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 Driving a car with headlights on at the speed of light: another question
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Undergrad Where can I find the formula for the relavistic rocket equation?
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Graduate Neutrino Experiments at CERN: c=? | Is the Answer Out There?
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Graduate What Lies Inside a Black Hole?
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Graduate 1 = v^2 + t^2? and look at spacetime as velocity as x axis, time as y axis.
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Graduate Max Born's Reflections on the Non-Existent Ether
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Graduate The Arrow of Time: The Laws of Physics and the Concept of Time Reversal
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Graduate Is Our Understanding of the Space of Einstein Metrics Limited?
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Graduate How can objects in 4-D spacetime interact after experiencing time dilation?
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Graduate Bell's Spaceship Paradox - Shouldn't the thread stay connected?
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Graduate Event Horizons & Falling Objects: Will Bob See It?
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Graduate Time in Physics 4-Vectors: Is Time Included in the Position Four-Vector?
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Undergrad Gravitational waves and Tidal forces
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Graduate Is the Arthur Beiser Logic in Concepts of Modern Physics Appropriate?
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Graduate Relativistic angular momentum and cyclic coordinates
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Graduate The End of Physics and Failure to Integrate QM & Relativity
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Graduate Can someone explain the logic behind Einstein's Mirrors Experiment?
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Graduate Grazing collision of two black holes
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Graduate Speed of light becomes Infinity and Zero
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Graduate General question about E-L in revativity
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Graduate Relativity of rotating system(s)
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Graduate What is varing in the variational principle of GR
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Graduate Lorentz Contraction/ Simultan Problem
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Graduate Solving D'Inverno Ch 19 Problem 19.5
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Graduate In curved space-time, what causes gravitational acceleration?
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Graduate Understanding Relative Velocity and the Speed of Light
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Graduate Lie Derivatives and Parallel Transport
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Graduate Traveling a light speed from one clock to another
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Graduate What is the Best Book to Learn Topology for General Relativity?
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Graduate Definition of Negative Pressure in the Stress-Energy Tensor
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Graduate Gravitational potential energy storage location
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Graduate What is the Geometrical Meaning of the Einstein Tensor?
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High School Running Around a Tree at the Speed of Light: Can You Touch Yourself?
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Undergrad Twin paradox and time dilation
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Graduate If Geodesic are light cone, how can be test particle trajectiories
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Graduate Thought experiment for general rel., I can't remember how it goes
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Graduate Does the producing process of gravitational waves produce gravitation?
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Undergrad E=MC^2 Here,say we want to find the energy of a single
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Graduate Proof of relativistic energy/mass to grow to infinity for v approaching c?
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Graduate Why Do Reference Frames Yield Different Time Intervals in Special Relativity?
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Graduate The old car headlights at the speed of light scenario. conceptual questions
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Graduate Is it possible that Mass is the /same thing/ as curved spacetime?
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Graduate Teaching relativity to a skeptic
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Undergrad Confused about time dilation. (Just got introduced to relativity))
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Graduate Singularity theorems (Hawkign & Penrose)
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Undergrad One clock on Earth, one on Mars
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Graduate Ordinary and covaraint derivative
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Graduate Is There a Rigorous Proof That E_0 = mc^2?
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Graduate Increase in weight if an object is illuminated
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Graduate Is MOND Related to Renormalization? A Review on the Connection
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Graduate Existence according to reference frames
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Graduate What is the angular speed limit, like linear speed limit is c?
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Undergrad Weightlessness: Gravitational Effects When a > g
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Going Back to the Past: Is it Possible?
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Graduate How are scientists able to distinguish between photons?
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Graduate Relativity: Simultaneous Events in Frames A and B
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Graduate A question about variation of Christoffel connection
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Graduate Covariant and Contravariant Tensors
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Graduate General form of a Lorentz transformation
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Graduate EFE's question regarding Ricci scalar
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Graduate Hyperbolas of constant t^2 - x^2
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Undergrad Could you say that GR is a theory of four or five dimensions?
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Graduate Surface and center of the Earth clocks?
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Graduate Redshift and time dilatation of Hawking radiation
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Graduate Does Time Dilation Affect Life and Death in Different Frames of Reference?
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Graduate Energy equal to time component of 4-momentum?
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Graduate Creating Spacetime Diagrams with Math Software
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Graduate A Case for the 4-D Space-Space Block Universe
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Graduate BB theory and preferred frames
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Graduate Gravitational lensing and the speed of light
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Graduate Does Earth's Movement Affect the Twin Paradox in Space Travel?
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Graduate Does a clock in free-fall slow due to gravitational time dilation?
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Graduate Galileo's pendulum could show that time is relative
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Graduate D'Inverno derivation of Schwarzschild solution
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Graduate Mass Established by Relative Motion: Implications in GR?
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Graduate This question is not about a moving clock, but about the frame of reference.
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Undergrad Relativistic mass thought experiment/proof?
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Graduate Why does the bending of space necessitate gravitational effects
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Graduate Relative Motion Leads To Impossibilities (or so it seems to me can you help?)
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Graduate Inhomogeneous (poincare) lorentz transormation
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Graduate What will I see in this scenario? (involves rockets traveling near light speed)
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Graduate A question about stationary reference frame
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Graduate Escape of light perfectly orthogonal to black hole
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Graduate Can Anyone Explain How to Visualize a 4D Structure Like a 3-Sphere?
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Graduate Gravitational field calculation question
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Graduate Why are the effects of Time Dilation permanent but Length Contraction is Not?
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Graduate Thought Experiment regarding Time
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Graduate How Does the Electric Field of a Moving Point Charge Differ from Its Rest Frame?
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Graduate Time Dilation in a Non-Rotating Laser Sphere: Inside vs Outside
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Graduate Is nonholonomic Xformation = Diffeomorphism
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Undergrad Time Dilation and Length Contraction the same thing?
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How Does Light Travel Through a Coke Bottle?
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Undergrad Length of Moving Rod Relative to Frame S
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Undergrad Why Does Stationary Observer See Light Clock Traverse Longer Distance?
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Graduate Could Neutrino Bursts Be the Key to FTL Communication in SETI Research?
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Undergrad Aberration of light in classical and relatvistical cases
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Graduate Very confused about path of light from distant galaxies :-(
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Graduate How relativity could explain this engineering problem.
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Graduate Spacetime Fabric Shear Strength
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Graduate What is the Densest Known Material?
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