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 Is the Mass of a Photon Affected by its Energy?
- codjohns
- · Replies 6 ·
Graduate Cause of Gravity Force: Explaining Monopolar Attraction
- Bob Nesil
- · Replies 3 ·
Graduate Interpreting Stress-Energy Tensor Components for Klein-Gordon & EM Fields
- paweld
- · Replies 9 ·
Graduate Why is Motion Through Space Limited in Relation to Motion Through Time?
- dm4b
- · Replies 17 ·
Graduate Schwarzschild conservation of angular momentum
- Agerhell
- · Replies 14 ·
Graduate Minimal Coupling Needed for Covariant Energy Conservation?
- atyy
- · Replies 2 ·
Graduate Calculating RiemannScalar in 2-D: Where to Start
- ssamsymn
- · Replies 5 ·
Graduate Are clocks used in general relativity?
- nortonian
- · Replies 38 ·
Graduate Understanding Light Speed: The Impact of an Observer Moving at 10% C
- Naveen3456
- · Replies 20 ·
Graduate Mass bending space makes me think there's another side to space
- Seminole Boy
- · Replies 29 ·
Graduate Is Gravitational Time Dilation Affected by Gravitational Potential?
- Brute Force
- · Replies 1 ·
High School What is the meaning of E=mc^2?
- Ahmed Samra
- · Replies 2 ·
Undergrad Examples for gravitational time dilation
- Ahmed Samra
- · Replies 14 ·
Undergrad Explaining the equation of gravitational time dilation
- Ahmed Samra
- · Replies 3 ·
Undergrad Gravitational Time Dilation: Equation & Calculation
- Ahmed Samra
- · Replies 2 ·
Graduate What is the equation for gravitational time dilation?
- Ahmed Samra
- · Replies 9 ·
Undergrad Gravitational Time Dilation: Equation & Calculation
- Ahmed Samra
- · Replies 1 ·
Graduate Length contraction occurs infront of AND behind you?
- coktail
- · Replies 3 ·
Graduate How is acceleration equivalent to rest in a gravitational field
- Seminole Boy
- · Replies 12 ·
Graduate Can we extract energy from a gravitational field ?
- zn5252
- · Replies 19 ·
Undergrad Special and general relativity
- Ahmed Samra
- · Replies 7 ·
Undergrad Derivation of lorentz transformation
- ash64449
- · Replies 3 ·
Graduate Relativity of simultaneity through lorentz transformation
- ash64449
- · Replies 5 ·
Graduate Maxwell's equations in curved space-time
- ash64449
- · Replies 24 ·
Graduate Explanation of m&m experiment through sr
- ash64449
- · Replies 25 ·
Graduate Speed of light vs universe expansion
- djsubtronic
- · Replies 6 ·
Graduate Is the speed of light infinite?
- barbacamanitu
- · Replies 48 ·
Graduate Expanding/Collapsing Universe vs Bouncing Ball: Kinetic & Potential Energy?
- Spinnor
- · Replies 4 ·
Graduate Total velocity of resting object on earth from universal frame of refe
- cyboman
- · Replies 6 ·
Graduate GR Relation Reduces to Newtonian: Limits Explained
- center o bass
- · Replies 1 ·
Graduate Does Bending Space/Time Have Credibility?
- aleemudasir
- · Replies 3 ·
Graduate Poincare Transformation: Understanding its Properties and Group Structure
- Saeide
- · Replies 2 ·
Undergrad Acceleration vs. uniform motion: There are three rockets in deep space
- Seminole Boy
- · Replies 11 ·
Graduate Black Holes in String Theory - calculation help needed
- ilp89
- · Replies 8 ·
Graduate So you are driving a car at (almost) the speed of light
- ghoul31
- · Replies 7 ·
Undergrad Is There a Connection Between Time and Size in Physics?
- capcom1983
- · Replies 4 ·
Graduate Space-time curvature as gravity only for speeding particles?
- Edi
- · Replies 21 ·
Graduate Doubts in general theory of relativity
- ash64449
- · Replies 19 ·
Graduate Acceleration has begun to drive me crazy .
- Seminole Boy
- · Replies 12 ·
Graduate Is My Derivation of the Dominant Non-Linear Terms in MTW Exercise 19.3 Correct?
- zn5252
- · Replies 2 ·
Graduate Raising and lowering indices in Linearized theory
- zn5252
- · Replies 3 ·
Graduate Space Time Continuum: A Scientific Analysis
- Naveen3456
- · Replies 4 ·
Graduate Does matter break the light speed barrier after the event horizon?
- chestycougth
- · Replies 9 ·
Graduate Does mass physically bend space or is time being bent?
- Seminole Boy
- · Replies 67 ·
Graduate Does relativity permit tachyons given that they have negative gamma?
- Prote
- · Replies 4 ·
Graduate Does Relativistic Mass Affect Scale Readings Inside a Moving Rocket?
- Platformance
- · Replies 10 ·
Graduate Why can't u go faster than the speed of light when speed doesn't exist
- ghoul31
- · Replies 5 ·
Graduate Does Density Influence the Curvature of Spacetime?
- PhyHunter
- · Replies 3 ·
Graduate Speed of light in acclerated frame
- DiracPool
- · Replies 11 ·
Graduate What is the most counter-intuitive concept in the relativity theories?
