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.
Undergrad Does the Topology of AdS4 Affect Global Hyperbolicity?
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Undergrad The bending of starlight is twice the Newtonian prediction
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Undergrad Light Clock Animation App: Find, Start & Feedback
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Undergrad Does charging my phone increase its gravitational force?
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Undergrad Correlation vs. Causation: Knowing the Difference
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Undergrad Identifying Manifolds with Different Co-ordinates: Easy Solutions
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Undergrad Find GR Equation: Collapsing Orbit & Gravitational Wave
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Undergrad GR: Can Units Tell You if Quantity is Covariant or Contravariant?
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Undergrad How Does the Twin Paradox Apply to Light and Sound Waves?
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Undergrad C in a Vacuum: Evidence of Constant?
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Undergrad Boost Generators: Physical Meaning & Observable Quantities
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Undergrad Leading Clocks Lag: Twin Paradox Explained
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Undergrad Speed of EM & Mech Waves: Maxwell's Law Explained
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Undergrad Twin Paradox: Spacetime Physics Ch.4 & 202 Year Difference
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Undergrad Configuring Laws of Motion: Static/Dynamic
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Undergrad Could spacetime be non-orientable?
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Undergrad Summation notation and general relativity derivatives
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Undergrad Solving Proca Lagrangian w/ Extra Operator: Find Laws of Motion
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Undergrad Does Time Slow Down in a Deep Osmium Room?
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Undergrad Laws of Motion for New Lagrangian: Partial Differential Equations
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Undergrad Compute Length Contraction: Is ##l=1## a Possible Model?
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Undergrad Lorentz Ether Theory: History & Explanation
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Undergrad Riemann Curvature: Understanding Parallel Transport on 1D Rings
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Undergrad Metric: Proper Space vs Coordinate Space
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Undergrad If energy is relative, is the rest mass also relative?
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Undergrad Are Tidal Forces Curvature of Space?
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Undergrad Special Theory of Relativity & Conservation of Mass
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Undergrad General relativity - covariant superconductivity, Meissner effect
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Undergrad Calculating the Area of an RN Event Horizon with Specific Heat Formula
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Undergrad Michelson-Morley Experiment: Objection Explained
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Undergrad Why is Scalar Massless Wave Equation Conformally Invariant?
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Undergrad Can a distant object behind a cosmic string appear as a double image?
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Undergrad Linear & Rotational Motion: Speed of Tip in Lab Frame
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Undergrad Components of *J in Kerr geometry
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Undergrad Is mass the source of spacetime?
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Undergrad Rate of Time/Mass: Is There a Constant?
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Undergrad Asymptotically Flat Schwarzschild Metric
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Undergrad Computing Ricci Tensor Coefficients w/ Tetrad Formalism
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Undergrad One way speed of light measurement
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Undergrad Understanding Pseudo-Angles in Minkowski Space: A Geometric Interpretation
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Undergrad Explaining Sagnac vs. SRT Violation & Reconciling Lorentz Transform
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Undergrad To derive an equation of black hole thermodynamics
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Undergrad Weak Gravitational Field & Wave Eq. - Analyzing Effects on Massless Scalar Field
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Undergrad Conformally related metrics have the same null geodesics
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Undergrad Precession of a spherical top in orbit around a rotating star
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Undergrad Length contraction and time dilation
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Undergrad The energy of a closed universe is zero
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Undergrad Ray tracing in the movie Interstellar
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Undergrad Recession Velocity near Cosmological Boundary: Hubble's Law?
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Undergrad A bit confused with this question about the Penrose process
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Undergrad Can a Black Hole be Destroyed by Electron Beam?
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Undergrad Is time really moving backwards?
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Undergrad Time-Dependent Lagrangian Leads to Time Dilation?
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Undergrad Gravity Wave Propagation: Negative Energy Pulse?
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Undergrad Sun Disappearance: Impact on Earth's Path
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Undergrad Co-rotating electric potential for KN solution
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Undergrad Hyperbolic Time Chamber: Is Time Dilation Theoretically Possible?
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Undergrad Understanding White Holes to Region III in GR
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Undergrad Finding the angular momentum of a Kerr black hole
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Undergrad Integration trouble (integral over a 2-sphere)
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Undergrad Commutation between covariant derivative and metric
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Undergrad Refractive index of a medium in relativistic motion
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Undergrad Is the Surface of a Sphere Locally Flat?
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Undergrad Why do the two mouths of a wormhole have opposite charges?
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Undergrad Left-right arrow in Einstein equation
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Undergrad Metric Transformation b/w Inertial Frames: Analyzing Effects
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Undergrad Observe Hawking Rad. in Black Hole?
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Undergrad Strange result from Bianchi identity, me spot the error
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Undergrad Alcubierre Warp Drive: Spacetime Diagram Explained
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Undergrad Learning GR with Leonard Susskind: Prerequisites Needed?
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Undergrad Parallel transport general relativity
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Undergrad A problem with how the speed of light connects to special relativity
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Undergrad Light Deflection Formula: Impact Parameter & Angle Shift
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Undergrad LIGO & Special Relativity: Is Spacetime Distortion Real?
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Undergrad Relativity's Effect on Long Rod Shape and Speed
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Undergrad GR: Attractors & Liouville's Theorem
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Undergrad Definition of Tensor Identity Simplification
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Undergrad The spacetime length of finite spacelike intervals
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Undergrad Acceleration in special theory of relativity
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Undergrad Time and Lorentz transformations
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Undergrad What is a "rotating worldline"?
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Undergrad How to work out the tetrads for given functions?
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Undergrad New paper gravitomagnetism explains dark matter effects
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Undergrad Electric Field seen by an observer in motion
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Undergrad Lorentz transformations: 1+1 spacetime only
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Undergrad Observing Christmas Lights in a Black Hole: What You See
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Undergrad Postulates of Special Relativity: Speed of Light in Inertial Frames
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Undergrad Diffeomorphism Invariance, Passive/Active Interpretations GR Insight
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Undergrad Thorne's error in explaining gravitational time dilation
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Undergrad Relativistic Energy & Robert M. Wald's General Relativity
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Undergrad An algebraic manipulation in Schutz's book on GR
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Undergrad Principle of relativity: active vs passive point of view
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Undergrad One more talk about the independence of Einstein's SR axioms
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Undergrad Alcubierre Drive & Gravitational Waves: Alien Effects?
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Undergrad Pole-Barn Paradox: Is My Understanding Correct?
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Undergrad Einstein's 1935 Paper on Wormholes & Modern Physics
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Undergrad Special Relativity: 3 Objects, Momentum & Time Dilation
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Undergrad What tests can falsify general relativity?
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Undergrad Why binary systems for gravitational waves?
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Undergrad Is Scale Factor a Scalar? Sean Carroll Invitation
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