuge question
- Light-experiment
- STR, one-way speed of light and conventionality
- From space time to gravity
- Speed of light?
- the fabric of space time
- Accelerating Gravity
- Origin of 4-momentum - Hisorical Ref.
- Blackhole's Effect on Time
- In the absence of light...
- Old Book Review - "Classical Charged Particles"
- Ze Optical Boom
- Schutz, page 115
- Simple questions on relativity
- Energy-momentum Four-vectors
- Acceleration in Special Relativity
- Coriolis Question
- blackhole mass
- Is this correct
- Characteristic Polynomial in Einsteins Equations
- Geometry and the Universe - A symposium on GR
- Schutz, page 226 again
- Simple Relativity Question
- Elementary Units
- Pirelli relativity award
- Another Speed Of Light Travel Scenario
- Question posed in a science magazine
- Why is the speed of light what it is?
- unification of space and matter
- faster than the speed of light
- Schutz, page 226 - Black hole formation
- Schutz, page 224
- Stephen Hawking and time travel
- Relativity...
- Overturning GR contest
- General Relativity and Quantum Cosmology
- Wave of Death
- pp waves - Null dust solutions...
- Gravity Probe-B Completes Mission
- pastpaper on GR
- Energy of a photon in different frames.
- 3 Sphere in GR
- Question on Weak Energy Condition
- Ricci Decomposition
- Bending Light= Gravity
- Energy and reference frames
- Relativity Problem?
- Stephen Hawking book report
- length contraction
- how to deal with the index in Einstein summation?
- Folding space
- Proof of Einstein-Hilbert action and Surface term
- Lorentz transform as a complex function
- supplie's paradox
- Another question from Schutz
- Half the spped of light
- The distance-dependent nature behind lorentz "time-transformation"...
- kinetic energy
- Time dilation
- dual to tensor
- Advice on GR book specific to my needs...
- Relativity and Energy Transfer via Radiation
- speed of light
- Does homogeneity infer isotropism?
- Question on Phenomenology of Einsteins Field Equations
- Time Dilation and Differential Aging
- Randall Sundrum model...
- Time Dialation Question
- Einstein And A Century Of Time
- Question from Schutz, A First Course in GR
- The Black Hole in a Spatially Compact Spacetime
- Twin Paradox
- Weak field relativity - with future applications to the moving mass discussion
- Should the Special Relativity Principle be Reduced to a Tautology?
- Curtailed length and the twin paradox
- The effect of curved spacetime on Feynman diagrams
- Hawking, new theory on information paradox right or qwrong?
- Relativity without the aether: pseudoscience?
- Can anyone explain this?
- The Big Bang
- 2 Black Holes
- The ultimate physical paradox: infinite from infinitesimal cosmos
- Rank of tensor
- 4-velocity vector!
- do gravity waves get bent by gravity?
- coordinate transformations and acceleration
- relativistic rocket equation
- why is gravity assumed to be a wave
- A Supposed alternative to GR I feel to be Nonsense..Clarification please
- Sir Hermann Bondi (1919 - 2005)
- is gravity just the temporal gradients effect
- Contravaint and covariant
- I got a question.
- Antisymmetric 4-tensor
- Accelerated charges loose energy
- Curvature of light and its effect on reality
- I want a formula
- advanced books/papers on derivation of Newtonian mechanics from GR
- 2Q in L-transformation
- lens
- Time travel is posibble or not ?
- GRTensorJ - Books (physics/0509108)
- Please help with Corrections
- Lorentz contraction in Special Relativity
- Geometric derivation of SR?
- Is cheating going on in Relativity?
- Question about Einstein's train and lightning
- Shear stress energy tensor in GR
- consistency of the speed of light
- Stress-Energy Tensor from Lagrangian: Technical Question
- hypothetical; what would a rocket look like to an outside observor if...
- Relativity and a mirror
- Energy in special relativity
- Gravity Probe B
- A question about the existance of a thread
- Gravitational field of a moving object
- Thoughts on Einstein’s Theories
- Photon's mass is zero?
- Original Papers
- Relativistic contraction happens which way?
- four-vectors, Minkowsky spacetime.
- What happens when...
- What evidences of relativity do you find the most compelling
- Would it be possible to see into the past..
- Challenging Einstein?
- Einstein cross
- what is relativy ???
