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 Gravitational Waves: What Would Happen to Matter?
- jackyruth
- · Replies 1 ·
Undergrad Speed of Light: Constant or Not?
- adjacent
- · Replies 2 ·
Graduate How would torsion affect the particle equation of motion?
- pellman
- · Replies 8 ·
Graduate Different time accumulated on clocks
- Matis
- · Replies 8 ·
Graduate Is Analyzing an Accelerated Clock with Inertial Equations Justified?
- JM
- · Replies 26 ·
Graduate By definition the space time fabric must have mass.
- AmpedForay
- · Replies 2 ·
Undergrad Does SR and GR agree on Newton's Third Law of Motion ?
- SecretOfnumber
- · Replies 11 ·
High School What is the correct publishing date for General Relativity?
- deadscientist
- · Replies 5 ·
Graduate Electron Change & Tau Electrons at Close to Light Speed
- michb
- · Replies 10 ·
Undergrad Speed of light and dark matter
- mfarineau
- · Replies 70 ·
Graduate Understanding GR Perturbations: J. Albert's Guide
- rawsilk
- · Replies 3 ·
Graduate Explicit Proof of the Consistency of the Transverse-Traceless Gauge?
- NanakiXIII
- · Replies 1 ·
Graduate Some general formulae for circular orbits in symmetric spacetimes
- pervect
- · Replies 11 ·
Graduate Length Contraction and Time Dilation in Special Relativity
- Per Oni
- · Replies 14 ·
Graduate Cosmic censorship conjecture - status?
- martinbn
- · Replies 4 ·
Graduate About man falling into grate paradox
- Ookke
- · Replies 34 ·
Graduate Magnetic field of an electron and general relativity
- potatocar
- · Replies 2 ·
Graduate Gravitational energy between two point masses infinite? Surely not
- bcrelling
- · Replies 9 ·
Graduate Tetrad Formalism: Finding e^{a \mu}?
- ngkamsengpeter
- · Replies 7 ·
Graduate Question about inertial frames
- quasar987
- · Replies 11 ·
Graduate Tangent space in manifolds, how do we exactly define?
- LayMuon
- · Replies 27 ·
Graduate What's the connection between gravity and relativity?
- bcrelling
- · Replies 2 ·
Graduate Could Time Dilation be Caused by Increased Clock Energy?
- D.Hayward
- · Replies 3 ·
Graduate Schwarzschild/post-Newtonian circular orbital velocity
- Agerhell
- · Replies 24 ·
Graduate Bulging Black Hole caused by approaching object?
- philipp2020
- · Replies 7 ·
Graduate Is a Vector Space Always a Manifold in Special Relativity?
- atyy
- · Replies 15 ·
Graduate Determinant of the electromagnetic matrix
- zn5252
- · Replies 2 ·
Graduate Short Lorentz derivation problem …
- digi99
- · Replies 16 ·
Graduate Unifying proper acceleration and gravity?
- SpiderET
- · Replies 27 ·
Graduate Do we have two sets of co-ordinate systems when space-time is bent
- San K
- · Replies 6 ·
Graduate Dynamic solutions in time-independent spacetimes
- TrickyDicky
- · Replies 8 ·
Graduate Does an event horizon ever exist?
- photonkid
- · Replies 140 ·
Graduate High-Energy Doppler Shift & Pair Production
- Albertgauss
- · Replies 1 ·
Graduate Confusion about gravity and the fundamental forces
- acesuv
- · Replies 2 ·
Graduate Wald Problem 6.3: Reissner-Nordstrom Metric
- WannabeNewton
- · Replies 5 ·
Graduate Review article on astrophysical collapse to a black hole?
- bcrowell
- · Replies 8 ·
Graduate Can SR be mathematically proven to be self-consistent?
- JohnWisp
- · Replies 9 ·
Graduate Lorentz transformation, mistake but right formula (for light) ?
- digi99
- · Replies 2 ·
Graduate Speed of Light relation with time dilation
- wildfalcon
- · Replies 10 ·
Graduate Revisiting the Non-Static Newtonian Limit: Resolving Conceptual Issues
- NanakiXIII
- · Replies 19 ·
Graduate Can we do other than Lorentz (or Poincare) Transformation in SR?
- altsci2
- · Replies 12 ·
Graduate Gravitational non linearity: the glue of Black Holes
- Naty1
- · Replies 1 ·
Graduate Is the future just an illusion in the block universe model?
- oldGhost1
- · Replies 28 ·
Graduate Why does the speed of light have to be constant to all observers?
- Bobcent
- · Replies 4 ·
Undergrad Einstein's contribution post 1915
- jmatt
- · Replies 9 ·
Undergrad Light waves propagate with no medium
- mrcotton
- · Replies 3 ·
Graduate Question: does the physical curvature of spacetime ever move ?
- Seminole Boy
- · Replies 6 ·
Graduate Bob and Alice at the Event Horizon again.
- anorlunda
- · Replies 1 ·
Graduate What are the different equivalence principles and how are they related?
