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 The God Effect and the Black Hole
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Graduate Is superluminal communication impossible according to STR?
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Undergrad How does gravity in space work?
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Undergrad Whenever we increase the velocity of a particle, the mass of he particle also
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Graduate Does BH Event Horizon Reveal Information on Mass, Angular Momentum, and Charge?
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Graduate Observers/observations according to SR
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Graduate Confused about Lorentz Transformations
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Graduate Time dilation in the period of a pendulum
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High School Concepts of time on Earth, Space and on other Planets
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Graduate Gravitational lensing derivation using equivalence principle
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Graduate Relative velocity between two accelerating observers
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Graduate Bohr radius and length contraction
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Graduate Aid to visualizing warped Spacetime?
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Graduate Postulate: EVERY field has a magnetic equivalent.
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Graduate Bianchi Identity-where did I go wrong?
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Graduate Why doesn't hawking radiation prevent a space-like singularity
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Graduate Time reversal in General Relativity, and black holes
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Graduate Need help on an exercise from Gravitation(MTW)
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Graduate Need help MTW's Gravitation exercise 16.1
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Graduate Slow-rotation weak-field limit of Kerr
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Undergrad A typo or I don't understand it?
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Graduate Are Lorentz Transformations Compatible with Lorentz Ether Theory?
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Graduate Faster than the speed of light
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Graduate Relativistic mass, time dilation, length contraction, and traveling near c
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Graduate Can SR be derived from causality alone?
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Graduate Does Time Exist? Science Explains 4 Dimensions & Timelines
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Graduate Understanding Basis Vectors and One-Forms: A Simplified Explanation
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Graduate Universe expansions effect on gravity and Einsteins theory of special relativity
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Graduate Define Black Holes w/o Asymptotic Flatness?
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Graduate Length contraction of distant objects/space, etc
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Graduate Visualizing General Relativity with Fluid Analogy
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Graduate SR question about time dilation/space contraction
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Graduate Understanding Past and Future Light Cones
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Graduate Gaussian Coordinates Explained: Resources & Definition
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Graduate How Does a Photon Experience Space and Time?
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Graduate Photon Rest Mass: How We Know & Mass While Moving
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Graduate Black Hole Time Dilation: Light-ray Interpretation
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Graduate Why is gravity the only force the causes time dilation?
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Graduate Anti-de Sitter spacetime metric and its geodesics
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High School Twin Paradox: Time & Speed Explained
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Graduate Can Information Be Preserved on Closed Timelike Curves?
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Graduate Correct phrasing / use of vocabulary for SR
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Graduate Does Bell's Paradox Suggest String Shouldn't Break Due to Length Contraction?
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Graduate How Do Light Clocks Illustrate Time Dilation and Length Contraction?
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Graduate Why does length contraction only occur parallel to the direction of motion?
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Undergrad Speed of light constant in NON-vacuum?
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Graduate I have been reading a book on hyperspace and again the author has gone
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Graduate Why does Einstein's 1905 SR paper contain Zero citations?
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Graduate Confused about some aspects of GR
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Graduate Relative difference in laws of electrodynamics
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Graduate Physics & Cosmology: Questions about Gravity & Orbital Motion
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Undergrad Was Ruđer Bošković the first one?
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Graduate Question about Einstein inserting the cosmological constant
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Graduate What's being curved, when mass bends the spacetime continuum?
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Graduate Shrinking event horizon to point singularity
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Graduate Does potential energy change mass
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Graduate Questions about the accelerating universe
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Undergrad Thought experiment about time dilation
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Graduate I have a spacecraft that can trave to Alpha Centauri in 1 week
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Graduate Local flat space and the Riemann tensor
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Undergrad What happens to the shape of an accelerating mass
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Graduate Eternal black hole Hawking process
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Graduate Repeat of Hafele-Keating Experiment?
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Graduate Existence of gravitational energy
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Graduate Tensors and vector derivatives
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Undergrad Einsteins Theory on Relativity
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Undergrad Hyperbolic Geometry in special relativity
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Graduate What is the FTL drive model that is not the Alcubierre?
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Graduate Intuition for General/Special Relativity theorems without experiments
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Graduate Velocities as seen by different observers.
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Undergrad Understanding Light Wave Propagation
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Graduate Does time dilation effect rate of isotope decay?
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Graduate Mass Increase in SR: Clarification of Popular Belief
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Graduate Light Cone Distributions: Review by Eric Poisson, Ian Vega and Adam Pound
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Graduate Mass and energy when traveling at near the speed of light
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Graduate Another way to get energy equivalent of a mass
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Graduate Doppler effect and invariability of C
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Graduate Gravitational Waves & Neutron Stars/Black Holes: Observed Velocity Decrease
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Graduate Passage from the book relativity i am not able to understand
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Undergrad Calculating the Distance Traveled by Light: Myth or Reality?
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Undergrad Time Dilation with objects at low speeds
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Graduate Schwarzschild metric and spherical symmetry
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Undergrad Trying to Understand Light in Motion: A Frustrating Puzzle
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Graduate Can light act like an object in motion and stand still in an ideal environment?
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Graduate Book for Special Relativity that uses Tensors
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Graduate Outgoing Eddington-Finkelstein coordinates
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Undergrad Calculating Maximum Revs/Sec w/ Speed c & Circumference of Disk
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Graduate Mass Increase When Light Speed Increases: Einstein's Theory
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Graduate Form of Lorentz Transformation Using West-Coast Metric
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Graduate Can special relativity be violated by an electron in a television tube?
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Graduate Is energy conservation necessary?
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Graduate Unruh effect and lessons regarding reality
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Graduate Hypothetical implication of Lorentz contraction
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Graduate Why Does Frame Choice Matter in Velocity Addition Problems?
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Graduate Question about SR in Griffiths
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Undergrad What happens if C is faster than the speed of light?
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Graduate Is the Travel Time to Reach the Speed of Light Really Only 2 Years?
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Graduate Is cosmic muon lifetime extension a valid test of relativity?
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Graduate Are the directions of electric fields lines affected by Gravity?
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Graduate Gravitational Wave Local Energy: Not Gauge Invariant?
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