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 Equivalence of Clocks in Gravitational Fields: A Thought Experiment
- yogi
- · Replies 94 ·
Graduate What Happens to the Circumference of a Rotating Disk in the Lab Frame?
- jimmd
- · Replies 2 ·
Graduate Energy-momentum density of point particle
- jostpuur
- · Replies 3 ·
Graduate Does Matter Float or Sink in Space?
- TR345
- · Replies 5 ·
Graduate Need a little help on special relativity.
- Hessian
- · Replies 2 ·
Graduate Electromagnetic wave propagation
- bernhard.rothenstein
- · Replies 4 ·
Graduate Accelerating frame in special relativity
- jostpuur
- · Replies 5 ·
Graduate Stress-energy tensor of a wire under stress
- pervect
- · Replies 178 ·
Graduate Is Empty Space Just a Bunch of Relationships Between Events?
- Joza
- · Replies 24 ·
Graduate Is General Relativity Fully Verified by Experimentation?
- jostpuur
- · Replies 6 ·
Graduate Uncovering the Mystery of Time: The Search for Physical Evidence and Definition
- incandescent
- · Replies 50 ·
Graduate Riding on a beam of light - time and space
- Physics-Learner
- · Replies 22 ·
Graduate Does Velocity Affect Gravitational Red Shift in Light Signals?
- duordi
- · Replies 38 ·
Undergrad Understanding Relativity from A and B's Point of View
- EternitysEnd
- · Replies 5 ·
Graduate Have You Seen this Transformation Equation Before?
- jostpuur
- · Replies 3 ·
Graduate Are gravitational fields additive?
- K.J.Healey
- · Replies 9 ·
Graduate Is Clock Synchronization Truly Possible According to Einstein's Theory?
- bernhard.rothenstein
- · Replies 18 ·
Graduate GPS Satellites & the Twin Paradox: Time Dilation Explored
- alvaros
- · Replies 32 ·
Graduate Does Gravity Have a Limiting Distance?
- Liger20
- · Replies 5 ·
Graduate Magnetism results from relativistic effects on a moving charge?
- Leon31415
- · Replies 2 ·
Graduate Can a Pseudo-Special Frame of Reference Eliminate Paradoxes in FTL Travel?
- Asok_Green
- · Replies 11 ·
Graduate Twin Paradox: Are Causes Relative?
- enridp
- · Replies 22 ·
Graduate Swartzchild metric and free fall
- daniel_i_l
- · Replies 9 ·
Graduate What is the relationship between black holes and time dilation?
- johatfie
- · Replies 73 ·
Graduate Accelerated Frames: Explaining an Observer's Perspective
- enridp
- · Replies 2 ·
Graduate Pythorean Theorem and General Relativity
- MetricBrian
- · Replies 10 ·
Graduate Anomalous refractive index? How doesnt this defie relativity
- phildoe
- · Replies 10 ·
Graduate Relativity Theory: What is needed?
- Umer_Latif
- · Replies 20 ·
Graduate Dark Energy Interation With Gravity?
- Aschere
- · Replies 8 ·
Graduate Relative speed of a photon - mk2
- michael879
- · Replies 11 ·
Graduate Conflict between electrodynamics and classical relativity?
- michael879
- · Replies 16 ·
Graduate Understanding Spacetime Diagrams: Event E & Coordinates in K & K
- jainabhs
- · Replies 4 ·
Graduate Length contraction from two inertial frames
- bernhard.rothenstein
- · Replies 7 ·
Graduate Length (and Mass) vs. Time Dilation
- hemmi
- · Replies 7 ·
Graduate Special Relativity vs General Relativity: T_{\mu\nu} = 0
- quasar987
- · Replies 6 ·
Graduate Two Body Problem in GR: Formulation & Solution
- Terilien
- · Replies 5 ·
Graduate Angle independence of Michelson-Morley type experiments
- birulami
- · Replies 3 ·
Graduate Special relativity particle observation puzzle
- StatusX
- · Replies 4 ·
Undergrad Does velocity affect mass in physics experiments?
- DeepGround
- · Replies 15 ·
Graduate Does light have its own gravity field?
- michael879
- · Replies 20 ·
Graduate Does black hole's gravity really travel out of it's own Event Horizon?
- srikkanth_kn
- · Replies 2 ·
Graduate Proof of Buchdal's Theorem | Show & Send Link
- Terilien
- · Replies 1 ·
Undergrad Not possible to shield gravitational forces
- lala-e-sehrai
- · Replies 1 ·
Graduate How does one construct the action which gives the equation of motion?
- arroy_0205
- · Replies 3 ·
Graduate Transformation of epsilon and miu
- bernhard.rothenstein
- · Replies 1 ·
Graduate Time as a Dimension: Is Time Expanding?
- JoeDawg
- · Replies 6 ·
Graduate Group Structure of Einstein Equations: Casimir Operator & Conserved Quantities
- Klaus_Hoffmann
- · Replies 17 ·
Graduate When is a derivation of the Lorentz transformation good
- bernhard.rothenstein
- · Replies 13 ·
Graduate Does a gravitational field have mass?
- duordi
- · Replies 8 ·
Graduate What are the key applications of Relativistic corrections in modern physics?
- taoke
- · Replies 1 ·
Graduate What is the relationship between mass and energy for massless particles?
- Kap160
- · Replies 3 ·
Undergrad Doppler effect / expanding universetrouble uniting both concepts?
