Special and General Relativity Forum

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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.
Graduate Space-time curvature as gravity only for speeding particles?
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Graduate Doubts in general theory of relativity
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Graduate Acceleration has begun to drive me crazy .
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Graduate Is My Derivation of the Dominant Non-Linear Terms in MTW Exercise 19.3 Correct?
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Graduate Raising and lowering indices in Linearized theory
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Graduate Space Time Continuum: A Scientific Analysis
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Graduate Does matter break the light speed barrier after the event horizon?
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Graduate Does mass physically bend space or is time being bent?
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Graduate Does relativity permit tachyons given that they have negative gamma?
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Graduate Does Relativistic Mass Affect Scale Readings Inside a Moving Rocket?
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Graduate Why can't u go faster than the speed of light when speed doesn't exist
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Graduate Does Density Influence the Curvature of Spacetime?
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Graduate Speed of light in acclerated frame
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Graduate What is the most counter-intuitive concept in the relativity theories?
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Graduate Conservation of energy in general relativity & non-existence of PMMs
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Undergrad Time, Space & Light: Einstein's Theory Explained
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High School Acceleration and uniform motion are not making any sense
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Graduate Mass of objects moving at the speed of light
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Graduate Carroll Problem #15 of chapter 3 - As trivial as it seems?
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Graduate Which Lagrangian is correct for SR?
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Graduate Ambiguity of time dilation/twin paradox
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Graduate Solving the "Paradox" in Galilean Relativity
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Graduate Black Hole Formation: Susskind's Scenario Explained
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Graduate Demonstrating Metric Kerr Expression
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Undergrad Struggling to understand why uniform motion is so different from non-u
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Undergrad Event Horizons and Star's mass relationship
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Graduate Time Dilation & Length Contraction, Further Thoughts
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Graduate My problem with the relativity representation on gravity.
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Graduate Is time in essence - constant?
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Undergrad Are acceleration and deceleration the only ways we feel motion?
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Graduate MTW, Chap19, Stationary relativistic Vs Weakly gravitating source
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Graduate Quantum vacuum as origin of light speed?
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Graduate Postulates of SR without inertial frames?
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Graduate Photons effected by gravity of a Blackhole?
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Graduate Deciphering the Christoffel Symbol and Potential in Shutz's Relativity Book"
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Graduate Feynman field transformations
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Graduate If force is what causes gravity (motion), what is causing force?
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Graduate Gravitation(angular deflection of a planet from a massive star)
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Graduate A spaceship moving near the speed of light
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Graduate Can the Speed of Light Fluctuate Due to Changes in the Vacuum of Space?
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Graduate Quadruplet Paradox Question: Acceleration vs. Velocity
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Graduate Black hole information paradox
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Graduate The Mystery of the Creeping Ray & Relativity
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Graduate Is gravity just an illusion in the universe?
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Undergrad Why matter can't reach the speed of light ?
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Graduate One-way speed of light and clock sync
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Graduate Would Photon Clocks be possible?
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Undergrad Can continuous acceleration reach speed of light?
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Graduate Concerning how quickly gravity takes to effect distant bodies
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Graduate Why can't we just use one theory for everything?
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Undergrad Understanding Special Relativity (beginner questions)
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Graduate Is the Twin Paradox Resolved by Considering the Metric of Spacetime?
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Graduate Is there a simple way of deriving Lorentz transformation?
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Undergrad Time dilation and lorentz transformation
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Graduate Understanding EM in GR: Maxwell's Equations and Particle Motion Explained
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Graduate Active and passive Lorentz transformation
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Graduate Equation of Motion for a Point Mass Falling into an Infinitely Small Black Hole
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Graduate Time Dilation: Triplet Paradox makes no sense
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Graduate Is Time Physically Dimensional or Just a Conceptual Shorthand?
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Graduate Relative acceleration of geodesics and spacetime curvature
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Undergrad What is the difference between separation in space and separation in time?
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Graduate Understanding the Momentum-Energy Tensor in Einstein's Field Equations
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Graduate Photon Acceleration Near Gravitational Fields
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Graduate Higgs Boson vs GR's Spacetime: Is Mass Effect Obsolete?
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Graduate SR Vectors & Tensors: Transformations Explained
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Graduate EM Tensor Invariants - Are There More?
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Graduate Time in the reference frame of the photon and aswell curved spac
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Graduate Regular empirical evidence of curved space or massless photons?
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Graduate Possible mistake in an article (rotations and boosts).
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Graduate How is C speed invariance - hows it suppose to work mechanically?
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Graduate How does the world look like after a Lorentz transformation?
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Graduate Is this 4-velocity tangential to the worldline
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Graduate Gravitational time dilation from the metric
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Graduate Derivation of the Geodesic equation using the variational approach in Carroll
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Graduate Diffeomorphic Invariance implies Poincare Invariance?
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Undergrad How Strong is the Gravity of a Black Hole Compared to Earth?
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Graduate Acceleration to near light speed - where does the energy go?
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Graduate Simplified theories for gravity?
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Graduate Metric constraints in choosing coordinates
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Graduate Stars moving faster than the speed of light
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Graduate Length contraction of space with multiple reference frames
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Graduate How to reconcile photon not experiencing time with it's travel time?
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Graduate Metric tensor - index manipulation
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Graduate Momentum of Object in 0.6c Inertia Frame
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Graduate How Can We Calculate Relativistic Velocity for an Interstellar Journey?
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Graduate SRT Clocks Again Einstein, 1905: Q&A
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Graduate Do gravity and density have a direct relationship?
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Graduate Freely Falling Inertial As Seen By Distant Inertial Observer
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Graduate Understanding the Universe through the Perspective of Light
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Graduate Is the speed of light truly constant in all reference frames?
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Graduate Deriving Einstein tensor, Riemmann tensor step
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Graduate Adding Velocities: Newbie Question on Special Relativity
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Graduate What is most likely to be the actual explanation of gravity?
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Undergrad Acceleration in a Closed Box: Uniform or Varied?
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Undergrad Are we moving at the speed of light?
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Undergrad Question for Special Relativity
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Graduate Gravitational time dilation in the center of a mass
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Graduate Contracting R_{αβ} to R^ρ_αβσ: No 16 Multiplier
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Graduate Why there are no other kind of length contractions?
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Undergrad Point of reference in relative time
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