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
Graduate Looking backwards when traveling at c
- johann1301
- · Replies 15 ·
Graduate Slowing Light: Constant Across Reference Frames?
- 1MileCrash
- · Replies 9 ·
Graduate Dirac's statement about conservation
- exmarine
- · Replies 3 ·
Undergrad Relative Velocity: Deriving Velocity from Time & Distance
- Goodver
- · Replies 4 ·
Graduate Is Our Universe Closed or Open? A Thought Experiment at Near-Light Speeds
- duordi134
- · Replies 4 ·
Graduate Is Relative Simultaneity Real?
- andromeda
- · Replies 60 ·
Graduate A photon's energy equals its spatial momentum?
- epovo
- · Replies 17 ·
Graduate Understanding Special Relativity on a Geometric and Intuitive Level
- MetaMusic
- · Replies 2 ·
Graduate Solving the Spaceship Paradox: A New Explanation
- Mentz114
- · Replies 141 ·
Graduate EM Momentum,Hidden Momentum,Centre of Energy Theorem and Lorentz Force
- universal_101
- · Replies 83 ·
Graduate Is gravity a fundamental property of mass and space?
- Evan
- · Replies 9 ·
Undergrad Confusion over length contraction
- hunter31
- · Replies 12 ·
Undergrad Einstein on the orbit of mercury, how does this fix Newton's theory?
- shott92
- · Replies 8 ·
Undergrad Length contraction/time dilation mutually exclusive?
- jollyjolly0
- · Replies 9 ·
Graduate Could Faster-Than-Light Travel Enable Time Reversal?
- jerrythegreat8
- · Replies 9 ·
Graduate What is the shape of length-contracted space?
- BitWiz
- · Replies 25 ·
Graduate Does GR predict SR mass changes?
- Shaw
- · Replies 4 ·
Graduate How Does Time Dilation Affect Travel at Speeds Beyond Light?
- Canadian09
- · Replies 13 ·
Graduate Total Energy in Schwarszchild Questions Answered
- maverick280857
- · Replies 1 ·
Graduate Relativistic velocity addition and signs
- asdfghhjkl
- · Replies 2 ·
Graduate The 'mechanism' of length contraction
- analyst5
- · Replies 31 ·
Graduate Variation with respect to the metric
- gravity90
- · Replies 7 ·
Graduate Entanglement and general relativity
- ryan albery
- · Replies 6 ·
Graduate Expanding the definition of inertial coordiante systems.
- duordi134
- · Replies 19 ·
Graduate Derivatives of contravariant and covariant vectors
- nigelscott
- · Replies 4 ·
Graduate Distance dilation and length contraction
- ANvH
- · Replies 23 ·
Graduate Einsteins-Rosen bridge different from schwarzschild black hole metric?
- hodei_cloud
- · Replies 10 ·
Undergrad How does bending the time continuum affect time?
- BrianThomas
- · Replies 5 ·
Graduate Sign Convention For v and x In Delta t = gamma(delta t' + v delta x')
- Point Conception
- · Replies 10 ·
Graduate Detailed working out Lorentz contraction from the Lorentz transform
- pervect
- · Replies 3 ·
Graduate Why does special relativity exclude gravity?
- luinthoron
- · Replies 34 ·
Graduate Relativity: What's Relative & What's Not?
- Whitefire
- · Replies 2 ·
Graduate Are length contraction and time dilation conventions?
- analyst5
- · Replies 22 ·
Graduate Do origin and onboard rocket observers agree on velocity?
- BitWiz
- · Replies 8 ·
Graduate Frame-dependency of aging rate in the twin paradox
- Queequeg
- · Replies 21 ·
Graduate Is Faster-Than-Light Travel Possible in Theory?
- lowemack
- · Replies 19 ·
Graduate Relativistic Travel, Perception and Light Constancy
- Camel_City
- · Replies 2 ·
Graduate Light & Gravity: Effects Detected?
- Dadface
- · Replies 18 ·
Graduate Michelson-Gale-Pearson Refutation of Stokes-Planck - Help
- one_raven
- · Replies 3 ·
Undergrad Do Photons Have Mass or Not?
- mbbolton96
- · Replies 14 ·
Graduate How can gravitons be linked to general relativity?
- haisydinh
- · Replies 2 ·
Undergrad Is Coulomb's Law a Spatial Concept or a Space-Time Phenomenon?
- johann1301
- · Replies 1 ·
Graduate Resolving the Twin Paradox: Clock Readings on Space Ships in Relative Motion
- Ryoko
- · Replies 9 ·
Graduate Practical measurements of rotation in the Kerr metric
- yuiop
- · Replies 199 ·
Graduate Big Bang: Faster than the Speed of Light?
- mtasquared
- · Replies 9 ·
Graduate About extremal aging and SR proper time
- RiccardoVen
- · Replies 6 ·
Graduate Two bodies problem in other reference system
- Vrbic
- · Replies 1 ·
Graduate Surface gravity (Killing vecotrs) of Kerr black hole
- Vrbic
- · Replies 2 ·
Graduate Beginner: Some questions about relativity
- Genecks
- · Replies 5 ·
Graduate Change of the minkowski metric
- ChrisVer
- · Replies 4 ·
Graduate Theory of general relativity- Falsifiable?
