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 Software for celestial mechanics
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Graduate A person travelling through a geodesic.
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Graduate GR without Geommetry or coordinates.
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Undergrad How to apply e=mc^2 to a photon?
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Graduate What does a light particle see?
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Undergrad Can Sound Travel Faster Than Light?
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Undergrad Newbie question about time dilation
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Graduate Explore Space-Proper-Time Diagrams - Where's the Catch?
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Graduate Should a General Relativitist Study Math Proofs?
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Graduate Can quadropoles slow down gravitational radiation?
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Graduate Is There a Universal Group Contraction for Lorentz and Galilean Groups?
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Graduate Objects near the speed of light
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Graduate Superluminal Velocity: Reports & Implications
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Graduate How Accurate Is the Math in the Hafele and Keating Experiment Analysis?
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Undergrad How Does Mass Influence the Curvature of Spacetime?
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Graduate Is the schwarzchild radius a radius of curvature?
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Undergrad Twin Paradox: Special Relativity Theory Explained
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Graduate Formal definition of the Equivalence Principle(s)
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Graduate Relativity, force, acceleration, momentum
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Graduate What wrong with Lorent transformation here?
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Graduate Proper frame of reference and the formation of black holes
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Undergrad Radio Wave Length & Gravitational Force
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Graduate Can Concentrated Light Create Gravity by Warping Space-Time?
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Graduate Relativistic dynamics as a semantic problem
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Graduate Gravitational Time Dilation: A Thought Experiment
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Graduate Is the Electron Paper from Annales de la Fondation Louis de Broglie Reliable?
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Graduate What is the significance of VSL Theory in modern physics?
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Graduate An extended look at light in SR
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Graduate A bit introduction to foliation in GR and some question.
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Graduate The Relativity of Time Dilation: Is Time Dilation Truly Relative?
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Graduate Fast object moving along a table
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Graduate What Alternative Term Can Replace Non-Proper Length in Relativistic Terminology?
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Graduate Gravitational and inertial mass
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Graduate Time a fourth dimension? is a boost a rotation?
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Graduate Consistent with special relativity?
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Graduate A mechanical system in special relativity
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Graduate Relativistic Balance: Solving Problem w/Cube & Sphere
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Graduate Energy requirements for a relativity launcher
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Undergrad Ageless photon. do photons travel through time?
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Graduate What is an orthogonal chart in the context of Gaussian Normal Coordinates?
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Graduate What Happens When Galaxies Recede at Speeds Approaching Light?
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Graduate Physics laws and expansion of universe?
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Graduate Relativistic dynamics without conservation laws
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Graduate Light as a Relativistic invariant
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Graduate Is Light the Ultimate Barrier to Understanding Black Holes and Gravity?
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Undergrad Age of the Universe: 13.7 Billion Years Old?
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Graduate How Does Gravitational Time Dilation Work in a Uniform Field?
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Graduate Proving Parallelism of Orthogonal Vectors to Null Vectors
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Graduate Do Light Cones Truly Tip Over in General Relativity?
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Graduate Some strange questions about light
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Graduate Suppose we have a proton and electron, separated with a distance d
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Graduate Proper time or proper time interval
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Graduate Are two line derivations harmful in teaching special relativity
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Undergrad Understanding Gravity: Force or Space Warp?
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Graduate Tests of equivalence principle based on fluid mechanics
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Graduate Kennedy & Thorndike - Lorentz-Fitzgerald Contraction Experiment
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Graduate Who Experiences More Proper Time When Falling into a Black Hole with a Jetpack?
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Graduate Does a Gravitational Field Contribute to itself
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Graduate Clock Synchronization and the Effects of Gravity in a Two-Story Building
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Graduate A problem concerning the Lorentz transformations
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Graduate Is an exact solution for the gravitational field of a galaxy possible?
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Graduate Light Clock Experiment Flawed?
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High School The Penny Wheeel Diagram Confusion
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Graduate Spinning disk and the speed of light
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Graduate What's gravity from the Quantum point of view
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Graduate Can Light Define the Structure of Spacetime?
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Graduate Are there any theories about black holes existing within a larger black hole?
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Graduate Will the 2-Body Problem in General Relativity Require Both Bodies' Metrics?
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Undergrad How Much Mass Does an Object Gain at High Speeds?
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Graduate Is the Speed of Gravity Instantaneous or Limited by Light?
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Undergrad Does velocity dammage e=mc^2?
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Graduate Time Travel using the gravitational field of a circulating light beam
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Graduate Lorentz-Einstein transformation
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Graduate Any research left to do in Special Relativity?
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Undergrad Lorentz Transforms Simplified: Understanding Ordinary Math and Physics
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Graduate With the Lorentz-Einstein transformations in hands
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Graduate Gravity waves and a disapprearing sun.
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Graduate Hidden variable in SR and GR Relativity?
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Graduate Distance in accelerated frames
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Graduate How Does Rotational Symmetry Affect Gravitational Wave Emission?
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Undergrad Test Your Knowledge: Visit from a Scientist on Relativity
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Graduate Gravitation waves from two objects
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Undergrad Thrown Watch Problem: Does It Matter How Fast/High?
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Graduate Gravitational lenses and objects in front of them
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Graduate Does Gravity Bend Light or Curve Space-Time?
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Graduate Is There Validity to the Controversial Anisotropic Speed of Light Paper?
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Graduate Speed of light, Mass, And black Holes
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Undergrad What is the theory of relativity?
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Graduate Can Time Dilation Be Calculated for a Hypothetical Relativistic Trip?
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Graduate Counting Solutions of Einstein's Equations
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Graduate Can spacetime with a compact dimension be foliated into spatial hypersurfaces?
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Graduate Does Mass Affect Time and Space Differently?
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Graduate I heard from that Stocks, the famous mathematician who I appreciate
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Undergrad Schwarzchild Mass Explained - What is it?
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Graduate Covariant vs. Contravariant: Understanding the Physical and Historical Basis
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Graduate Two watches, one thrown in the air.
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Graduate Where does quantum gravity starts ?
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Graduate Help Synchronize Clocks: A & B's Perspective
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Graduate Gravity & Orbit: Does Sun Bend Space-Time?
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Undergrad How Does Relative Motion Affect Perception of Process Speed?
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