- Random questions + Geometric multidimensional patterns.
- confused about fourth spatial dimension
- physics, abstract....
- the speed of light in a vacuum....
- 1st & 2nd Postulates
- how is relativity theory applied to gps?
- Einstein's Clock Synchronization Convention
- help. not sure how to criticize the following site:
- the sweep rate of the tail
- The nature of space, time and spacetime
- Relativistic Mechanics
- Gravitational Redshift
- Through what medium does EM propagate in "empty" space?
- Speed of light exceeded
- Time in different dimension
- Twins Paradox question
- relativistic addition question
- Tidal forces/fields
- beyond "c" what happens?!
- So two ships leave earth in opposite directions
- Creating Gravity Waves
- Light Bending Effect
- A better way to imagine the time space continuum.
- relativistic energy and matter
- relativistic length contraction
- time in the Lorentz transformation
- relativity
- Langevin Twins Paradox Proof
- Langevin Twins Paradox
- Einstein's Derivation, why is light velocity c-v and c+v?
- Can the speed of light be considered an absolute?
- Speed Of Light and stimilation
- Another Hairbrained FTL Scheme
- Speed of light
- Question from Rindler's Introduction to Special Relativity
- E = mc^2 is Not Einstein's Discovery?
- What the heck?
- New concepts?
- Gravity shock wave....
- rest energy question
- energy-momentum tesor
- Gravity wave question
- Beginner Help on Minkowski Space (and others)
- Does STR need modifying?
- Square speed of light!
- Relation
- Idea of increased mass at relativistic speeds
- How true is this...?
- Some conceptual questions on SR
- Fizeau's experiment
- Time Barrier?
- Warping through time...
- Pls HElp.. Time? Elastic?
- The gravity of light
- Absolute vs. Relative
- J Baez' "The meaning of Einstein's Equations"
- The attraction of light by gravity
- Lorentz Contraction of a Rotating Object
- How to calculate speed of gravity in GR?
- Space and Time
- Escaping Black Holes
- Experiences of particles moving at relativistic speeds in non-vacuum
- General Relativity And Quantum Mechanics
- The difference between felt, and unfelt motion.
- How do you explain the "twin paradox" to a friend
- How do you explain the "twin paradox" to a friend
- Why Minkowski spacetime and not Euclidean spacetime?
- speed & gravity
- Twin Paradox and the Big Bang
- Minkowski spacetime interval's Lorentz invariance
- GR and EM
- Faster Than Light Communication/Transportation Not Possible?
- Minkowski's geometric
- Everything moving at c
- General relativity~
- Linear Vs Sagnac
- What's the reason?
- Gravity Probe B
- a question
- Stupid question
- gravitons have gravity?
- blackhole decay and gravitational wave
- Observation
- concerning the platform and the carriage in uniform translatory motion
- Twin paradox, live via satellite!
- on the relativity of lengths
- definition of time
- The Speed Of Light
- definition of simultaneity and on the relativity of lengths and times by a. einstein
- lorentz transformations
- travelling twins
- Energy in a volume changing the geometry
- relativity and gravitons?
- New Paper: GR implies no dark matter
- Special Relativity Knowledge Challenge (for experts only)
- Speeding lab experiment
- Fermi-Walker transport - problem with a minus sign!
- Relativity in question
- Relativistic Mass
- Simultaneity Question
- Calling pmb_phy
- Noether's theorem and Time invariance?
- Euclidean Quantum Gravity
- Angular momentum at near-c velocities
- On the Relativity of Lengths and Times
- Time deviation
- Prove rectilinear motinon
- Special Relativity and Mass Variation
- The Nature of Gravity
- An old new kind of observer dependency: is v > c possible if nobody was looking?
- Question about Wave equation for light in nonflat spaces
- 2 Questions
- Speed
- Fermi normal coordinates
- "Gravity doughnut" may solve time travel problem
- [SOLVED] What?
- Rotating coordinates, again
- tidal distortion
- Time machines and rotating cylinders
- What's in your differential geometry toolbox?
- why light travels
- Relativity - facing backwards on a train
- GR postulates
- Accomodating relativity to dark matter
- logic failure
- Proofing a few paragraphs on relativity
- What convervation law is required by the Lorentz Transformations
- gravitation... what do we know
- Escaping light
- general relativity
- Relativity in rotating frames
- gravitational redshift +blackbody spectrum
- Why does light accelerates after being slowed down
- Can "spacetime as a rubber sheet" be taken literally or merely as pedagogic?