- Seminole Boy
- · Replies 16 ·
Graduate Conservation of energy in general relativity & non-existence of PMMs
- sshai45
- · Replies 1 ·
Undergrad Time, Space & Light: Einstein's Theory Explained
- Naveen3456
- · Replies 2 ·
High School Acceleration and uniform motion are not making any sense
- Seminole Boy
- · Replies 17 ·
Graduate Mass of objects moving at the speed of light
- eyad-996
- · Replies 16 ·
Graduate Carroll Problem #15 of chapter 3 - As trivial as it seems?
- WannabeNewton
- · Replies 8 ·
Graduate Which Lagrangian is correct for SR?
- geoduck
- · Replies 8 ·
Graduate Ambiguity of time dilation/twin paradox
- ShreyasR
- · Replies 94 ·
Graduate Solving the "Paradox" in Galilean Relativity
- bigerst
- · Replies 1 ·
Graduate Black Hole Formation: Susskind's Scenario Explained
- mrspeedybob
- · Replies 1 ·
Graduate Demonstrating Metric Kerr Expression
- safaastro
- · Replies 3 ·
Undergrad Struggling to understand why uniform motion is so different from non-u
- Seminole Boy
- · Replies 19 ·
Undergrad Event Horizons and Star's mass relationship
- PhyHunter
- · Replies 1 ·
Graduate Time Dilation & Length Contraction, Further Thoughts
- Adrian07
- · Replies 55 ·
Graduate My problem with the relativity representation on gravity.
- jaydnul
- · Replies 70 ·
Graduate Is time in essence - constant?
- trickae
- · Replies 40 ·
Undergrad Are acceleration and deceleration the only ways we feel motion?
- Seminole Boy
- · Replies 20 ·
Graduate MTW, Chap19, Stationary relativistic Vs Weakly gravitating source
- zn5252
- · Replies 7 ·
Graduate Quantum vacuum as origin of light speed?
- lightarrow
- · Replies 6 ·
Graduate Postulates of SR without inertial frames?
- quasar987
- · Replies 31 ·
Graduate Photons effected by gravity of a Blackhole?
- sinesawsquare
- · Replies 3 ·
Graduate Deciphering the Christoffel Symbol and Potential in Shutz's Relativity Book"
- alejandrito29
- · Replies 3 ·
Graduate Feynman field transformations
- harpf
- · Replies 3 ·
Graduate If force is what causes gravity (motion), what is causing force?
- Seminole Boy
- · Replies 15 ·
Graduate Gravitation(angular deflection of a planet from a massive star)
- ErwinMoses
- · Replies 2 ·
Graduate A spaceship moving near the speed of light
- Naveen3456
- · Replies 11 ·
Graduate Can the Speed of Light Fluctuate Due to Changes in the Vacuum of Space?
- Serge58
- · Replies 7 ·
Graduate Quadruplet Paradox Question: Acceleration vs. Velocity
- Seminole Boy
- · Replies 19 ·
Graduate Black hole information paradox
- ArthurDent
- · Replies 44 ·
Graduate The Mystery of the Creeping Ray & Relativity
- AkInfinity
- · Replies 2 ·
Graduate Is gravity just an illusion in the universe?
- Naveen3456
- · Replies 13 ·
Undergrad Why matter can't reach the speed of light ?
- big_bounce
- · Replies 40 ·
Graduate One-way speed of light and clock sync
- nikolakis
- · Replies 51 ·
Graduate Would Photon Clocks be possible?
- tinypositrons
- · Replies 6 ·
Undergrad Can continuous acceleration reach speed of light?
- vipinpsharma
- · Replies 14 ·
Graduate Concerning how quickly gravity takes to effect distant bodies
- acesuv
- · Replies 11 ·
Graduate Why can't we just use one theory for everything?
- uperkurk
- · Replies 7 ·
Undergrad Understanding Special Relativity (beginner questions)
- meoryou
- · Replies 5 ·
Graduate Is the Twin Paradox Resolved by Considering the Metric of Spacetime?
- jaydnul
- · Replies 8 ·
Graduate Is there a simple way of deriving Lorentz transformation?
- dailin223
- · Replies 13 ·
Undergrad Time dilation and lorentz transformation
- nn542
- · Replies 11 ·
Graduate Understanding EM in GR: Maxwell's Equations and Particle Motion Explained
- quasar987
- · Replies 5 ·
Graduate Active and passive Lorentz transformation
- SpinorData
- · Replies 13 ·
Graduate Equation of Motion for a Point Mass Falling into an Infinitely Small Black Hole
- Binaryburst
- · Replies 16 ·
Graduate Time Dilation: Triplet Paradox makes no sense
- Seminole Boy
- · Replies 24 ·
Graduate Is Time Physically Dimensional or Just a Conceptual Shorthand?
- RealityQuest
- · Replies 7 ·
Graduate Relative acceleration of geodesics and spacetime curvature
- timmdeeg
- · Replies 21 ·
Undergrad What is the difference between separation in space and separation in time?
- enceladus_
- · Replies 15 ·
Graduate Understanding the Momentum-Energy Tensor in Einstein's Field Equations
- zepp0814
- · Replies 2 ·
Graduate Photon Acceleration Near Gravitational Fields
- big_bounce
- · Replies 10 ·
Graduate Higgs Boson vs GR's Spacetime: Is Mass Effect Obsolete?
- zepp0814
- · Replies 3 ·