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 deviation of matter travelling near c by a massive body
- adrian_m
- · Replies 9 ·
Graduate Why Do Physicists Care About Causality?
- ChrisVer
- · Replies 8 ·
Graduate Parrallel transport on the 2-sphere
- space-time
- · Replies 9 ·
Graduate Metric Tensor Components: Inverse & Derivatives
- ChrisVer
- · Replies 1 ·
Graduate Relative velocity of two spaceships passing each other
- inkskin
- · Replies 1 ·
Graduate When can we approximate General Relativity to Newtonian Gravity?
- vlemon265
- · Replies 10 ·
Graduate The Block Universe: Examining the Rietdijk-Putnam Argument
- PeterDonis
- · Replies 46 ·
Undergrad If everything is relative to each other in this universe
- !Jon Snow!
- · Replies 7 ·
Undergrad Relativity & "Measured" Velocities: Exploring Asimov's Understanding Physics
- ViolentCorpse
- · Replies 27 ·
Graduate Hafele-Keating with the plane as reference frame?
- Diploria
- · Replies 14 ·
Graduate Covariant macroscopic electromagnetism
- Dale
- · Replies 11 ·
Graduate Solving the "Moon Big Ben" Dilemma - Gravities vs Time
- Wes Tausend
- · Replies 10 ·
Undergrad Schwarzschild Radius of Masses Other Than Black Holes
- FanticalZappy
- · Replies 2 ·
Undergrad Relativistic Time, Length, Mass
- weirdobomb
- · Replies 6 ·
Graduate Understanding Acceleration in General Relativity
- ShayanJ
- · Replies 11 ·
Graduate Confusion over relativistic mass equations
- DiracPool
- · Replies 16 ·
Graduate Is there any particular reason on why I keep getting flat space?
- space-time
- · Replies 3 ·
Graduate What is the rationale behind the possibility of wormholes?
- CookieSalesman
- · Replies 1 ·
Graduate Symmetry of Riemann Tensor: Investigating Rabmv
- space-time
- · Replies 1 ·
Graduate Which branch of topology to study
- shounakbhatta
- · Replies 3 ·
Graduate Is there any difference between Metric, Metric Tensor, Distance Func?
- devd
- · Replies 11 ·
Graduate "Centrifugal Force Reversal" Near a Black Hole
- PeterDonis
- · Replies 1 ·
Graduate Review of relativity lab measuring time dilation with GPS
- piareround
- · Replies 7 ·
Graduate Manipulation within the Einstein Tensor in Einstein field equations
- space-time
- · Replies 6 ·
Graduate What is a metric for uniformly moving frame?
- wil
- · Replies 50 ·
Undergrad Newton's Second Law (relativistic)
- neilparker62
- · Replies 10 ·
Graduate GPS and Relativity: Impact of Time Dilation on Earth and Satellites
- stevebd1
- · Replies 1 ·
Undergrad Time dilation due to changing the speed of rotation of the earth
- Eel13
- · Replies 10 ·
Graduate MMX and the extinction theorem
- pgf
- · Replies 14 ·
Graduate Local Conformal Transformation: Coord or Metrical?
- Johanna222
- · Replies 2 ·
Graduate A ball falls with no force acting on it
- inertiaforce
- · Replies 8 ·
Graduate Schwarz's Metric Gamma: Inertial Coordinates & Time Dilation
- ChrisVer
- · Replies 11 ·
Graduate Draft re Ricci vs Riemann tensors
- andrewkirk
- · Replies 1 ·
Graduate Kinnersley Metric: Details, Form, Reference?
- Markus Hanke
- · Replies 4 ·
Graduate Can photon be at rest or does it have to travel at the speed of light?
- !Jon Snow!
- · Replies 5 ·
Graduate Spin and torsion of the connection
- kroni
- · Replies 6 ·
Graduate Black Hole via charge compression
- michael879
- · Replies 35 ·
Graduate The question: What are the components of the gab metric in Kaluza-Klein theory?
- shounakbhatta
- · Replies 1 ·
Graduate Difference between timelike and space like events
- clumps tim
- · Replies 3 ·
Undergrad Does speed of light change in strong gravitational fields?
- GeorgeBaxter
- · Replies 19 ·
Graduate Why do the space time get curved around a massive object?
- TheParadox
- · Replies 2 ·
Graduate Postulates of STR: Light Speed Constant in All Inertial Frames
- manimaran1605
- · Replies 4 ·
Graduate Short question about length contraction
- HALON
- · Replies 38 ·
Graduate Verify Summation in Christoffel Symbols Formula
- space-time
- · Replies 2 ·
Graduate Questions about the Riemann Tensor
- space-time
- · Replies 28 ·
Graduate Evidence of Special Relativity
- webb202
- · Replies 5 ·
Graduate Derivation of Lorentz transformation (time)
- rem45
- · Replies 7 ·
Graduate Geodesic Conjugate Points Explained
- cr7einstein
- · Replies 3 ·
Graduate EM Tensor & GR: Does Space Curvature Impact EM Field?