- lorentz invariant
- Why did Einstein define speed of light as a constant and time as a variable?
- Absolute Velocity of the Earth?
- understanding of relativity
- Energy of motion at high speed
- Booksearch
- Fermi-Walker transport
- c constant to the observer as well?
- Please help!
- Generalization of SR
- Inverse Lorentz Function...
- a question about relativity model
- the effect of wormholes on photons
- Blackhole question
- Black hole creation (Penrose diagrams)
- frames
- Happy Birthday, Special Relativity
- Einstein's:Mass increase resulting from Acceleration increase
- Gravitomagnetism
- A simple relativity question
- Speed of Light, Squared
- Another Artificial Gravity Question
- kind of peculiar
- Schwarzschild metric assistance
- Does Magnetism Curve Space and Time
- Can virtual produce anti-gravity?
- Center of Black Hole
- whose frame is "right"?
- Basic GR math question about dimensions
- Black Hole Orbits Animation
- Relative Detectors
- question re singularity
- Ricci components in Schwarzschild solution
- Two questions
- question pertaining measurement and space
- Lorentz transformations...
- View of Gravity?
- strength of materials and special relativity
- Lorentz force in two frames
- questions about energy conditions
- help with GR
- A new look at spacetime
- graviton and general relativity
- General Relativity in the Undergraduate Physics Curriculum
- Help with time and speed of motion please.
- Is spacetime a physical thing
- Light In A Medium
- Travelling at the speed of light
- classical general relitivity
- How would you explain the Special Theory of Relativity using Physics?
- I am going to do a presentation on time-travel tomorrow.
- MMx for GR
- Artificial gravity
- Relativity Quiz
- The concept of spacetime
- What if time was round like a circle?
- Lorenz formulas
- [SOLVED] Speed of Light always remains constant ? think again.
- electricfield in gravitationalfield
- Special Relativity vs. General Relativity
- Proper Length and Photons
- Running real fast while holding a mirror
- Relativistic mass, how did Einstein thought of it?
- infinite accelerations???
- sure this is easy for you but I dont understand...
- GR layman's question
- Seeming Paradox
- Pressure and refraction in GR?
- relativistic energy
- Does anyone know some light facts on the following topic?
- Boyer-linquist Coordinates
- Einsteins though experiment and e=mc^2
- General Doubts about Space Time
- twin paradox
- On ether
- GR vs. SR while accelerating away
- Dual Tensor and Field Tensor
- GR & The Cosmological Constant
- Question about the equivalence principle
- Humans have true 4D spatial vision
- Curved Space-Time question.
- A really really long rod
- Event horizons and Hawking radiation
- Radar gun and STR
- Horizon
- Einstein's 1905 papers
- Shape of Time
- Interesting Question About Relativity and the Absolute
- Length Contraction question.
- Is a free ballistic path a parabola or a cycloid?
- Tramplines and Scales and Free Float
- Time speeding up?
- E = MC2 - how was it initially proven?
- So Long..and Thanks for all those Fish!
- Hubble distance
- Electromagnetic 4-vectors
- Faster than light communication...
- Question regarding the expanding universe
- twin paradox
- Speeding into a supersize black hole
- ADM Approach
- Question about time
- Derivation of E=mC2
- Event Horizon
- E=mc^2
- particles approching the speed of light
- help on relativity
- General Coordinate Transformations
- space-time
- Spinning wheel and light speed
- Light Beam Problem
- How to imagine distorted space
- Time dilation and radioactive decay
- What programs are most successfull for visualization physical processess?
- stable worm holes
- On Forming of Black Hole
- Relativity and free energy
- Gravity and light
- speed of light?
- Approaching a Black Hole
- Urgent Help required- schwarzschild solution
- Where can I find PDF "Black holes White Dwars and Neutron Stars"
- relativistic mass and energy
- extra dimensions
- Oddity of Time
- Derivation of Christoffel symbol
- Pulsing from a ->c satellite
- does increased velocity increase gravity?
- faster than light
- question
- Masses interaction.
- White hole
- Einstein's theory of gravity
- Question about Proper Time and Rest Frame selection.
- gravity
- curvatures in spacetime explained by momentum?
