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 Spacetime & Rotating Planet: Velocities Impact
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High School Is Time's Speed Just Wild Speculation?
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Undergrad Simultaneity of events in 2 dimensions
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Graduate A paper I heard about last year about gravity.
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Graduate Two Spaceships, .90c - Why No Faster Than Light?
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Graduate What distinguishes the interior and exterior Schwarzschild metrics in Maxima?
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Graduate Gravitational Redshift for Photon around Kerr Black Hole
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Undergrad General Relativity for Dummies
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Undergrad Confused by an example in Brian Greene's book and SR in general
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Graduate Is It Possible to Integrate General Relativity and Quantum Mechanics?
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Graduate Is Faster-Than-Light Travel Possible Relative to Other Celestial Bodies?
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Graduate Relative Object Speed Q: Observer Moving or Hula Hoop?
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Graduate F.O.R. and Acceleration/Deceleration Question
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Graduate My twin galaxy puzzle Please help
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Graduate Weak Equivalence Principle (WEP)
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Undergrad Special relativity fundamental question
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Graduate Is the acceleration of mass A equal to mass B in Born rigid motion?
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Graduate Is Action&Reaction Strictly Synchronous
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Graduate Alpha Centauri to Earth: Apparent Speed > c?
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Graduate Black Body in Motion Books: Find & Learn Relativity
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Graduate How is the twin paradox solved in the first model of the expanding universe?
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Undergrad Light & Time Travel: Can the Light See Us Stopped?
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Graduate Gravitational Effects on Atomic Clocks and Other Forces
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Graduate Equivalence Principal, Acceleration, Curved Space
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Graduate Gravitational collapse to form a black hole
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Undergrad When adding up velocities, is it possible to produce 1+1=1?
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Graduate What Do Observers See in the Special Relativity Clock Paradox?
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Graduate What are the effects of traveling at light speed on aging and time perception?
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Graduate Does Time Exist at Absolute Rest or Light Speed?
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Graduate Why should the action be Lorentz invariant?
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Graduate C plus and ACAUSALITY in accelerating systems
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Undergrad Is this explanation of E=mc^2 correct or incorrect and why?
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Graduate Mathematical Question: Validity of Equations for Special Relativity
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Undergrad Can I really not tell if I am in motion?
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Graduate How does velocity affect the rate of time?
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Graduate Help Understand SR - Steve's Questions
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Undergrad How Does Distance from Earth Affect Our Perception of Time?
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Graduate How Does Time Dilation Affect Communication in Space Travel?
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Graduate How is Work Calculated for a Constantly Accelerating Rocket?
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Graduate Eintein's theory of relativity
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Graduate Can Rotating Charged Black Holes Exist?
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Undergrad Thought Experiment on perfect strings
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High School Understanding the Unchanging Speed of Light: Explained in Simple Terms
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Graduate What are the meanings of coordinates ?
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Undergrad What happens when a black hole is a certain size?
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Graduate Acceleration & Mass relationship
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Graduate Is gravity a force, or curvature of space-time?
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Graduate Gaining a Better Understanding of Special Relativity
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Undergrad Can Time Exist Without Mass in the Universe?
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Graduate Does the curvature of SpaceTime Disprove gravity?
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Graduate Gravimagnetism: The Curious Link Between Gravity and Magnetism
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Graduate Interpretation of Flamm Paraboloid
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Graduate Can We Travel Faster Than Light?
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Graduate Evidence for infinites at light speed.
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Graduate Trying to follow i beginer's proof/derivation from relativity demistified.
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Graduate Christoffel Symbols for Schwarzschild Metric (?)
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Undergrad From where comes Gravity energy?
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Graduate Curvature of spacetime, Matter vs Energy
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Graduate Object with no velocity is placed in a gravitational field
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Graduate Div Curl: Black Hole Edge Explored
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Graduate No SR time dilation without Lorentz contraction
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Graduate Confusion between simultanety and time dialation
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Graduate What if light clock experiment was done on top of train?
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Graduate Overview of the topic and current topics/unsolved problems
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Graduate Orthonormal basis in fermi coordinates
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Graduate Is Relativity Broken Due to Simultaneity and Time Dilation?
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Graduate Gravitational Field & Reference Frames
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Graduate Beginner's Minkowski diagram / space-time interval question
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Graduate Time dilation has a direct corelation in the production of gravity
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Graduate What Would Happen to Astronaut A in a Rotating Spacecraft Access Tube?
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Graduate What came first Gravity or Curvature
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Graduate Does Thomas Precession violate angular momentum conservation?
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Graduate Thermodynamics of Spacetime: The Einstein Equation of State?
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Graduate Does General Relativity Allow for Swimming in Space-Time?
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Graduate Applications of realitivty once we can travel at near c
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Graduate Experience Zero-Gravity at Earth's Core
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Graduate Tesnsors and Units Consistancy
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Graduate Published definitions of rapidity
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Graduate Question on linearity of Lorentz transformations
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Undergrad Simulating relativity in a velocity verlet algorithm
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Graduate Bell's spaceship paradox - reversed
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Graduate How can two objects colliding and merging have a bigger mass?
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Graduate What's in your differential geometry toolbox?
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Graduate Is there any derivation of length contraction through proper lenght?
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Undergrad What does it mean if a transformation is 'linear'?
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Graduate Black Hole; Gravity & Speed Within Questions
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Graduate Light speed relative to accelerating & const vel source
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Undergrad Alpha centuri .4 light year relative to who?
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Graduate Killing vectors for Anti desitter space in 3+1
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Graduate Einstein's Postulates & Momentum in 3D: Is it Possible?
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Undergrad What is the Twin Paradox and How Does Space Affect Time?
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Graduate Why is the speed of light erm the speed of light?
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Graduate How does mass know that space is curved?
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Graduate Deriving Lorentz Metric and E=m
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Graduate How does the GR field equation reduce to Newton's law of gravity?
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Graduate Using the Einstein Equation to Solve Problems in GR
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Graduate Rubber sheet analogy - density change
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Graduate How is acceleration in relativity measured?
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Undergrad Some Questions on Time Dilation.
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Graduate Twin 1 goes on a rocket flys to pluto at .99c
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