- moe darklight
- · Replies 29 ·
Graduate Einstein-Hilbert action.
- Klaus_Hoffmann
- · Replies 2 ·
Graduate Relativistic thermodynamics problem
- bernhard.rothenstein
- · Replies 1 ·
Graduate No such thing as a stupid question, just stupid
- K.J.Healey
- · Replies 5 ·
Graduate NYT article about the speed of shadow > c
- EnumaElish
- · Replies 9 ·
Graduate Nothing can travel faster than light
- Dauden
- · Replies 8 ·
Undergrad What Is the Relative Nature of Light Speed?
- Little Franklin
- · Replies 23 ·
Graduate How do different theories of spacetime affect the concept of speed?
- Futobingoro
- · Replies 7 ·
Graduate What is the purpose of defining the matter tensor in general relativity?
- Proof.Beh
- · Replies 2 ·
Undergrad How Does the Twin Paradox Challenge Our Understanding of Time Dilation?
- newTonn
- · Replies 35 ·
Graduate Non-linear transformations for dummies
- JustinLevy
- · Replies 22 ·
Graduate Can We See an Object After It Disappears If It Travels Faster Than Light?
- chrisakel
- · Replies 3 ·
Graduate Gravitational polarity, called antigravity
- soliris
- · Replies 1 ·
Graduate Solving Detonator Paradox in Edwin F. Taylor's Spacetime Physics
- duordi
- · Replies 5 ·
Graduate Explaining Synchrotron Radiation in Electron's Frame
- mikejfe
- · Replies 2 ·
Graduate *pervect - Local Lorentz Frame
- pmb_phy
- · Replies 6 ·
Graduate Is the Vacuum a Preferred Frame of Reference in Quantum Mechanics?
- Klaus_Hoffmann
- · Replies 3 ·
Graduate Photon Associated with Electromagnetic Wave
- bernhard.rothenstein
- · Replies 9 ·
High School Black Holes: Is Super Dense Matter a Better Explanation?
- bikeaddict
- · Replies 8 ·
Graduate Can the Lorentz Transformations be derived with only two conditions?
- rahuldandekar
- · Replies 2 ·
Undergrad Why objects with different mass fall with same velocity?
- jainabhs
- · Replies 11 ·
Graduate How can a black hole be created, any model
- lalbatros
- · Replies 3 ·
Graduate The Effects of Relativity on a Bulb Setup
- anantchowdhary
- · Replies 8 ·
Graduate Why black holes can have static electric fields?
- magnetar
- · Replies 4 ·
Graduate Relativistic Mass: Does Spacetime Distort at High Velocities?
- K.J.Healey
- · Replies 18 ·
Graduate The Claim: Gravitation is acceleration.
- Gulliver
- · Replies 18 ·
People's Opinions on "Speed of Shadows
- madzientist
- · Replies 2 ·
Graduate Does Time Freeze Near a Black Hole's Event Horizon?
- kuahji
- · Replies 1 ·
Graduate Correct My Misunderstanding of Special Relativity
- guldurkhand
- · Replies 9 ·
Graduate Speed of light while chasing after it
- Sundu
- · Replies 10 ·
Graduate Deriving Field Equations of Einstein-Cartan Theory from Hilbert Action
- tetraedro
- · Replies 8 ·
Graduate Mass & Velocity Paradox: Solving a Relativity Conundrum
- H8wm4m
- · Replies 7 ·
Graduate Perfect fluid, stress energy tensor in the rest frame,
- Cusp
- · Replies 2 ·
Graduate Transforming E and B in Electromagnetic Waves Through Moving Media
- bernhard.rothenstein
- · Replies 2 ·
Graduate Proving 2nd Postulate of SR: Michelson-Morley Experiment
- ratn_kumbh
- · Replies 29 ·
Graduate No width contraction in Michelson Morley Experiment, why?
- birulami
- · Replies 5 ·
High School Can I Attain Any Velocity & Slow Down Time?
- The_Thinker
- · Replies 17 ·
High School The Feeling of Time Alone in Space
- brianthewhitie7
- · Replies 12 ·
Graduate What Are SL(2,C) and SO(1,3) in Lorentz Transformations?
- plxmny
- · Replies 2 ·
Graduate E=m'c^2: A Comprehensive Guide to Deriving the Famous Equation
- prasannapakkiam
- · Replies 9 ·
Graduate Particles collisions at speeds greater than c :surprised
- rfwebster
- · Replies 7 ·
Graduate Does the Rest Mass of Photon Gas Change with Unidirectional Motion?
- bernhard.rothenstein
- · Replies 27 ·
Graduate About the so-call two errors (mistakes) in Misner-Thorne-Wheeler
- dickeywang
- · Replies 1 ·
Graduate Gr-qc/921001 - the constraint algebra of general relativity
- shoehorn
- · Replies 1 ·
Graduate Stress-energy tensor and pressure
- jostpuur
- · Replies 3 ·
Graduate How did Maxwell build his theory
- lalbatros
- · Replies 4 ·
Graduate Was Einstein Wrong About Relativity of Simultaneity?
- longshinewoole
- · Replies 40 ·
Graduate What does Roy Kerr's new eprint reveal about the interior of black holes?
- Chris Hillman
- · Replies 2 ·
High School Simple Explanation of Relativity - Learn What Relativity Is
- Cookie_1993
- · Replies 10 ·