- Space and time dilation
- Finding the contraction formula using proper time
- Length contraction and time dilation
- curving space - it is the Higgs?
- Relativistic velocity in the time dimension
- Evidence for preferred frames?
- Information needed on two wheels and chain apparent paradox in SR
- relativistic electrons
- Gravity?
- Black hole riddle
- Big bang related questions
- Time Travel
- objects turning into a black hole near the speed of light?
- The energy-momentum tensor and the equivalence principle
- Black Hole XVI
- Are SR & GR Considered Experimentally Proven?
- Equivalence without relativity
- Age of the universe -- absolute or relative?
- General relativity mathematics : physically acceptable ?
- Gravity and the scale of matter.
- So confused: Tensors and reletivistic cosmology
- Twin paradox
- Space like time like light like separations?
- Testing a Theory of Gravity
- components and basis transform differently
- Computing Trajectory Profiles
- Schwarzschild metric
- Time dilation in a centrifuge
- Spacetime intervals again - still figuring out the formula
- Faster Than Light?
- A spinning Universe?
- Geometry vs. Particles
- Viewing the Big Bang?
- Really?
- Does the equivalence principle hold for charged particles?
- Electron in G orbit
- What is time dilation?
- Temperature and observer velocity
- A wrong statement regarding SR.
- Degenrate answers
- Inhomogeneous and anisotropic dust models
- Photon Energy when Doppler Shifted!
- Charged particle moving relativistically through E field
- Light
- Limit as the Speed of Light becomes Infinite
- Laws of time and space
- Does time expand?
- Falling into a black hole
- Can an Event be in one frame and not be in another?
- Temperature and relativity
- energy conservation in General relativity
- special relativity- time expansion
- special relativity
- Maybe its an old question
- c?
- Absolute motion, is it detectable?
- A question for firt post.
- photons and black holes
- Universal Time Dilation?
- Does time really slow down?
- silly questions
- Shortest Paths
- Bibliography: Twin Paradox
- On photons in perpendicular directions
- Twin Paradox
- SR and Time dilation problem
- Good online report about wormholes?
- Textbooks?
- Time difference - camera's
- Relativity situation. Questions.
- Heliocentrism from a relativistic standpoint...
- A simple SR problem
- Who does time really slow down for?
- GR and Time Travel Paradoxes
- Mach's Principle
- Does anybody have a better analogy of describing space-time curvature?
- An odd sort of symmetry about E=MC^2
- I know how to travel faster than light :\
- Could Time be speeding up?
- A very simple question about general relativity
- just wondering
- 4-velocity
- Does relativistic mass create gravity?
- GR to the center of the Earth!
- Question about GR - movement in space-time
- An exercise in eloquence: Basic GTR
- Coupling of the graviton
- Time travel and cosmic strings
- Light in opposite directions
- Relativity Paradox
- fleeing earth at the speed of light
- About the assumption and need for 4 dimensions and more
- gravity & photons
- lorentz transformations explanation?
- e=mc^2, backwords
- Conservation Principle Related to Expanding Space?
- Reverse engineering relativity?
- What is gravity and what implications does it have for the future of the universe
- 4-vector
- tensor gradient and maxwell's equation
- Invariants in general relativity...
- Negative mass
- twins paradox need clarification
- Running at light speed
- Centre of mass of Universe
- light speed
- Second Postulate of Special Relativity
- Derivation of Lorentz Transformations
- Does light bending doubly violate the equivalence principle?
- Constancy of c
- Relativity
- Math Question
- dunno theorey of relativity
- space-time curvature
- Einstein Conference
- GR: Black Hole - Electrical Charge
- What is the Limits of Lorentz Transformation when (v/c->1)?.
- lever paradox
- Universe and twin paradox
- Special Relativity - Transformations and Equivalence Principle
- a little problem in general relativity;momentum
- What do you see at light speed?
- Relativistic and rest mass
- Relativistic Mass
- Is only GR enough for proved the event horizon
- New to Relativity:Need Answers!!
- General Theory Of Relativity
- Derivation of the momentum-energy relation
- Black Holes in the Very Early Universe
- Photon mass
- Relativistic mass question
- E² = p²c² + (mc²)²
- Relativity and temperature question
- Help with a little "Gedanken" experiment please?
- Plank and the bullet?
