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 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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Graduate Inquiry about kinetic force in STR
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Graduate Covariant derivative of stress-energy tensor
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Graduate What is a Rest Frame and How Does it Relate to Photons and the Speed of Light?
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Graduate Question about equivalence principle
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Undergrad CONCERN about relativity, need a quick answer
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Graduate Is the speed of light constant
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Undergrad Why is speed of light 299 792 458 m / s
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Graduate Newbie question - Conceptualization of time dilation from matter's perspective
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Graduate The Curvature of Space and Acceleration Confusion
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Graduate Is energy conserved in cosmology according to the laws of thermodynamics?
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Graduate What Would Happen if We Travel at the Speed of Light?
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High School I have a couple questions on gravity
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Graduate A problem in general relativity
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Graduate How Does Time Dilation and Lorentz Contraction Fit Within SR Framework?
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Graduate Proving M_{0i} = 0 in Special Relativity
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Graduate Can you actually turn if you are travelling at c?
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Graduate What is a Space Structure in relativity?
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Graduate Covariant derivative of riemann tensor
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Graduate Accelerating to speed of light
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Graduate Question from the FAQ on Rest Frame of a Photon
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Graduate Light speed barrier / closing speed
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Graduate Why is the time dimension different from the 3 space dimensions
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Graduate Elementary questions about connections.
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Graduate Can more than one photon participate in pair-production?
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Undergrad How does gravity affect the passage of time?
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Graduate Gravitational Waves, Photons & the Uncertainty Principle
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Undergrad Composition of 2 Boosts in Special Relativity
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Graduate Time dilation in an electromagnetic potential
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Graduate Is the Speed of Light Truly Unattainable in Relativity?
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Undergrad Inelastic collision problem/ unequal masses.
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Graduate Interaction between charges in motion
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Graduate Does Time Dilation Affect Distance Measurements in Special Relativity?
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Graduate Frame Dragging & Black Holes: CTC Possibility?
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Undergrad Is the Twin Paradox Truly Unsolvable?
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Graduate Who’s spin in the Einstein-Cartan theory? Source’s or test particle's?
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Graduate Is Time Truly a Dimension or Something Else Entirely?
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