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 Sciama's Machian Origin of Inertia
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Undergrad Is Dark Energy the Cause of the Universe's Accelerating Expansion?
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Graduate Effect of Gravity on the Speed of Light
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Graduate Is the vacuum stress energy tensor Lorentz invariant ?
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High School Can gravity be destroyed explain
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Graduate Tachyonic Energies in a Minkowski Metric
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Undergrad Travel Instantly: Is Distance Still a Factor?
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Graduate Can Protons Reach 199.99998% the Speed of Light in Collisions?
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Graduate Do balck holes violate the constancy of the speed of light
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Graduate About the instability of wormholes
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Graduate Gravitational Acceleration and Rising Objects
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Graduate How Does Time Behave from the Perspective of Light in Relativity?
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Graduate Photons of different energy follow different geodesics?
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Graduate Is the Principle of Relativity Valid for Faster-than-Light Propagation?
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Graduate Is Time Reversed in Special Relativity When Moving Opposite to Light?
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Graduate Time dilation in acceleration or velocity
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Undergrad Basic questions on the speed of light
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Graduate Lightcones in advanced Eddington-Finkelstein coordinates
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Graduate Interference Pattern versus SR
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Undergrad Can light be transmitted through a fluid medium?
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Graduate Lorentz Contraction: Gaining Mass & Shrinking
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Graduate Does photon have a rest frame?
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Graduate What Would You See on a Relativistic Journey to a Distant Star?
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Undergrad Question of Relativity and the Speed of Light?
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Undergrad What is the speed of gravitational waves?
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Graduate Light in local reference frames in extreme gravitational fields.
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Graduate Is curved space cancelled between two massive bodies?
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Graduate Velocity addition formula for multiple velocities within each other
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Graduate Warping of space and special relativity?
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Undergrad Wormholes for Dummies: Calculating Distance
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Graduate Hi,After having studied special relativity, I sometimes see things
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Graduate What Does It Mean to Travel at the Speed of Light in the 4th Dimension?
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Graduate Why does E=MC² use the speed of light squared as a constant?
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Graduate Theories for Mechanisms Underlying SR/GR?
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Graduate Did I Witness a Moving Train or a Stationary One? The Mystery of Bolts of Light
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Graduate Would someone care to elaborate
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Undergrad Speed of Light Limit: Earth & Spaceships
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Graduate Is the flow of time at rest a universal constant?
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Graduate Is Time Travel Possible with Quantum Mechanics?
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Graduate 8-dimensional Minkowski spacetime
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Undergrad Timetraveller killing himself in the past
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Graduate Exercises of Schutz's First Course of General Relativity
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Graduate Relativistic aberration and locally measured electric flux density
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Graduate Higgs free space travelling, close to lightspeed possible ?
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Graduate Special Relativity Spacetime Intervals
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Graduate Inverse of an operator does not exist, can't see why
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Graduate Photon's disagree of the state of the universe?
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Undergrad A question on Special Relativity
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Graduate Anomalous acceleration of Pioneer 10 and 11
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Graduate Does Relativity Affect Electric Flux Through a Gaussian Surface?
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Graduate Relation between Time-Dilation and Radioactivity
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Graduate A question in the Feynman Lectures on physics,chapter 15-4
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Graduate Can Two Rockets Outrun Each Other's Light Signals in Space?
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Graduate Does the CMB move or is it static?
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Graduate Is there a contradiction here.
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Graduate Raising/Lowering indices and matrix multiplication
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High School Age of Universe relative to what?
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Graduate Infinite universe x Deceleration of expansion
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Graduate Brian Greene, spinning bucket and acceleration
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Graduate A mechanism for Mach's Principle?
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Graduate Inertial frames and related predictions
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Graduate Increase of Mass With Relative Velocity Proven?
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Graduate Doesnt information travel faster than light in case of black holes?
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Graduate Euclidean Quantum Gravity and its relevance
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Graduate Speed of light = oo mass = black hole?
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Graduate Geometric Understanding of Tensors.
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Graduate Does anyone else question general relativity?
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Graduate GR & Rotating Water: Mach's Principle Explained
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Graduate ST Does Spacetime Actually Curve?
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Graduate Vacuum Energy in SR: A Relativity Question
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Graduate Time Dilation and Space Travel: Is Wikipedia example wrong?
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Graduate Does FTL Travel Really Lead to Time Travel?
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Graduate What is a principal null direction
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Graduate Could Maximum Gravity Explain Curved Space Phenomena?
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Graduate Twins Paradox - but with a different spin
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Graduate The Elegance and Complexity of Theories Beyond Special and General Relativity
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Graduate Instantaneous communication, Aharanov-Bohm and the Coulomb Gauge
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Graduate Why isn't velocity a dimension in SR?
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Undergrad Unraveling the Time Dilation Argument: Does Speed Affect the Passage of Time?
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Graduate Correlating/deriving space time bend with law of gravitation
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Undergrad How To Travel at The Speed of Light
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Graduate SR - car with headlights - new twist
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Graduate 4-velocity transforms as a vector?
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Graduate 0.0018 degrees/year due geodetical effect
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Graduate Energy momentum of linearized gravity.
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Graduate Measuring curvature of space around a star
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Graduate How can a black hole evaporate instantly if speed of gravity is c?
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Undergrad Why the speed of light in the equation?
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Graduate Time dilation in minkowski diagrams
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Universal Rate of Movement = Time
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Graduate Time dilation and Length contraction in Saddle Geometries
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Graduate Traveling parallel to a ray of light through a gravitational field
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Graduate Lorentz Boosts in Group Representation (from Weinberg)
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High School Does time dilation affect the relative motion that causes it?
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Graduate What do I see if I was a particle at speed moving by a spaceship?
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Graduate Is Mass the Absolute Frame of Reference in the Universe?
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Undergrad SR vs. GR: Unraveling the Differences in These Two Theories of Relativity
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Graduate Gravity: How Fast Does it Travel?
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Graduate Timelike geodesics in Schwarzschild Metric.
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Graduate Time dilation vs effects of high speed motion
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