- 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
- 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