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 Experiment Showing Relativistic Effects in PD Acceleration
- RK1992
- · Replies 4 ·
Graduate Things that can't happen on a manifold
- bcrowell
- · Replies 21 ·
Graduate Is it possible that black holes do not exist?
- rjbeery
- · Replies 52 ·
Graduate Why Is It Impossible To Reach The Speed Of Light?
- johnnya
- · Replies 52 ·
Graduate How does the concept of light speed affect our understanding of time?
- -=Red=-
- · Replies 25 ·
Graduate Can Light Emission Be Explained Through Newtonian Physics?
- Austin0
- · Replies 87 ·
Undergrad Artificial gravity meeting zero gravity
- icez
- · Replies 35 ·
Graduate Motion in Spacetime (using internal forces), swimming/gliding.
- Sbaraka
- · Replies 9 ·
Graduate Regarding quasars not showing signs of time dilation.
- theouthouse66
- · Replies 6 ·
Undergrad Same old song and dance - special relativity
- jinksys
- · Replies 21 ·
Graduate Schwartsschild from Newton + Relativity
- selfAdjoint
- · Replies 6 ·
Graduate Space-Time curvature? the units?
- MoonAlex
- · Replies 5 ·
Graduate Does heat generate additional gravity
- BrianConlee
- · Replies 2 ·
Graduate Speed of Light in Cesium Vapors
- Ralph Spencer
- · Replies 5 ·
Graduate GR with Riemannian ( ) metric?
- petergreat
- · Replies 4 ·
Graduate Clock rates and effective ptotential.
- yuiop
- · Replies 27 ·
Graduate Gravitational lensing paradoxon
- mersecske
- · Replies 2 ·
Graduate Eddington Finkelstein Coordinates + Black Holes
- discjockey
- · Replies 5 ·
Graduate Please set me straight about velocity based time travel
- bobbarker00
- · Replies 1 ·
Graduate Maxwell's equations in curved spacetime.
- eok20
- · Replies 3 ·
Graduate Can we use the Schwarzschild metric under the horizon?
- mersecske
- · Replies 9 ·
Graduate Proving the Universality of Physical Laws: A Challenge for Kev
- Myslius
- · Replies 42 ·
Undergrad Speed of Light: Can We Reach It?
- agent_509
- · Replies 2 ·
Graduate How to Calculate the Variation of Quadratic Action for Riemann Tensors?
- archipatelin
- · Replies 1 ·
Is Time Slowing Down? Scientists Weigh In
- elbeasto
- · Replies 5 ·
Graduate Is this why relativity and quantum physics don't mix?
- least_action
- · Replies 4 ·
Graduate Time Travel and the Conservation of Matter Problem
- spl3001
- · Replies 8 ·
Graduate What Does the r=0 Singularity Represent as an Event at Fixed Time in Spacetime?
- mersecske
- · Replies 1 ·
Graduate Gravitational time dilation vs velocity time dilation
- rhenretta
- · Replies 22 ·
Undergrad Proving Special Relativity Wrong: Experiments & Particles
- moses99
- · Replies 2 ·
Graduate Elementary question - Special relativity
- endverse
- · Replies 2 ·
Graduate What Does Newton's Bucket Paradox Reveal About Motion and Inertia?
- Buckethead
- · Replies 160 ·
Graduate Stone's derivation of Thomas rotation
- Rasalhague
- · Replies 142 ·
Graduate Integrating an accelerating Worldline
- Austin0
- · Replies 69 ·
Graduate Light has mass, and it travels at the Speed of light, so a massless object .
- iAWESOME
- · Replies 2 ·
Graduate Cosmic Relativity: C. S. Unnikrishnan's Reassessment
- mysearch
- · Replies 18 ·
Moving though space but not time?
- s1c0
- · Replies 15 ·
Graduate Maxwell's Equations in the Light of General Relativity
- Anamitra
- · Replies 4 ·
Graduate General Relativity and a Force Mediating Graviton?
- Zhabka
- · Replies 4 ·
Graduate Is this a way to move faster than c?
- rede96
- · Replies 132 ·
Graduate A few simple questions about clocks moving slow relative to observers
- LBrandt
- · Replies 18 ·
Graduate Is Time a Fundamental Element of the Universe or Just an Illusion?
- Ratzinger
- · Replies 25 ·
Graduate The scope of inertial time dilation?
- mysearch
- · Replies 13 ·
Traveling at the speed of light in orbit around a black hole
- Somedude99
- · Replies 6 ·
Undergrad Why do we have red shift and blue shift, and not only one?
- AntigenX
- · Replies 18 ·
Graduate Are forces subject to the doppler effect?
- kmarinas86
- · Replies 2 ·
Graduate Satisfies Killing equation, but not a Killing field?
- bcrowell
- · Replies 3 ·
Graduate Schwarzschild metric not stationary inside the horizon?
- bcrowell
- · Replies 3 ·
Undergrad 2 spinning or orbitting objects and their effect on time
- trebe
- · Replies 8 ·
Graduate Question about calculating time dilation of clocks at sea level
- plenum1
- · Replies 12 ·
Graduate Is Non-reciprocal Time Dilation Possible in This Scenario?
