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 Time and space travel at light speed
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Graduate Spacetime diagram - Twin paradox
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Graduate Does the magnetic field in relativity move at the same speed as the magnet?
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Graduate Defining a Family of Observers: Textbook Reference Needed
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Graduate Do forces compose/superpose in special relativity?
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Graduate Einstein postulates and the speed of light
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Graduate Does the twin paradox hold true for particles as well?
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Graduate Logical Proof That Black Holes Can't Exist
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Graduate Can someone confirm that this is how time dilation works?
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Graduate Is a Black Hole a Wormhole According to Poplawski's Theory?
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Graduate Understanding the Principle of Equivalence: A Closer Look
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Graduate Need help understanding this math
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Graduate Why is the Reissner-Nordstrom Metric Not Considered a Vacuum Solution?
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Graduate Testing Equivalence Principle: Prying Gravity From Inertia
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Undergrad Animated Gravity : Einstein vs. Newton
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Graduate Is the growth of black holes paradoxical?
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Graduate Understand Special Relativity and Time paradox
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Graduate How does the event horizon of a blackhole know how to behave?
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Undergrad Is E=mc2 About Converting Mass to Energy?
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Graduate Help with Problem on Bekenstein Bound
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Graduate Gravitation: Curvature- vs -particles
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Graduate Frame of reference question about equivalence principle
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Graduate Time slowing down for someone traveling just under the speed of light
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Graduate Simultaneous events - special relativity
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Graduate Shining a laser out of a train - What does the stationary
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Undergrad Frames of reference for speed?
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Graduate AdS4 Radius & Cosmological Constant: Is n Relevant?
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Graduate Derivation of gauge condition in linearized GR
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Graduate Is There a Hidden Universal Constant that Affects All Branches of Science?
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Graduate Metric Properties of a Simple ds^2 Equation
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Graduate Equilibrium temperature distribution in gravitational field
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Graduate Physical model of measurement for affine geometry, dual
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Graduate Relativity question - effects between moving and stationary particles?
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High School Unraveling the Mysteries of Time: A Layperson's Quest to Understand Physics
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Undergrad Can kinetic energy be added linearly?
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Graduate The speed of light in a gravitational field
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Graduate Question about differential geometry
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Graduate Classical Fields and Newton's 2nd Postulate of Motion
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Graduate Derivation of Hawking temperature
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Undergrad Time Dilation: Can You Chase Something Too Fast?
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Graduate Varying determinant of a metric
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Graduate How can the gradient of a scalar field be covarient?
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Graduate Einstein and Relativity: Uncovering the Origins of Length Contraction
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Graduate Does the Michelson-Morley Experiment Truly Disprove Ether?
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Graduate Schwarzchild radius and escape velocity?
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Graduate What motivated Einstein to start thinking about a General Theory of Relativity?
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Graduate Speed of Light Train: When Does it Start Breaking Down?
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Graduate Using 4-Gradient to Apply Function to 4-Vector
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Graduate Geons in Geometrodynamics: J.A. Wheeler & Stability Questions
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Graduate Determinant of the metric tensor
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Graduate Does light have a frame of reference?
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Graduate Calculating Heat Reflection with a Radiometer: Mass/Force Equation
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Graduate Big Bang singularity vs Black hole singularity
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Graduate Kaluza–Klein theory, a point charge, A_0, geometry of.
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Graduate GPS satellite and satnav receiver clock synchronisation
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Graduate Hawking radiation and Black hole evaportion
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Graduate Is There a Solution to the Faster-than-Light Problem in General Relativity?
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Graduate Is the Speed of Light Boundary Relative to a Fixed Point in the Universe?
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Graduate Arguments Against Existence of Isotropic Length Contraction/Expansion
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Graduate The gravitational force of energy
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Graduate Euler-Lagrange and Christoffel symbols
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Graduate Rigorous definitions in general relativity
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Graduate Metric Tensor and frames (wrt prof.susskind's lectures)
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Graduate Newtonian force as a covariant or contravariant quantity
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Graduate Energy-Mass Gravity: Universe's Gravitational Pull
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Graduate Closed flat space twin paradox
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Graduate Something I don't understand about FTL travel
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Graduate Validity of Newton's Laws on a MCRF
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Graduate Does negative potential energy reduce the effect of gravity?
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Graduate Why don't photons experience time?
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Graduate Finding Constant \alpha_M in SET Definition
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Graduate Destroying A Black Hole: Can Alice Escape?
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Graduate Is the asymmetry mentioned in 1905 SR paper fully removed?
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Graduate Can FTL Travel via Wormholes Create Time Paradoxes?
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Graduate A SR experiment in which an entity exists in frame A but not frame B
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Graduate Can Mirrors Create a Window to See into the Past?
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Graduate Field of Point Mass: MTW Ex 7.3C Solution
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Graduate Simultaneity of events inside a singularity
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Graduate Timelike Metrics: What Is a Timelike Vector?
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Graduate Living Forever Through Relative Time: Two People, One Destiny
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Graduate Variational Principles in GR: Explaining Lagrangian Varying
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Graduate Does Gravity Have a Speed Limit?
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Undergrad Question about gravity on a moving object
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Graduate Principle of Equivalence: Understanding the Foundations of General Relativity
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Graduate Efficiently Lowering Tensor Indices: Simplified Equations
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Graduate Momentum of neutron, proton, electron
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Graduate What is the relationship between light, time and space?
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Does Time Properly Dilate in the Relativity Game?
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Graduate Number of unknowns - Coordinate Transforms
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Graduate Gravity and the Infinity Problem 2 Questions
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Graduate Why Are Off-Diagonal Ricci Tensors Zero in Symmetric FRW Metrics?
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Graduate Is Dirac's Delta to the fourth power equal to 0.5?
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Graduate Why doesn't mass of light equal infinity
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Graduate NASA could build a warp drive?
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Graduate Black Hole - Conservation of energy?
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Graduate Is gravitational energy continuous?
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Undergrad Find Dist. b/w 2 Points in 3D Space incl. Time Dim.
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Graduate Homogeneous gravitational field and the geodesic deviation
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Graduate Cosmic Inflation & Fine Structure Constant: Theory & Observations
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Graduate Curvature of Spacetime on Earth
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