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 Can the Oppenheimer-Snyder Collapse Model Account for Variable Mass Inflow?
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Graduate Understanding the Relationship Between Gravity and Space
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Graduate Does Time Dilation Really Happen?
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Graduate Derivation of the Tolman-Oppenheimer-Volkoff equation
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Graduate Proper Length Increase/Decrease: Analyzing Atom Changes
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Graduate Why shear stress components of the Stress Energy tensor not zero?
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Undergrad Realization we are moving in a system
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Graduate In the block universe, what makes this particular 'now' special?
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Graduate Two particles, constant acceleration in their own frame
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Graduate Do Frame Dependent Charges Radiate?
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Graduate What is the Relationship Between Cause and Effect in Spacetime Geometry?
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Graduate Deriving E=mc^2: Special Relativity Explained
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High School What Determines the Straightness of a Line?
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Graduate Twin Paradox Without Acceleration ?
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Graduate General Relativistic Effects on an Electro-Magnet
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Graduate Does change in Lorenz contraction w/ respect to time = Lorenz Velocity
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Graduate Mass, masslessness and the speed of light
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Graduate Interpreting Einstein Tensor Geometrically on a Manifold
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Graduate Quantitative Meaning of Ricci Tensor
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Graduate Inertial Frame of Reference: Why Space Selects a Non-Inertial Frame
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Graduate Derivations for Relativistic Momentum and Mass: Clear Explanations and Formulas
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Graduate How/Why does the Mach principle define what is a 'direction'?
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Graduate Is Gravity the Same for a Candy Wrapper in a Zero Mass Spaceship?
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Graduate How Does Lorentz Invariance Affect Two-Particle Lagrangians in SR?
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Undergrad Is Gravity Really a Pushing Force?
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Graduate Relative death of people traveling at the speed of light
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Graduate Lorentz triangle and length contraction perpendicular to propagation
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Graduate Cylindrically symmetric line element canonical form
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Graduate Was I born before or after my older sister?
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Graduate Light bending in the hot plate model of curvature
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Graduate From killing equation to Lie algebra
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Graduate Lorentz Generators in Light Cone Coordinates
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Graduate Bondi's Radiating Line Element: Solve the Mystery!
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Graduate How Does Gravitational Time Dilation Affect Human Physiology and GPS Technology?
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Graduate Phase space in special relativity
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Graduate Deflection of light and gravity
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Graduate What is the present, how long does it last?
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Graduate Looking backwards when traveling at c
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Graduate Slowing Light: Constant Across Reference Frames?
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Graduate Dirac's statement about conservation
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Undergrad Relative Velocity: Deriving Velocity from Time & Distance
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Graduate Is Our Universe Closed or Open? A Thought Experiment at Near-Light Speeds
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Graduate Is Relative Simultaneity Real?
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Graduate A photon's energy equals its spatial momentum?
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Graduate Understanding Special Relativity on a Geometric and Intuitive Level
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Graduate Solving the Spaceship Paradox: A New Explanation
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Graduate EM Momentum,Hidden Momentum,Centre of Energy Theorem and Lorentz Force
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Graduate Is gravity a fundamental property of mass and space?
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Undergrad Confusion over length contraction
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Undergrad Einstein on the orbit of mercury, how does this fix Newton's theory?
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Undergrad Length contraction/time dilation mutually exclusive?
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Graduate Could Faster-Than-Light Travel Enable Time Reversal?
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Graduate What is the shape of length-contracted space?
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Graduate Does GR predict SR mass changes?
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Graduate How Does Time Dilation Affect Travel at Speeds Beyond Light?
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Graduate Total Energy in Schwarszchild Questions Answered
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Graduate Relativistic velocity addition and signs
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Graduate The 'mechanism' of length contraction
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Graduate Variation with respect to the metric
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Graduate Entanglement and general relativity
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Graduate Expanding the definition of inertial coordiante systems.
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Graduate Derivatives of contravariant and covariant vectors
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Graduate Distance dilation and length contraction
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Graduate Einsteins-Rosen bridge different from schwarzschild black hole metric?
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Undergrad How does bending the time continuum affect time?
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Graduate Sign Convention For v and x In Delta t = gamma(delta t' + v delta x')
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Graduate Detailed working out Lorentz contraction from the Lorentz transform
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Graduate Why does special relativity exclude gravity?
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Graduate Relativity: What's Relative & What's Not?
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Graduate Are length contraction and time dilation conventions?
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Graduate Do origin and onboard rocket observers agree on velocity?
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Graduate Frame-dependency of aging rate in the twin paradox
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Graduate Is Faster-Than-Light Travel Possible in Theory?
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Graduate Relativistic Travel, Perception and Light Constancy
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Graduate Light & Gravity: Effects Detected?
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Graduate Michelson-Gale-Pearson Refutation of Stokes-Planck - Help
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Undergrad Do Photons Have Mass or Not?
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Graduate How can gravitons be linked to general relativity?
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Undergrad Is Coulomb's Law a Spatial Concept or a Space-Time Phenomenon?
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Graduate Resolving the Twin Paradox: Clock Readings on Space Ships in Relative Motion
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Graduate Practical measurements of rotation in the Kerr metric
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Graduate Big Bang: Faster than the Speed of Light?
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Graduate About extremal aging and SR proper time
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Graduate Two bodies problem in other reference system
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Graduate Surface gravity (Killing vecotrs) of Kerr black hole
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Graduate Beginner: Some questions about relativity
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Graduate Change of the minkowski metric
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Graduate Theory of general relativity- Falsifiable?
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Graduate Relative time in light of quantum entanglement experiments
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Graduate Passing light repositions glass, doesn't it?
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Graduate If gravity is curvature of spacetime, why unified force @ Planck epoch
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Graduate Experimental Tests of GR for Non-Vanishing Tensor
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Graduate Understanding Gauss' Law for GR in Point Mass Clouds
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Graduate Best Understanding of the SR Postulate and the FAQ
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Graduate Mansuripur's Confusion-a-dox: Lorentz Force Law Issues
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Graduate Cherenkov Radiation in a Vacuum Tube
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Graduate Field Strenght Tensor and its Dual (in SR)
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High School Lycra sheet + support + massive balls = Gravity Visualized
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Undergrad Faster than speed of light possible ?
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Undergrad Is the frequency of light relative?
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