- kroni
- · Replies 4 ·
Graduate Deriving Lorentz contraction from Michelson-Morley experiment
- dsoodak
- · Replies 11 ·
Graduate Equations of state for photon gas
- andrewkirk
- · Replies 0 ·
Graduate Einstein tensor in the FLRW frame
- andrewkirk
- · Replies 1 ·
Graduate Energy conservation in a FLRW spacetime
- andrewkirk
- · Replies 0 ·
Graduate On the origin of gravity. (Mass, or energy density?)
- Dr Cadaver
- · Replies 6 ·
Graduate Original derivation of Papapetrou equations
- WannabeNewton
- · Replies 3 ·
Graduate Time Shown on Clock Face of Moving Observer: Raytracing in Relativistic Flight
- m4r35n357
- · Replies 3 ·
Graduate 4-Velocity and World Line Parameterization
- pmr
- · Replies 4 ·
Graduate How did Einstein simplify the units of c?
- Sunnyocean
- · Replies 18 ·
Graduate Questions on length contraction in train light clock experiment?
- helpmeplz!
- · Replies 9 ·
Graduate Schwartzchild Radius Adjustment: Susskind's Online Lecture Series
- pnmeadowcroft
- · Replies 5 ·
Graduate Deriving Schwarzschild Metric: How to Come Up with a Proper Ansatz?
- space-time
- · Replies 1 ·
Graduate Proof of impossibility of superluminal signals?
- kochanskij
- · Replies 74 ·
Graduate Lorentz Transformations: 2 Formulas for Time (t)
- len
- · Replies 2 ·
Graduate Galaxies traveling faster than c away from each other
- ExecNight
- · Replies 15 ·
Undergrad Is Time Dilation Considered in Determining the Age of the Earth?
- deadcat
- · Replies 21 ·
Graduate Expanding Universe: Questions Beyond Our Sight
- lnsanity
- · Replies 2 ·
Graduate Did Rindler coin the term "Event Horizon"?
- PhysicistMike
- · Replies 3 ·
Graduate Help Interpreting Person's Work on Solving Einstein Field Eqns
- space-time
- · Replies 5 ·
Graduate Question about reverse tracing the Einstein field equations
- space-time
- · Replies 3 ·
Graduate Can Memory Invalidate the Symmetry in Special Relativity's Thought Experiments?
- Noa Drake
- · Replies 37 ·
Undergrad Clocks and Gravity: How Earth's Movement May Affect Timekeeping
- Newcopernicus
- · Replies 7 ·
Undergrad What is the fabric of space time really like?
- Cyber Space
- · Replies 15 ·
Graduate Pseudo-complex General Relativity: Peter O. Hess & Walter Greiner
- tom.stoer
- · Replies 1 ·
Graduate Relativity Questions: Answers Explained
- TheScienceOrca
- · Replies 2 ·
Graduate Determination of Lorentz transform from euclid geometry
- atto
- · Replies 31 ·
Graduate Effect of photon gravity on another photon traveling in the opposite d
- Sting33
- · Replies 18 ·
High School Uncovering the Secrets of Gravity: Theories and Discoveries Shared
- Cyber Space
- · Replies 18 ·
Graduate A clock tower puzzle in a gravitational field
- rlshuler
- · Replies 3 ·
Graduate What does the mass M_0 in Schwarzschild's metric represent in a vacuum solution?
- ChrisVer
- · Replies 3 ·
Graduate Why no "Slow Light" (or slow something)
- Saxon Violence
- · Replies 5 ·
Local Gravity: Explanation & Demo in New Video
- A.T.
- · Replies 1 ·
Graduate Generating Artificial Fields on Satellites: Effects?
- Fival
- · Replies 2 ·
Graduate Dark energy and space time curvature
- PASHUPATINATH
- · Replies 2 ·
Graduate How much does relativity effect matter?
- thefredman
- · Replies 11 ·
Graduate Is our current math even suited for general relativity ?
- feyn
- · Replies 5 ·
Graduate Relativistic velocity addition
- DiracPool
- · Replies 6 ·
Graduate Does a light beam bend in an accelerating elevator?
- inertiaforce
- · Replies 7 ·
Graduate Multiplying Christoffel Symbols w/o Overloading Indices
- space-time
- · Replies 1 ·
Graduate Can the Ricci Tensor be Simplified Further? Suggestions Needed!
- space-time
- · Replies 1 ·
Graduate Is it possible to decouple inertial and gravitational mass?
- martix
- · Replies 22 ·
Graduate Theory of Relativity, "you can't tell which mass is moving"
- TheScienceOrca
- · Replies 10 ·
Graduate Possibly solved the metric without field equations
- grav-universe
- · Replies 11 ·
Graduate Relativity and the universal speed limit
- helpimagenius
- · Replies 12 ·
Graduate See Earth's Surface from the Past: Resolution Possible?
- GreenAce92
- · Replies 4 ·
Graduate Coordinate Charts vs Generalized Coordinates
- Dale
- · Replies 1 ·
Graduate Riemann curvature of a unit sphere
- McGravity
- · Replies 13 ·
Graduate Inertial & Non-Inertial Frames: Light Wavelengths
- HALON
- · Replies 3 ·
Graduate Proving Variation of Metric K^{a b} with Killing Vector
- feiye
- · Replies 6 ·
Graduate Particle Content of a Given State: Unruh Effect Explained
- victorvmotti
- · Replies 1 ·
Graduate Contracted Christoffel Symbols
- space-time
- · Replies 2 ·