- fde645
- · Replies 10 ·
Graduate Relative time in light of quantum entanglement experiments
- DragonBreath
- · Replies 17 ·
Graduate Passing light repositions glass, doesn't it?
- .Scott
- · Replies 17 ·
Graduate If gravity is curvature of spacetime, why unified force @ Planck epoch
- Rahgozar
- · Replies 5 ·
Graduate Experimental Tests of GR for Non-Vanishing Tensor
- Geometry_dude
- · Replies 2 ·
Graduate Understanding Gauss' Law for GR in Point Mass Clouds
- stevendaryl
- · Replies 2 ·
Graduate Best Understanding of the SR Postulate and the FAQ
- Wes Tausend
- · Replies 29 ·
Graduate Mansuripur's Confusion-a-dox: Lorentz Force Law Issues
- pervect
- · Replies 2 ·
Graduate Cherenkov Radiation in a Vacuum Tube
- kq6up
- · Replies 2 ·
Graduate Field Strenght Tensor and its Dual (in SR)
- Zag
- · Replies 15 ·
High School Lycra sheet + support + massive balls = Gravity Visualized
- Spinnor
- · Replies 1 ·
Undergrad Faster than speed of light possible ?
- bigworld
- · Replies 5 ·
Undergrad Is the frequency of light relative?
- cooev769
- · Replies 5 ·
Graduate Is Homogeneous Line Universe Possible in Higher Dimensions?
- 122520253025
- · Replies 2 ·
Graduate Simultaneity in circular motion
- johnny_bohnny
- · Replies 20 ·
Graduate Electromagnetism and relativity
- johann1301
- · Replies 14 ·
Graduate Constant Jacobian transformation of an inertial frame
- hwl
- · Replies 2 ·
Graduate Integrating Geodesic Equations: Kevin Brown
- exmarine
- · Replies 1 ·
High School Did I experience time dilation or something?
- Genecks
- · Replies 2 ·
Graduate Explain how light moves in relative motion due to special relativity?
- iliedonUA
- · Replies 15 ·
Graduate GR Noether Current: Confirm Pseudo Tensor?
- fhenryco
- · Replies 2 ·
Graduate Defining a rest frame in the real world
- analyst5
- · Replies 16 ·
Undergrad Einstein's thought experiment about the speed of light
- somebodyelse
- · Replies 25 ·
Undergrad Special relativity and magnetism
- BruceSpringste
- · Replies 20 ·
Graduate GR coordinate acceleration problem
- grav-universe
- · Replies 47 ·
Graduate Lorentz Transformation of Velocity 4 Vector Help
- cooev769
- · Replies 19 ·
Graduate Lorentz Transformations: Deriving from Einstein's Postulates
- Darren93
- · Replies 4 ·
Graduate Relation between relative simultaneity and velocity
- analyst5
- · Replies 19 ·
Undergrad Is the Location of Light relative due to its speed being constant
- Sicktoaster
- · Replies 2 ·
Graduate Accelerating Particles > c: Special Relativity Considerations
- Tigersharkmks
- · Replies 3 ·
Graduate Traveling at Light Speed: Question on Intergalactic Travel
- Amygdala
- · Replies 11 ·
Graduate Adjusting length and period using (inverse) transformations
- ANvH
- · Replies 43 ·
Graduate Transforming Maxwell's Equations in Special Relativity.
- ObsessiveMathsFreak
- · Replies 17 ·
Graduate Proving the Uniqueness of Center of Momentum Frame
- haruna
- · Replies 2 ·
High School General and special theory of relativity in few words
- physicist2
- · Replies 29 ·
Graduate Objects falling into a black hole
- aademarco
- · Replies 3 ·
Graduate On the index notation used in Lorentz transformations
- Rococo
- · Replies 23 ·
Graduate Fundamental Valid Frame of Rest
- Wes Tausend
- · Replies 11 ·
Graduate How to view black holes / horizon from a manifold perspective
- clerk
- · Replies 6 ·
Graduate How accurate is the metaphor of trampoline
- victorvmotti
- · Replies 20 ·
Graduate Centrifugal and Coriolis forces covariant formulation
- WannabeNewton
- · Replies 41 ·
Graduate Two Frames of 0-Momentum in the Minkowski Plane?
- haruna
- · Replies 4 ·
Graduate Understanding Rest Mass of an Electron in a Crystal
- kur82
- · Replies 2 ·
Undergrad Help with Galilean transforms?
- emmac
- · Replies 6 ·
Graduate Massless Particles and the Universal Speed Limit
- Dunbar
- · Replies 12 ·
Graduate What is the Riemann Metric Tensor and its components?
- shounakbhatta
- · Replies 3 ·
Graduate Space-time curvature without mass-energy ?
- kderakhshani
- · Replies 10 ·
Graduate Killing vecotrs of Schwarzschild metric
- Vrbic
- · Replies 4 ·
Graduate Does Spaghettification contradict space/time swap in a black hole
- liron
- · Replies 7 ·
Graduate Derivatives in a non-trivial metric
- cj7529
- · Replies 7 ·