- ShayanJ
- · Replies 1 ·
Graduate Understanding the Relationship between Line Element and Length in Four Vectors
- asdqwe
- · Replies 1 ·
Graduate Where Does Gravity Begin? Examining the Stress-Energy Tensor
- SecretOfnumber
- · Replies 1 ·
Graduate Understanding Time Dilation: A Confusing Experiment Explained
- chocolatesheep
- · Replies 4 ·
Graduate How can gravity grasp on space time?
- medgalis
- · Replies 7 ·
Graduate Difference between jerk in accerlation and deceleration?
- Seminole Boy
- · Replies 7 ·
Graduate How does SR quantify the direction relative properties of inertia?
- James MC
- · Replies 11 ·
Graduate A silly question about gravitational waves
- Light Bearer
- · Replies 5 ·
Graduate Suppose you are far into deep space
- Forge
- · Replies 12 ·
Graduate Doubts in special theory of relativity
- ash64449
- · Replies 127 ·
Graduate How can angular momentum and relativity coexist?
- Seminole Boy
- · Replies 20 ·
Undergrad Why Does Light Take 8 Minutes to Reach Earth from the Sun
- stavragy
- · Replies 4 ·
Graduate Speed, Time and Relativity: A Lurker's Question
- DeadPoet
- · Replies 4 ·
Graduate Light Deflection & Speed: Gravity's Effect?
- zepp0814
- · Replies 4 ·
Graduate Applying Lorentz Transformation to 4-Velocity Vector
- ssamsymn
- · Replies 7 ·
Graduate Is GR Considered a Gauge Theory?
- TrickyDicky
- · Replies 54 ·
Graduate Speed of Light: Relative Measurement for 2 Observers
- rajeshmarndi
- · Replies 9 ·
Excellent video on General and Special Relativity
- 42Physics
- · Replies 7 ·
Graduate Does space have a physical role in the jerk of acceleration?
- Seminole Boy
- · Replies 7 ·
Graduate A novel way of defining coordinates?
- pervect
- · Replies 3 ·
Graduate Time Dilation & Space Contraction: I'm Confused
- andrepd
- · Replies 3 ·
Undergrad A phone call at the speed of light?
- sickenz
- · Replies 8 ·
Graduate Dust generated static space-time implications on fluid 4-velocity
- WannabeNewton
- · Replies 48 ·
Undergrad Black Holes Uniting: How Do They Crash?
- huhjinsoo
- · Replies 5 ·
Undergrad How does timedilation apply to things other than lightclocks?
- eyxenia
- · Replies 12 ·
Graduate Does the spinning of a wheel affect its aging compared to its surroundings?
- Warp
- · Replies 2 ·
Graduate Do you agree with my explanation of time dilation
- Seminole Boy
- · Replies 1 ·
Graduate Questions about closed timelike curves
- HomogenousCow
- · Replies 15 ·
Undergrad Question about relative motion: 3 Golden Retrievers in deep space
- Seminole Boy
- · Replies 12 ·
Undergrad Explaining the Physics Behind Light Speed: F=ma
- blanenotanewb
- · Replies 2 ·
Graduate Time dilation and length contraction
- AdamBenHamo
- · Replies 5 ·
High School Understanding Inertial reference frames
- saipathudut
- · Replies 54 ·
Graduate Total linear momentum does not conserved as viewed from other frame?
- m2sg
- · Replies 13 ·
Graduate Maxwell's Eq, Magnetic Monopoles, GR & Gravimag. Monopole?
- Spinnor
- · Replies 3 ·
Graduate Hypothetical thought experiment about time dilation
- awalltep81
- · Replies 6 ·
Graduate Are Faster-Than-Light Effects Predicted by Special Relativity?
- tade
- · Replies 21 ·
Graduate Black Hole : Infalling Observer looking back
- A.T.
- · Replies 4 ·
Graduate Degrees of Freedom in Linearized Gravity (and beyond)
- NanakiXIII
- · Replies 6 ·
Graduate Is Light Moving in a Slant Direction Possible?
- ash64449
- · Replies 14 ·
Graduate Understanding Observation Frames in GR Theory
- HomogenousCow
- · Replies 8 ·
Graduate Still confusion in relativity of simultaneity and time dilation .
- ash64449
- · Replies 13 ·
Graduate Can Warp Drives Really Make Faster-Than-Light Travel Possible?
- tade
- · Replies 14 ·
Graduate Wormhole Problem: Limit of Acceleration?
- ericsaul
- · Replies 1 ·
Graduate Gravitational Length Contraction
- nigelscott
- · Replies 3 ·
Graduate Schwarzschild Metric & Satellite Orbits: A Question
- TrueBlue1990
- · Replies 3 ·
Graduate Meaning of Schwarzschild solution in isotropic/anisotropic coordinates
- Agerhell
- · Replies 12 ·
Graduate Coordinate patches on curved manifolds
- joda80
- · Replies 22 ·
Undergrad Are descriptions of relative velocity arbitrary?
- coktail
- · Replies 10 ·
Graduate Relative velocity of light in special theory of realtivity?
- A Dhingra
- · Replies 17 ·
Graduate Writing the Einstein action in terms of tetrads
- julian
- · Replies 6 ·
Graduate Can someone interpret this Einstein quote?
- Seminole Boy
- · Replies 31 ·
Graduate Stress-energy tensor definition
- coleman123
- · Replies 7 ·