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 Vaidya/Lemaitre-Tolman metrics
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Graduate Cuurent statuses of theories of gravity
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Graduate Determining Speed of Muons: Exercise Problem
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Graduate How Can Energy Density Be Calculated from a Metric in General Relativity?
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Graduate Gravitational index of refraction
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Graduate Comparing Hartle, Schutz, and Ohanian for GR Beginner
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Graduate Still learning about tensors
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Graduate Mass to energy conversion at fraction of speed of light
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Undergrad Why can't we time travel in backward?
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Graduate Time-like Intervals and Causality
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Graduate What is the Belt Paradox in Interferometrics Cart Phenomenon?
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Graduate Camera near the speed of light
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Graduate Can two metrics be superposed?
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Graduate General Relativity at the microscopic level
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Graduate When the Schwarzschild radius is inside the star
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Graduate Twin and ladder paradoxes help really bugging me
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Graduate Pioneer Anomaly Solved - Reflective Thermal Model
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Graduate Deriving EFE from the Bianchi Identities
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Graduate How do I calculate time dilation due to acceleration in SR please?
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Undergrad Gravity and other fundamental forces
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Graduate Covariant and Contravariant Kronecker Delta operating on Tensor
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Graduate Does gravity have effects through time?
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Graduate Question about static spacetime
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PF Logo Contest: Theory of Relativity
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Graduate Deriving the Schwarzschild Metric
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Graduate Difficulty in learning tensors
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Graduate I forgot what this is called and what is is written out.
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Graduate Concerning the importance of preffered time coordinates
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Graduate GR Class: Is it Enough to "Know" General Relativity?
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Undergrad Relative Velocity: How Newton & Einstein Used Light Speed
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Undergrad Two Balls in Space: An Observer's Perspective
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Graduate Do Gravity Waves Influence Quantum Particles and Dark Matter?
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Graduate Relativistic Momentum Derivation Help
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Graduate Lorentz Factor: Significance & Consequences
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Graduate Cygnus X-1 is nearly extremal.
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Graduate Need help resolving this paradox with time dilation
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Graduate Einstein's Train and Lightning Bolt Simultaneity Situation
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Graduate Tensor transforming law problem / metric-delta contraction
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Graduate Einstein Tensor Divergence Proof: How to Show it is Divergence-Free?
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Graduate What would the universe be like if c were not uniform
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Undergrad Understanding Einstein's E=mc^2 Theory
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Undergrad Gravitational Force on a Body: Is it Absolute?
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Undergrad Black Hole Gravity: Mass vs Distance
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Graduate Derivation of Relativistic Momentum WITHOUT using Relativistic Mass?
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Graduate Gravitation and Space Time warps
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Graduate Rocket-man measuring speed of light
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Undergrad Relativistic Momentum Help With Equation Reduction
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Graduate Can Exceeding the Speed of Light Reverse Cause and Effect?
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Graduate Twin Paradox with no asymmetry
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Graduate Time travel by going fast in a spaceship: questions
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Undergrad Check My Relativity Video for an Engineer | Answer His Question on Light's Speed
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Graduate Lorentz contraction in other dimensions?
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Graduate The General Relativity Metric and Flat Spacetime
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Graduate Godel and The Philosophy of Special Relativity
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Undergrad Calculating Solution to Sketch: Help Needed
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Graduate Can we have a dedicated thread for FAQ requests?
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Graduate Bullet-hole Paradox: Train Frame & Stopped Train Measurements
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Graduate Find Poincare Transform for Momentarily Co-Moving Reference Frame
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Graduate Can We Manipulate Space-Time with Different Types of Energy?
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Graduate Michelson-Morley experiment(s)
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Graduate Two different velocity variables in relativistic momentum?
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Undergrad Magnetism to test for movement?
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Graduate Not Understanding Time Dilation.
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Graduate Creating a Target with 3 Photons in SR Propagating Sphere of Light
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Graduate What is the correct condition for the winning pulse in special relativity?
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Graduate 5D Space,Higher Dimensions etc.
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Graduate Completely General Lorentz Transformation
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Graduate Understanding Time Dilation: The Paradox of Aging in Outer Space
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Graduate Space-Time Curvature: Causes & Movement
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Graduate Not Understanding Time Dilation - mk 2.
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Graduate Why Is K-Calculus Confusing in Understanding Special Relativity?
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High School Unraveling the Mystery of E=mc2: Speed of Light
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Graduate How is an electric field induced in a wire loop moving through a B field?
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Graduate Energy-momentum of gravitational waves
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Graduate Is time dilated if gravity is pulling equally in all diections?
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Graduate Backreaction of accelerated motion on spacetime curvature
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Graduate More thoughts on the twin paradox. One persons view has to be an illusion?
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Graduate Parallel Projection of 3-space unto a plane at c.
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Graduate How Does the Poincare Group Relate to Special Relativity and Reference Frames?
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Why is the Tortoise Coordinate Called That?
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Graduate Can light have lateral momentum, and if so, as a particle or wave or both?
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Undergrad Possibly simplistic question about massive moving objects
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Graduate Performing a Global Boost in General Relativity: A Brief Guide
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Graduate Lorentz Transformation Derivation
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Graduate Help resolving absolute motion paradox please.
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Graduate Why is the light clock accurate?
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Graduate Understanding Special Relativity: Time Dilation and Space Contraction Explained
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Undergrad Is Time Travel Possible and How Does it Work?
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Graduate Deriving GR from maximum power
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Graduate Can Negative Time Alter Our Understanding of Physics?
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Graduate Does spinning a massive sphere create extra gravity pull?
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High School The C is the speed of photon ( light ) ?
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Graduate Length and Distance Contraction
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Graduate Could black holes form without a singularity?
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Graduate Quantum current density in general relativity
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Graduate Does Gravity Cause Accelerating Charged Particles to Emit EM Radiation?
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Graduate Question about Relativity of simultaneity and light clocks
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Graduate Advances in michelson morley interferometer
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Graduate Logarithmic spiral photon orbits
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Graduate Is Time Measurement Unidirectional and Irreversible?
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