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.
Undergrad Object's mass does not increase as it approaches the speed of light?
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Undergrad Gravitational Force: Evidence & Distance
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Graduate Understanding Curvature Perturbation in Cosmology
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Graduate Understanding the Equivalency Principle: Elevator Example and Its Limitations
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Graduate Relativity through different scales
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Graduate Is the Cosmological Constant the Same as Dark Energy?
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Undergrad Electric field and light and stuff
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Graduate Physical meanings of universal coordinates in schwarzschild metric
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Undergrad Mass at equator versus mass at pole
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Graduate Experimental sticky (Hafele-Keating experiment)
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Graduate Understanding the False Twin Paradox: An Alternative Explanation
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Graduate Rotation and Minkowski diagrams.
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Graduate Evotos Experiment: Equator vs. 45° Latitude
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Graduate I am having troubles with the gravitational time dialtion equation.
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Graduate Time and the relative speed of an Expanding Universe
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Graduate Issues with Eddington-Finkelstein Coordinates
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Graduate Why Does Rotating the Minkowski Metric Yield Non-Zero Curvature Components?
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Graduate Why is the relativistic Lagrangian for a free particle proportional to 1/\gamma?
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Undergrad The aether was a flawed experiment?
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Graduate In 4-D, the Earth orbits around the sun in a straight line
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Graduate Why FTL travel of light spot can't carry any information?
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Graduate By photon's POV, would light travel infinity in no time?
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Undergrad Help with energy-mass equivalence
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Graduate Why Hawking radiation contains other particles besides photon?
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Graduate Relativity Questions on Motion Limits
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Graduate Time dilation can't possibly be explained this easily
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Graduate Massless Particles: Speed of Light & Gravitons
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Graduate Simple argument for area conservation under Lorentz transformation?
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Graduate All rotating black holes will eventually stop?
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Graduate Schwarzschild affine connection
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Graduate Covariant divergence question from Landau and Lifshitz
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Graduate Lorentz Contraction: Explaining the Mystery
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Graduate Einstein's box in media and mass-energy equivalence
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High School Is it possible? (faster than light in a medium)
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Graduate S,S' in the Lorentz transform.
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Undergrad A and B are twins,A notice B moving away from him with velocity v
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High School Why Does Light Slow Down in a Medium?
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Graduate Contradiction between Quantum Mechanics and Special Relativity？
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Graduate Einstein's box of phonons and energy-mass equivalence
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Graduate Theory of relativity second postulate
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Graduate Minkowski Norms and Lorentz Metric in Spacetime
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Graduate Black hole can regard as most efficency mass-energy convecter?
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Graduate Understand GR: Tips for Ancient Non-Mathematical Fossils
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Graduate Relativistic Collision Effects on Speed, Mass
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Graduate Is Time Relative? The Twin Experiment and Its Implications
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Graduate Solving Space-Time Variation in the Ocean
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Graduate Relative Motion: Framing Object Velocity
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Graduate Does spacetime could curved in a square way ?
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Graduate Riding on a Photon: Is Time Really Eternal?
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Undergrad F = qvB in Relativity: A Charge in Magnetic Field
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Graduate Why does time dilation only affect GPS satellites in one direction?
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Graduate Power Required to Accelerate Space Craft to Near Light Speed
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Graduate Do Charged Particles Radiate in Different Frames of Reference?
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Graduate Energy density of grav. field - analagous to EM
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Graduate Energy conservation in relativity
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Graduate Electric resonance in a moving frame
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Graduate How Do Black Holes Increase Their Mass Despite Observational Paradoxes?
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Undergrad Can a moving observer detect a magnetic field from a stationary electric charge?
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Graduate Formalism for an extended object
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Graduate How does an observer's perception of a black hole change while diving into it?
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Graduate Explaining Relative Simultaneity
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Graduate Merging Black Holes & the Nature of Time
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Undergrad A 13-Year-Old's Physics Dilemma
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Graduate Could Space-Time Variability Explain Unexpected Spacecraft Speeds?
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Graduate Observing the Universe at Relativistic Speeds: Confusion and Curiosity
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Graduate GR Resources: Books 3,4,6 & Arxiv Free Material
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Graduate Does Relativistic Length Contraction Induce Stress in Physical Bodies?
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Graduate Equivalence principle to other forces?
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Graduate Does Object Configuration Remain Consistent After Relativistic Transport?
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Graduate Q. about Bradley's Stellar Aberration
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Graduate What is the relationship between black holes and singularities?
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Graduate Calculating Covariant Derivate of Tensor T^u_v
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Graduate Does c-invariance in SR postulate need inertial frames ?
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Graduate Gravitational redshift and time dilation
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Graduate Why is invariant interval invariant?
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Graduate Can Relativity Help Create a Powerful Energy Generator?
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Graduate Wormole and reactionless drive
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Graduate Local detectability of frame-dragging
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Graduate Does the Heisenberg Uncertainty Principle Affect Relativity Calculations?
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Graduate Einsteins gravity theory (bending space) question
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Graduate Solving Tensor Integration on a Unit Sphere: Help Needed
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Graduate Question about equivalence principle
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Graduate Matrix Formalism of GR: Good References for Writing Equations
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Graduate The Grand Father paradox is flawed.
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Graduate Continuous application of Lense-Thirring precession: flyby anomalies
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Graduate Slow clocks on moving body is an illusion?
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Graduate How is the -(ct)^2 term in Minkowski metric conceived?
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Graduate Fractal Nature of Gravitational Forces
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Graduate What is the law of reflection in special relativity?
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Graduate How is mass density affected by speeds near c?
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Graduate Length contraction in Lorentzian relativity
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Graduate Faster than the speed-of-light
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Graduate General Question about Gravitational Potential & General Relativity
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Graduate Confusion about a laser shining perpendicular to a moving inertial frame
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Graduate Is this idea of time travel consistent with relativity?
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Graduate Gravitational redshift and time dilation
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Undergrad Did Gravity Impact the Time Travel of Sergei Krikalyov?
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Graduate Calculating Final Velocity of Matter into Black Hole Event Horizon
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Graduate Time Dilation Formula: Clarifying Confusion
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Graduate Principle of Least Action - Straight Worldline on a Geodesic
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