- force to resist expansion
- Fizeau, 1851, drag coefficinet
- Ether Drag theory
- Derivation of relativistic energy
- Question from I. KINEMATICAL PART § 1. Definition of Simultaneity
- Time going in reverse
- Unification of GR and classical E&M
- Hamilton-Jacobi equation for Gr...
- General Relativity and Theory of Spinors
- Harmless Lorentz transformation question
- Simple SR question
- Hafele-Keating Experiment
- Einstein's Relativity Ppr almost not Published
- Relativistic effects in non-vacuous media
- Question About Relativistic Acceleration
- How to retrieve the lenght-contraction from the LT?
- possible solution for dark energy
- Gamma factor equation
- Tensor practices
- Lorentz transformations
- How accurate is world time?
- [B]the twins paradox[/B]
- Has anyone heard any more about this guy
- The Sun revolves around the Earth?
- Experimental Evidence for GR
- How to get started?
- Sectional curvature in GR
- Journal articles on mass
- A Derivation of Special Relativity without Invoking Group Theory
- Stationary Einstein-Vlasov system
- hell all plz help me life or death situation
- Gravity waves
- A Special Relativity Question
- The first failure of relativity????
- Quick question for a confused English major...
- Reality and Relativity
- Confusion about Spacetime
- massive objects going 99.9% speed of light.
- time dilation
- E=mc^2
- Einstein's letter to Lincoln Barnett
- Update on this guy. Anyone?
- confused about black holes and acceleration
- Does SR imply determinism
- length contraction and muons
- Conversion of mass to energy
- Generalized Lorentz Transformation for an Accelerated Frame of Reference
- Energy of a particle
- What I tell laymen who ask me about SR
- Speed of Light..
- Could a GR expert look at this?
- Lawden's Book
- Barwacz Space
- Geometry and E&M
- distance on a 2-sphere
- Backward or forward in time?
- Help with special relativity
- Parallel amazment.
- Light Waves
- H Ziegler - Does any one have any info on him?
- Can someone explain Einstein's relativity theory?
- Spacetime wave orbits black hole
- graviton and the equivalence principle
- A question about movement in 4D
- Discover Article something not quite right.
- FTL travel in a light cone???
- Mond
- Relative positions in time - How does SRT define them.
- Special Relativity vs Alternatives
- An illustration of relativity with rulers and clocks
- Note the comment on SR herein:
- the gravition and einstein's equivalence principal
- SR question
- Probably an old question
- Electro magnetism gravity
- What would happen???
- Is gravitation faster than light?
- Lorentz Transformation --- Exponential factor, why not Proportional?
- A problem in special relativity with a surprising result
- Chain snap at high speed.
- GR curved space KE and stuff
- geodesics
- A question about SR...
- Geometric field / Thirring Lense / Red shift
- Escape velocity
- How do you calculate time dilation in a gravitational field
- Question on feasibility of relativistic travel
- Could it be...
- Visualisation of relativity
- Ph. D. in Mathematics or Physics (Relativity)
- A interesting problem in relativity!
- Aether theories which are experimentally indistinguishable from SR.
- Twins/triplets again, but *truly* symmetric
- Proving relativistic blueshift with Lorentz transforms only
- GR and the higgs field
- Special Relativity Question
- When does a charge radiate?
- Gravity Equasion?????
- magnetic field
- If you travel faster than the speed of light, do you open up a black hole?
- Does mass increase in SR mean higher gravity in GR?
- Riemann curvature tensor derivation
- SR quiz!
- Time
- SR time dilation problem
- what is the problem with GR and quantum
- A question of universal expandsion
- Time Travel
- time dilation in an electromagnetic potential
- Potential energy question
- just how far away is that star?
- gre problem
- Is Gravity an Attractive Force?
- Q theory, Relativistic Mass and Einstein
- Changing the speed of light does nothing?
- Infinite Time and Hawking Radiation
- Is universal "time" the 4th or 5th Dimension?
- Kaluza's paper to Einstein
- Teaching vs doing
- What is the resolution of the The Bug-Rivet Paradox paradox in special relativity?
- Does my spaceship accelerate forever?
- Scientific alternative to the anthropic principle
- Faster than the Speed of Light
- T Padmanabhan-new paper
- Gravitation from the Ground Up - B.F. Schutz
- Laws of physics in four-vector form. A question.
