Join in expert discussion on special and general relativity discussion. Relativity is the dependence of various physical phenomena on relative motion of the observer and the observed objects.
Threads
Undergrad OK FINE, magnetism is explained away by relativity
- Dropout
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Graduate Can the Ricci Scalar Depend on Spacetime Coordinates?
- div curl F= 0
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Graduate Does Lorentz Factor Appear in General Relativity?
- snoopies622
- · Replies 34 ·
Graduate Is black hole entropy invariant?
- yuiop
- · Replies 2 ·
Graduate Retarded Time Solutions for Non-Homogeneous Wave Equations
- Nusc
- · Replies 13 ·
Graduate Understanding Relativity: A Blind Man's Perspective on Time and Physics
- newTonn
- · Replies 108 ·
Graduate Electron Velocity vs Field Strength?
- HarryWertM
- · Replies 9 ·
Undergrad Does Mass Increase as Velocity Approaches the Speed of Light?
- leftyguitarjo
- · Replies 5 ·
Graduate Gyroscope Axis Observed 45 Deg to X,Y Plane - How is This Resolved?
- yuiop
- · Replies 11 ·
Graduate Unveiling the Observations of a Spinning Disc Approaching Light Speed
- Denton
- · Replies 15 ·
Graduate Gravitational Flux in Black Holes: Can it Escape the Event Horizon?
- redtree
- · Replies 9 ·
Graduate Wheel Experiment: Investigating Relativistic Wobble
- yuiop
- · Replies 9 ·
Graduate General Relativity as a non-Abelian gauge theory
- masudr
- · Replies 3 ·
Graduate Why do objects appear to shrink as they approach the speed of light?
- leftyguitarjo
- · Replies 1 ·
Graduate Do Photons Experience Relativity Effects?
- sngtdt
- · Replies 10 ·
Graduate John Wheeler's Legacy: Einstein v. Wheeler's Black Holes
- Max Wallis
- · Replies 3 ·
Graduate What experiments are lined up to test gravity
- Chaos' lil bro Order
- · Replies 3 ·
Graduate Is Space Truly Homogeneous and Isotropic?
- bernhard.rothenstein
- · Replies 1 ·
Graduate Defining Inertial Reference Frames in General Relativity
- hartlw
- · Replies 15 ·
Graduate Particles travelling faster than the speed of light?
- Physonic
- · Replies 4 ·
High School Why is the Equation E=MC2 Significant in Relativity and Energy Equivalence?
- Unredeemed
- · Replies 5 ·
Graduate Lorentz Transforms - Understanding Time Dilation & Velocity Slope
- calis
- · Replies 5 ·
Graduate Force & Acceleration: Can a Frame be Accelerated without Force?
- Chrisc
- · Replies 18 ·
Graduate Another length contraction paradox
- JaWiB
- · Replies 9 ·
Graduate Combination of Michelson/Morley and Time Dilation
- olli
- · Replies 3 ·
Graduate Laser Measurement and Velocity Determination in Moving Containers
- rab99
- · Replies 15 ·
Graduate Understanding Gravity: The Curvature of Spacetime Explained
- Bose
- · Replies 23 ·
Graduate Definition of an Inertial Frame
- JustinLevy
- · Replies 55 ·
Undergrad Can Mass Be Transformed Into Energy?
- eoghan
- · Replies 53 ·
Graduate Calculating the travel time in relativistic travel
- rhz_prog
- · Replies 1 ·
Graduate Relativistic thermodynamics controversy?
- yuiop
- · Replies 12 ·
Graduate Travelling to the Nearest Star and Time Dilation
- Stevey-R
- · Replies 23 ·
Graduate Spaceship Observations in Relativity: A Newbie's Question
- adimare
- · Replies 7 ·
Undergrad Understanding Velocity: The Perspective of Fish in a Tank
- rab99
- · Replies 3 ·
Graduate Pervect's discussion re photon/light perspective/reference frame
- Usaf Moji
- · Replies 1 ·
Graduate Orbital Light Speed: Is it Possible?
- KodeK
- · Replies 19 ·
Graduate Inertial frames and Parity symmetry
- JustinLevy
- · Replies 3 ·
Graduate Synchronised Clocks in Motion: Einstein's Method and the Observer's Experiment
- rab99
- · Replies 4 ·
Graduate Can a Particle Accelerator in a Space Ship Reveal Its Motion?
- rab99
- · Replies 7 ·
Graduate Can galaxies recede from us at velocities greater than c?
- aachenmann
- · Replies 3 ·
Graduate Measuring Lorentz Contraction: Is it Real or Just an Illusion?
- aachenmann
- · Replies 59 ·
Graduate Differentials - is this valid or just sloppy but right?
- pellman
- · Replies 6 ·
Graduate How Does Gravity Affect the Elasticity of Space and Time?
- L3v3L
- · Replies 1 ·
Graduate How Can Clock Synchronization Be Achieved in a Moving Spaceship?
- rab99
- · Replies 25 ·
Graduate Circular Orbits of a Black Hole
- mysearch
- · Replies 24 ·
Graduate Constructive criticism please.
- Chrisc
- · Replies 33 ·
Graduate How Does Space-Time Curvature Affect Light Near Black Holes?
- rab99
- · Replies 105 ·
Graduate Why do balls follow curved paths in Earth's gravity according to GR?
