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 Time Dilation: Clarifying the Concept for Pat
- patapat
- · Replies 1 ·
Graduate Are Spacelike Movements Physically Possible in Our Universe?
- ice109
- · Replies 1 ·
Graduate Can Gravity Be Understood as a Gauge Theory Through Rovelli's LQG Approach?
- Klaus_Hoffmann
- · Replies 1 ·
Graduate Could wormholes be used safely for transportation?
- Friendlyel
- · Replies 6 ·
Graduate Gravitational Radiation Calculation from Rotating Rods
- Stas
- · Replies 1 ·
Graduate Does motion break existing symmetries?
- oldman
- · Replies 13 ·
Graduate Reducing the time invested in teaching SR
- bernhard.rothenstein
- · Replies 6 ·
Undergrad Throwing a string into a blackhole
- ice109
- · Replies 6 ·
Graduate Deriving Lorentz Transformation: Is it Time-Saving & Physically Correct?
- bernhard.rothenstein
- · Replies 21 ·
High School Does Time Move Relative to Space?
- drme1981
- · Replies 3 ·
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 Do moving clocks appear slow and moving objects appear slow in special relativity?
- Hessian
- · Replies 2 ·
Graduate Wave propagating from dielectric to vacuum
- 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 Does time have physical existence beyond time dilation effects?
- 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 Do GPS satellites compensate for time dilation from velocity and gravity?
- 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 Why do A and B give different causes for time dilation in the twin paradox?
- 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 Why doesn't a fast-moving mass appear as a black hole to a relativistic observer?
- 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 Why perpendicular to ct axis gives time coordinate in spacetime diagrams
- 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 How do we formulate and solve the two body problem in GR?
- 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 Buchdahl's theorem
- 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 Casimir operator and conserved quantities from Einstein equation group structure
- Klaus_Hoffmann
- · Replies 17 ·
Graduate When is a derivation of the Lorentz transformation good
- bernhard.rothenstein
- · Replies 13 ·
Graduate Does a gravitational field have rest 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 Why does light always travel at the same speed to all observers?
- 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 Why is the stress-energy tensor defined with those components?
- Proof.Beh
- · Replies 2 ·
Undergrad In the twin paradox, why doesn't time dilation cancel out in both frames?
- 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 How does an electron in its own frame explain synchrotron radiation?
- 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 Does a relativistic object's gravity increase with its velocity?
- K.J.Healey
- · Replies 18 ·
Graduate Is the claim that gravitation is acceleration accurate in general relativity?
- 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 Does relativistic mass increase violate conservation of energy?
- 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 Did Michelson-Morley prove the constancy of light speed?
- ratn_kumbh
- · Replies 29 ·
Graduate No width contraction in Michelson Morley Experiment, why?
- birulami
- · Replies 5 ·
High School If all velocity is relative, how do I move from point A to point B?
- 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 ·