- Austin0
- · Replies 22 ·
Graduate What is the significance of the Rubik Group in combinatorial species theory?
- Chris Hillman
- · Replies 8 ·
Graduate A beam of light compared to bullet in gun
- freshnfree
- · Replies 16 ·
Graduate Diffeomorphism invariance and Noether's theorem
- cuallito
- · Replies 7 ·
Graduate Length Contraction Euclidean Space
- vengy
- · Replies 13 ·
Graduate How does the energy and time dilation of objects moving at high speeds work?
- Aeodyn
- · Replies 13 ·
Graduate Dimensional Rifts, Windows, Einstein-Rosen Bridge & other Mindbenders
- DeepCoverage
- · Replies 2 ·
Graduate Special Relativity and the Particle-Antiparticle Problem
- Anamitra
- · Replies 2 ·
Graduate Faster Spinning Earth: Gravitational & Centrifugal Affects
- boffinwannabe
- · Replies 7 ·
Graduate Is the speed of light always constant in non-inertial frames?
- Anamitra
- · Replies 27 ·
Graduate General relativity time dilation
- TrickyDicky
- · Replies 1 ·
Undergrad Would the other end move instantaenously
- kevevans
- · Replies 24 ·
Graduate What Did Fizeau's Experiment Reveal About Motion and Ether?
- Reshma
- · Replies 4 ·
Graduate Is there any reason for tensor indices being ordered one way or the other?
- CPL.Luke
- · Replies 12 ·
Graduate Is the Grandfather Paradox a Flaw in Time Travel's Cause and Effect?
- Amateur001
- · Replies 10 ·
Graduate Time Travel: Will it ever be possible, how soon, how far, etc.
- mlw
- · Replies 17 ·
Graduate Can Special Relativity Predict Gravitational Effects?
- snoopies622
- · Replies 52 ·
Undergrad Surpassing the speed of light.
- Paindealer
- · Replies 22 ·
Graduate Change in internal energy => change in rest mass
- AcidRainLiTE
- · Replies 1 ·
Graduate Why Do We Use the Speed of Light to Measure Time in Minkowski Space?
- maxverywell
- · Replies 14 ·
Graduate Local lorentz tranformations of fermion action
- jdstokes
- · Replies 1 ·
Graduate Special Relativity/Lorentz Transformation Derived in two minutes
- yuedongxiao
- · Replies 26 ·
Graduate Speed of light in NON-inertial frames
- Curl
- · Replies 49 ·
Graduate Lorentz factor equal to infinity + lots of questions
- fluidistic
- · Replies 46 ·
Graduate Light implying consistency between QM and SR
- DaTario
- · Replies 4 ·
Graduate Another relativity check please.
- rede96
- · Replies 8 ·
Undergrad Is Gravity a function of mass or density
- curiouschris
- · Replies 7 ·
Graduate How do you derive E2= (pc)2 + (mc2)2
- kaleidoscope
- · Replies 12 ·
Undergrad Lorentz Transformations Question
- aguycalledwil
- · Replies 10 ·
Undergrad Does a photon have energy density?
- member 141513
- · Replies 4 ·
Graduate The Double Slit Experiment from a Photon Point of View
- Izhaki
- · Replies 7 ·
Graduate Question on lorentz transformation equations
- demonelite123
- · Replies 2 ·
Graduate Why is it a problem that gravity is so much weaker than the other forces?
- camel_jockey
- · Replies 4 ·
Graduate Doubts about Einstein Field Equations
- petergreat
- · Replies 4 ·
Graduate What software is commonly used for solving problems in relativity?
- jason12345
- · Replies 9 ·
Graduate So, the question is: Is the concept of a function contravariant?
- Troponin
- · Replies 3 ·
Graduate Help With Raising and Lowering Indices
- dm4b
- · Replies 8 ·
Graduate Does Time Variation Necessarily Imply Full Spacetime Metric?
- wonderingmd
- · Replies 2 ·
Graduate Does general relativity allow for faster than light travel?
- Jocko Homo
- · Replies 15 ·
Graduate Gravitation #3.14: Showing dF=0 as Geometric Version of Maxwell's Equations
- Living_Dog
- · Replies 3 ·
Undergrad Could the Speed of Light Have Changed Throughout History?
- argha
- · Replies 10 ·
Undergrad A little confused about how Relativity works?
- coldbreeze10
- · Replies 3 ·
Graduate Is it Possible to Travel Faster than the Speed of Light?
- James S Saint
- · Replies 205 ·
High School The Mystery of c^2 in Einstein's Famous Formula E=mc^2 Explained
- MarsWTF
- · Replies 27 ·
Graduate Relativistic particle in Coulomb potential - any analytic solution?
- petergreat
- · Replies 9 ·
Graduate Ideas to Exceed Light Barrier: Share Yours Here
- Caelus
- · Replies 15 ·
Graduate Photons in a Box Contribute Weight
- cbd1
- · Replies 38 ·
Graduate Problem with fluid mechanics part of GR derivation
- andrewkirk
- · Replies 5 ·
Graduate Is Velocity Addition in Special Relativity Contradictory?
- calebhoilday
- · Replies 156 ·
Graduate Energy conservation and universe expansion
- nomadreid
- · Replies 5 ·