- Beyond c if time goes positive does V decrease?
- Why arent Plancks constant's relative?
- flat potentials and mass
- how objects look at high speeds
- Many Worlds Interpretation of SR
- technical paper on Lense-Thirring Lageos measurement
- Einstein´s work ion Unified Field Theory
- unaccounted mass
- Speed of Gravity Controversy
- Regarding Special Relativity
- Causality & Hyperspace
- Why can photons travel faster than c?
- Faster Than C?
- Beginners Virtual Dilation
- Direction of space curvature
- 1st postulate of Special Relativity
- Twin Paradox
- Does a single photon have 'color'
- What is Space?
- Defined quantities
- Learning Relativity
- Relativity question
- Scalar, Invariant, Observer depdanat
- Time is not the 4th dimension
- Global Positioning System and Relativity
- quadrupole moment and wave generation
- Gravitomagnetism and GR
- Information speed limit
- Big Bang and GR
- Special Relativity for the School Going Child
- GR metric meaning
- Special and General relativity
- RTT’s mind boggling Time Dilation Paradox
- Atmospheric Speed of Photons
- one spherical mass inside another
- What are your favorite web pages on SR?
- Space curvature allows time travel to the past!
- Why do photons naturally travel at c?
- The whole racing with light thingy.
- Information transmission
- Circularly symmetric star
- Special relativity and Universe expansion.
- Black Holes
- Interesting questions on relativity
- Potential/Potential Energy
- The mass of the photon
- Macroscopic vs. microscopic
- Refusal to give up absolute
- 4-vector norm names
- Meaning of "age of universe"
- Relativity and the "Dark Energy" question
- Can photons accelerate?
- Time flow.
- Terrestrial phenomena significantly influenced by GR?
- Embarassingly simple question - Christoffel symbols
- Interferometer Question
- Problem On Relativity
- Centrifugal force from GR perspective
- Black holes and Hawking radiation
- GR Acceleration
- outer product of two one forms.
- Source of photon propagation
- The Minkowski so-called 'metric'
- Speed of light?
- The Smallest blackhole possible?
- Far Gravitational field of a moving mass
- Event horizon and singularity
- static spacetimes
- Paradoxes!
- Parallel universes.
- Spacecraft
- mahematics for general relativiy??
- Discrete Relativity?
- Does time essentially stop if you could travel a C?
- General relativity - linear from nonlinear solutions
- Of pancakes and particles
- Relativity and Clocks on Airplanes Calibrated from the Ground
- Relativity questions...
- Spacetime is warped
- time problem
- The Cosmological Twin Paradox
- A Stationary Universe?
- space-time and the speed of light
- Lorentz transformations
- Very simple question
- Time "speeding up"?
- Important find:when is the light wave-motion ?and when is particle-motion?
- experiments
- Electric Field 4-vector
- What constitutes an observer?
- Relativistic Potential Energy
- What is Einstein Temperature and how can i use it in this question?
- 'Speed of Light' Thought Experiment
- Relativistic Velocity
- Information "Twin", loss Paradox?
- Yet another "spaceship moving at .9c" thread
- Frame Draggin And Grav Waves
- Four momentum: why four?
- Light and Wave properties
- Frame Dragging Confirmed?
- Time Dilation and Length Contraction
- Frame Dragging Detected per GR
- Could someone please help me get my mind around this paradox
- Einstein energy and thermodynamic energy
- Gravity & General Relativity
- error in schwarzchild metric
- Gravity and massless particles?
- Light, Mass, and Black hole question
- Alternate derivation of Lorentz Trans.
- Relativity of Simultaneity
- The Twin Paradox
- Experimental relativity
- Foundation to the theory of relativity
- Energy---> space time curvature
- Question's About the Speed of Light
- Distance meaning
- Metric compatibile connection
- The Equivalence Principle--bending of light
- Can you say MOTION?
- Why isn't freefall based on the mass of the object falling?
- Can someone explain the twin paradox to me
- Time Travel. Is it possible?
- Relativity vs Newtonian Physics
- Newton's bucket and Galilean relativity
- special relativity and frames of reference
- Mass of a body
- General Question about Einstein's Theories.
- theory of relativity sets limits
- changing the speed of light
- Time Dilation Visualization
- SR Paradox
- a question about mickelson& morli experiment
- Speed of Light
- Time dilation when travelling
- Einstein's theory of Special Relativity
- A preferred frame?
