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 Violation of simultaneity - real of frame-dependent perception?
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Graduate What do the eigennumbers of the Lorentz transformation represent?
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Graduate Problem involving fundamental principle
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Graduate Double contraction of curvature tensor -> Ricci scalar times metric
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Graduate Approaching the speed of light
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Graduate Time Dilation vs Percieved age of Universe
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Graduate What Differentiates Massive Objects from Photons in Terms of Speed of Light?
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Graduate List of common misconceptions about relativity?
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Graduate Why does the universe move towards an observer at rest?
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Undergrad Why is the Speed of Light 186282mps?
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Graduate What Are the Key Physical Implications of the Einstein Tensor?
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Graduate Passive vs active transformations and variations
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Graduate Implications of Movement Greater than Speed of Light?
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Graduate Equivalence principle - are all accelerations actually equivalent to gravity?
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Graduate Understanding the Effects of Relative Curvature and Mass on Space and Observers
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Graduate Inertial and non inertial frames
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Graduate Geometry of the Riemann, Ricci, and Weyl Tensors
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Graduate Does Time Appear Differently for Observers in Relative Motion?
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Graduate Conditions for curvature singularity
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Graduate Is There a New Theory Extending Special Relativity Beyond the Speed of Light?
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Graduate Math for GR: Branches & Building Blocks
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Graduate James Bradley's Observation of Aberration: Precedent to Michelson-Morley?
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Graduate In 4-momentum, why is E the 4th component?
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Graduate What is the period of a photon in a circular orbit around a black hole?
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Graduate Curvatures in space-time: actual reality or mathematical concept?
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Graduate Stress energy tensor's Component
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Graduate What does the mass represent in the Schwarzschild metric for vacuum solutions?
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Graduate Does the Twin Paradox Involve More Than Just Velocity?
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Graduate Help understand FTL causality implication
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Graduate Orbital decay of PSR B1913+16 and the use of averaged dE/dt vs. instantaneous dE/dt
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Graduate Is it true that in general relativity length does not exist?
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Graduate Re-parametrization of Geodesics: Can You Confirm?
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Graduate [SR] - Photonic Reference Frame
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Graduate Transformation of an acceleration vector under a basis change
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Graduate Einstein's Train Example: Speed of Light and Simultaneity
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Graduate E=mc2 is more complicated that I originally thought
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Graduate Lorentz Transformation Rapidity
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Undergrad Learn Special & General Relativity Online Free
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Graduate Theory of graviation for lazy people
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Undergrad Understanding the Magnetic Moment of an Electron: Definitions and Explanation
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Graduate Physical Meaning of r in BL Coordinates
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Undergrad Which Equation Correctly Represents Relativistic Kinetic Energy?
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Graduate Can the Speed of Light Be Exceeded by Manipulating Distance and Velocity?
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Graduate Time dilation and Minkowski diagram
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Graduate Gravitational field caused by a charged particle
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High School Speed of light enough to escape black holes ?
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High School Can anyone explain or correct this?
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Undergrad Why can't you reach the speed of light?
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Graduate Speed of light and time travel
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Undergrad The Eotvos Experiment: Discussion and Analysis
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Graduate Lemaitre Coordinates: Plotting Freefall & Light Paths
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Graduate Is asymmetric time dilation in twin paradox possible in SR?
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Graduate Will object with speed near the speed of light become black holes?
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Graduate Understanding Co & Contra Variants, Coordinate Free System & Parallel Transport
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Undergrad Why doesn't light move at an infinite speed?
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Graduate Time measured by free-fall observer near object?
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Graduate Fresnel equations and special relativity
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Graduate Question about length contraction
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Graduate Is existing relativity 100% correct, or are we waiting for something better?
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Graduate Equation for path of light in GR
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Graduate Why is N=4 SYM's Lagrangian Unique?
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Graduate How close could a tachyon get to a black hole and still escape?
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Graduate Gravity offsetting Velocity's Time Dialation? Trouble Understanding
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Graduate Can Light Orbit a Black Hole Inside the Event Horizon?
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Graduate GR time dilation from SR by EP
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Graduate Is Relativistic Mass an Outdated Concept?
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Graduate Time Dilation: Travel from Solar System to Proxima Centauri
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Graduate Question about a photon's momentum.
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Graduate Space-Time Invariance, Weird Names and Some Questions
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Where can I find Einstein's original papers online?
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Graduate Something fishy about special relativity?
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Graduate Understanding Complex Eigenvalues in General Relativity
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Graduate Is Time an Objective Reality or Just an Illusion?
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Graduate Relativistic relative velocity
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Graduate Does Relativistic Physics Challenge the Traditional Escape Velocity Formula?
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Graduate Boosting a Current Loop: Effects on Current Density and Charge Distribution
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Graduate Could traveling at high speed pay off financially back on Earth?
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Undergrad Confused on how nothing can be faster then light
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Graduate Relativistic electrical varialbes
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Graduate Do gravity waves imply repulsive force component?
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Undergrad Is the Temperature of Light Relative?
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Graduate If it works in 3D, then it works in 4D
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Undergrad Twin Paradox Problem: Do Twins Age Differently?
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Graduate Do Einstein's Field Equations Show Up Anywhere Else?
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Graduate How Does a Diagonal Metric Affect the Symmetry and Tensor Equations in Space?
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Graduate Form of Kruskal-Szekeres Completion
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Graduate Do wormholes require higher dimensions?
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High School How Fast Must Bill Gates Travel to Earn Minimum Wage?
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Graduate Energy- momentum tensor of photon fluid/EM- field
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Graduate Why Photon Mass is Zero: Proving it with Relativity Theory
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Undergrad Why was the concept of aether discarded in the study of light and motion?
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Graduate Interior metrics and circular orbits
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Graduate Exploring a Conformal Transformation Between 2-D Space-Times
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Graduate U and V in the Kruskal Diagram
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Graduate Is frame dragging the same as torsion?
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Graduate Commutativity of Lorentz Boosts & Rotations
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Graduate Two Observers with clocks in space moving at vrel relative to each other
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Graduate Kenneth Krane's Modern Physics muon example (SR)
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Graduate Energy density in Stress Energy Tensor
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Graduate Why does Relativity not apply in the quantum world ?
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