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 What is a Simple Example of a Functional and Lagrangian in Gravity?
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Graduate Understanding the Physical Meaning of Wigner Rotation
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Undergrad Is it realy true that nothing can travel faster than light? if so, why?
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Graduate General Relativity and Minkowski space question
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Graduate Structure of Minkowski Space
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Undergrad Floating in Space: Can Humans Create Their Own Orbits?
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Undergrad Mass and Speed in Special Relativity
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Graduate Help understanding special relativity concepts please.
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Graduate Is the Pen on My Desk a Geodesic and Is My Room an Inertial Frame?
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Graduate Question on Space time geometry
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Graduate Relativistic effects on apparent angular size
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Graduate How Does Gravity Influence the Speed of Light in Space-Time?
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Graduate Gravity: Effects of Curvature & Speed of Light
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Graduate Understanding Noether's Theorem: Field Theory on Minkowski Space
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High School Understanding the Equation E=mc^2: Any Thoughts?
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Undergrad How fast are we really moving?
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Graduate What happens when you enter a black hole
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Graduate Still learning about special relativity, .
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High School Earth's Diameter Stick: A Spinning Spiral?
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Graduate Einstein’s return to ether, what future of relativity?
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Undergrad What is the difference between the equivalence principle and Newton's third law?
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Graduate Is c invariant in Accelerating frames?
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Graduate Gravity/Curved Spacetimes effect on Time
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Graduate Do Moving Trains Affect Time Synchronization?
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Undergrad Extended Coulomb's Law: Need Help w/ LaTeX
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Graduate Where is My Understanding of Relativity Wrong in the Light Clock Example?
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High School What is the significance of squaring speed in E=mc²?
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Graduate Is there a simpler way to understand the Lorentz factor?
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Graduate Infinite mass = infinite gravity ?
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Graduate What software do real physicists use for GR calculations?
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Graduate Are My Thoughts on GR Body at Rest Correct?
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Graduate Length contraction in a current carrying wire?
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Graduate Is Everything "Else" a Black Hole?
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Graduate Electrons' Angular Velocity in Atomic Structure: Examining the Same V?
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Graduate Is light speed faster coming from a smaller star?
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Graduate Understanding the Impact of Michelson Morley Experiment on Modern Science
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Graduate Can GR be formulated as background dependent?
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Graduate Contravariant derivative tensor problem
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Graduate Photon Trajectory in Moving Laser Pointer
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Graduate Some Burning Questions about Time Dilation
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Graduate Confused about Velocity Based Time Dilation
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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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