- Special Relativity handling acceleration
- Relativity
- What causes space curves? Energy or rest mass?
- Wormholes mean changes to Relativity?
- The Big Bang - acceleration
- Question on the age of universe
- Space
- Einstein - not flattering
- Check: explanation of tides
- A quickly oscillating mass produces a gravitationnal wave
- einstein's warping of space-time as a theory of gravity
- Wikipedia's article on black holes
- The Soccer Ball Problem in Relativity
- Strange implications of NASA's Gravity Probe B
- Area of spherical circle
- Whatever happened to testing relativity?
- Contraction effects at relativistic velocities
- Does an electric charge "curve spacetime"?
- why is there 0 gravity in space
- Kinetic Enrgey according to another viewer
- Can we understand Einstein?
- Nonsymmetric Gravitational Theory (NGT)
- ENERGY to matter
- Mass to energy
- The Peripatetic Albert, Round 3
- Big Bang, black holes,singularities
- increasing mass, decreasing force?
- wrong claims?
- Relativistic Space Travel
- Common Errors
- The Mallett Time Machine
- Relativity for people who insist on having a "true physical time"
- Gravity Gyruss...
- speed of light
- do tachyons exist or not?if so causality will be failed!!!
- Hovering in gravity makes curved space flat?
- Special Relativity in an (in)finite universe
- binary pulsars and general relativity
- Am I thinking SR correctly?
- Big bang and BH
- Michelson Morley and Paul Marmet
- Baby Universes in labs
- Books in general relativity?
- Falling into a black hole
- Fundamental postulates of SR
- Speeds and waves
- maxwell equations and special relativety
- Christoffel symbols in the Schwarzschild metric
- Black Hole Inconsistencies
- I'm stumped...
- How small is a BIG-CRUNCH ?
- Einstein's Thought Experiment
- A New Test of the Equivalence Principle?
- Why c2 (speed of light squared)?
- Relativity questions
- Interpretation of GR
- Is Special relativity quantizied?...
- Quantum blended with a little SR
- The sled and the hole
- Is length contraction relative or absolute??
- The presesnt
- Bending of Space and Time
- Falling object dispute
- Telescopes moving very fast
- Spaceship accelerating inside a Black Hole
- Time Before Time...
- what is a time-like killing vector?
- Some questions on GR
- Proof for E=mc^2....
- Some Musings...
- If Time and Space Are Relative Concepts, Then...
- Frame of reference
- String-mass near the speed of light
- Gravitational Time Dilation
- gravitational lensing and its implications?
- Wormholes
- Question about how we look at space
- The black hole and the milk
- Gravity, Gravity, Gravity...
- Action at a distance
- time and acceleration
- Gravity and acceleration
- E = mc^2: Identity or equality
- What do the light cones mean?
- Tensor Mangling Software
- The End of the Universe from the Outside In - as free-faller nears singularity
- There is only one True Singularity and It is at the Center
- frame dragging and rotation
- Evidence of length contraction
- Special Relativity. timespace correlation.
- dark energy and pressure
- change in relativistic momentum
- Calculating mass and speed from kinetic energy and linear momentum
- Block Time interpretation
- Reverse sequence of events
- Escape velocity outside event horizon
- conservation of energy in GR and symmetry
- 'Faster than light' question
- Simple Question on General Relativity
- The Meaning of Einstein's Equation..
- Last straw to form black hole
- Problems w/ Model of Gravity
- Question about expanding black holes
- singularity of a black hole
- Black Holes - help needed to settle a bet
- Stresses in a rotating object?
- Measuring the speed of light
- speed of light
- schwarzschild metric and BH mass
- Paradox... SR:
- Explaining special relativity
- Into "the past"?: Tricky SpaceTime Diagrams?
- Schwarzschild solution
- Black Hole Paradox?
- Time travel??
- Co-ordinate transformation
- A doubt
- Infinitie tidal forces at event horizon?
- Event Horizon = Singularity?
- aging
- Gravitation Speed/Acceleration/Velocity
- Relativity Question: Two spaceships following each other near C
- speed of two spaceships
- questions about tensors in GR
- Time flow & Cosmic Background Radiation
- Distancing
- Question about the metric tensor in Einstein's field equations.
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