- aachenmann
- · Replies 79 ·
Graduate Do Black Holes Capture and Display Objects Indefinitely?
- Denton
- · Replies 1 ·
Graduate General Relativity and the Moon's orbit.
- dba27
- · Replies 2 ·
Graduate General relativity in 1+1 spacetime dimensions
- jdstokes
- · Replies 2 ·
Graduate Twin paradox in an empty universe
- Wiemster
- · Replies 15 ·
Undergrad Long planet and Galileo thought experiment
- yuiop
- · Replies 71 ·
Graduate Photon's perspective - we are one photon
- jviksne
- · Replies 1 ·
Graduate Opinion/discussion/advice on a simple thought experiment please
- Anony-mouse
- · Replies 21 ·
Graduate Possible quantum implications of GR?
- michael879
- · Replies 1 ·
Graduate A problem with light speed constancy
- meatwad
- · Replies 14 ·
Graduate Two oposite beams and earth and rocket again
- jviksne
- · Replies 7 ·
Graduate The Force of Gravity: Instantaneous or with a Delay?
- robertm
- · Replies 8 ·
Undergrad From The Suns Core to The Corona?
- Eric DMC
- · Replies 5 ·
Graduate How Does Earth's Motion Affect Our Understanding of Local Time and Space?
- lohphat
- · Replies 4 ·
Graduate Two Kerr Black Holes: Possible or Impossible?
- michael879
- · Replies 5 ·
Graduate What are some examples of dynamical systems in General Relativity?
- Kreizhn
- · Replies 7 ·
Graduate Can a Charged, Accelerating Black Hole Radiate Photons?
- michael879
- · Replies 2 ·
Graduate Why Is the Schwarzschild Solution Considered Spatially Symmetric?
- off-diagonal
- · Replies 2 ·
Graduate Understanding Einstein's Law of Gravitation in Empty Space
- snoopies622
- · Replies 5 ·
Position of a ship in a new dimension
- lovegood
- · Replies 7 ·
Graduate Why is the speed of light constant in all reference frames?
- aachenmann
- · Replies 10 ·
Graduate Energy momentum tensor of a scalar field by varying the metric
- knobelc
- · Replies 9 ·
Graduate Does light truly have no reference frame?
- ktoz
- · Replies 20 ·
Graduate Another question about photon perspective, concerning entanglement
- Anticitizen
- · Replies 7 ·
Graduate The Gauss Bonnet Lagrangian and the conserved current
- haushofer
- · Replies 5 ·
Graduate What is the correct understanding of the ct dimension?
- XVX
- · Replies 9 ·
Graduate What is the solution to the paradox of relativistic mass increase?
- GregStacey
- · Replies 13 ·
Graduate What Causes the Paradox of Aging in Time Dilation?
- Tachyonie
- · Replies 14 ·
Can stars appear to move faster than light when spinning?
- rab99
- · Replies 24 ·
Graduate Events and how they are percieved.
- Davio
- · Replies 4 ·
Graduate Naked Singularities: Questions on Fund. Particles as Black Holes
- michael879
- · Replies 1 ·
Graduate A bench-top test of special relativity ?
- Mentz114
- · Replies 10 ·
Graduate Question on Effective Potential
- mysearch
- · Replies 111 ·
Graduate EP Violation: Asynchronous Relativity & Stressed Bodies
- yuiop
- · Replies 5 ·
Undergrad Deriving Law of Conservation of Energy from E=MC2
- superdirt
- · Replies 21 ·
Graduate Can Lorentz transformations determine the middle point on a photon's worldline?
- tomprice
- · Replies 10 ·
How Thick is Space If It's Flat?
- rab99
- · Replies 5 ·
Graduate 4-velocity, the mass shell and potential energy
- pellman
- · Replies 3 ·
Graduate Geodesic Paths in Spacetime: How Mass and Velocity Affect the Curvature
- duordi
- · Replies 10 ·
Undergrad Thought experiment on potential energy
- snoopies622
- · Replies 34 ·
Graduate Wave equation in curved spacetime
- Pacopag
- · Replies 4 ·
Graduate Photon Inertial Mass: Zero Rest Mass?
- dkgolfer16
- · Replies 10 ·
Graduate How Does Time Dilation Affect Clocks in Different Frames of Reference?
- rab99
- · Replies 36 ·
Graduate Is there a limiting speed for particles due to energy loss in acceleration?
- hartlw
- · Replies 1 ·
Graduate Object Falling into a Black Hole: What Happens?
- michael879
- · Replies 6 ·
Graduate Accelerating Twice: Astronaut Achieves .99999c in Nuclear Ship
- Buckethead
- · Replies 9 ·
Undergrad How does the speed of light affect the rotation of a disc?
- zarbanx
- · Replies 36 ·
Who is the author of mathpages.com?
- Chris Hillman
- · Replies 9 ·
Graduate Why is the 3 momentum represented with a negative sign in the 4-vector?
- Davio
- · Replies 8 ·
Graduate Is Time Travel Possible and What Are Its Implications?
- mlw
- · Replies 55 ·
Graduate How does an object know that it is in motion?
- korinteren
- · Replies 22 ·
Undergrad Creating a Common Frame of Reference for Remote Astronauts
- rab99
- · Replies 8 ·
Graduate What happens to the pythagorean theorem in a non-euclidean space?
- Ulysees
- · Replies 14 ·