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 Light wave behavior and frame velocity in Appendix 1: Simple Derivation
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Graduate Calculating gravitational time dilation
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High School What are the Four Dimensions in Our Space-Time Continuum?
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Graduate What is the effect of the relativity of simultaneity?
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Graduate Magnetic Fields & Warping Space: Can It Be Done?
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Graduate What is the Lagrangian for geodesics in Schwarzschild coordinates?
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Graduate Relativistic centripetal force question
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Undergrad Questions on the nature of Speed of Light
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Undergrad Equal Energy Exchange in Gravitationally Attracted Objects?
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Graduate Upper Limit of Universe Rotation: 10^-8 & 10^-15 Rad/yr
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Graduate Understanding the Causes of Photon Redshift
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Graduate One more time on Hawking radiation
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Graduate Synchronizing Atomic Clocks in Inertial Motion: Planet or Black Hole?
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Graduate Is the garvitay depend upon medium and is gravitaion force is quantized?
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Graduate WMAP Data Redshift and Background Radiation
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High School Have a question about speed of light
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Undergrad Understanding Relativistic Momentum in Special Relativity
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Undergrad Opinions on Red Shift? Discuss Here
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Undergrad Relativity question(layperson level)
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Undergrad Time Dilation: Does Length Contraction Apply?
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Undergrad Simplest way of deriving Lorentz transforms
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Graduate How to calculate the contraction of metric tensor g^ab g_ab
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High School Just a question about light speed
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Graduate Can't Solve the Relativity Problem: Seeking Help
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Graduate Can Length Contraction be Proven Experimentally?
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Graduate Can Varying the Gravitational Constant Mimic General Relativity's Effects?
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Graduate How Do We Detect the Charge of a Black Hole?
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Graduate Update on Devasia Santosh's Lorentz Violation Research
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Graduate Calculate Bending of Light: Find the Middle Point
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Graduate Calculus of Variations in General Relativity
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Graduate Length Contraction: Need Help Understanding Lorentz Transformation
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Graduate What Graphs Show Time Dilation for a Twin Traveling at Light Speed?
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Graduate Absolute Time Clock Experiments: Einstein's Special Relativity
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Graduate Do all observers agree on the age of our Universe?
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Graduate Rest Length, Coordinate Length, and an argument for True Length
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High School Where can I find resources for learning Relativity as a high school student?
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Undergrad How would two massive bodies effect eachothers gravity?
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Graduate T constant lines in Minkowski Conformal Diagram
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Undergrad Need help understanding time dilation
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Graduate What Happens When You Observe Objects While Traveling at Light Speed?
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Graduate Two Questions on General Relativity & String Theory
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Graduate Why Does FTL Travel Lead to Time Paradoxes?
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Undergrad Does incurvation of space requires energy?
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Graduate Intersection of bars moving at v>c
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Graduate Velocity of our universe through time?
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Graduate Measuring Light Speed with MMX in Water
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Graduate Transformation law in curved space-time
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Graduate Learning Light Cones: Seeking Understanding
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Graduate Field Lines in Expanding Space Explained
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Graduate Why Does Jill See Bob's Speed Differently in an Alternate Universe Race?
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Graduate Let a clock A be at rest in an inertial frame and let a clock B rotate
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Graduate How does the concept of light cones relate to time travel?
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Undergrad Curvature of Space: Explaining Gravitational Forces
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Graduate Causal structure of spacetime: intuitive reason for non-compactness?
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Graduate Special Relativity: Theoretical Questions
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Graduate Single positive electric charge in a closed universe
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Graduate Killing vectors of minkowski space
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Graduate More questions about relative speeds.
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Graduate Does Einstein's Theory of Relativity Substantiate the idea of Time Travel?
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Graduate Frame dragging from a light beam
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Graduate Pioneer 10 Anomaly: Revising GR Physics Model with Intriguing "Nudges
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Graduate Covariant and Contravariant Vectors
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Graduate Geometry Behind g_μν Λμ ρ Λν φ = g_ρ φ ?
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Graduate Does the metric have to be symmetric? Why?
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Undergrad Condition for a particle to move relativistically
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Graduate Growing Block Universe: SR & GR Compatibility
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Graduate Relativistic correction for gravitational acceleration
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Graduate How long does it take to reach the singularity in a free fall at r=0?
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Graduate Is the concept of relativistic mass correct?
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Graduate Is it possible rapid increase impact account for perception of time dialtion?
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Graduate Can an EM Stress-Energy Tensor Exist with Equal Sigma-Values?
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Graduate Landau & Lifschitz, Classical Theory of Fields
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Graduate Do Photons Have a Gravitational Effect?
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Graduate Density of an object in Relativity
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Graduate Zeno's 4th Paradox & Quantized Space: SR & GR Effects
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Graduate What are the representations and generators of Lorentz and Poincare Groups?
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Black Holes: B. Green's The Fabric of Cosmos
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Undergrad How Does General Relativity Challenge Newton's Elliptical Orbits?
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Graduate Question about the GR gravitational redshift experiment
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Graduate Relativity of Simultaneity: Train-Platform Experiment
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Graduate Einstein GR is dead, viva Einstein-Cartan Gravity?
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Graduate Geodesic equation via conserved stress tensor
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Undergrad How Does Stephen Hawking's Theory Connect Time and Mass?
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Undergrad What is the difference between time dilation and length contraction?
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Graduate The logic of information travel.
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Graduate Parallel light beams converge?
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Graduate Spacetime, gravitational force
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Undergrad Understanding the Mass-Energy Equivalence Concept behind E=mc2
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High School Help Explain Electromagnetic Induction Paradox
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Graduate Question on weak field approximation
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Graduate Does the formation of a black hole start with QM?
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Undergrad Is the concept of relativity portrayed accurately in Ender's Game?
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Undergrad Why can't light escape black holes?
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Graduate Acceleration from curved spacetime
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Graduate Gravitational Collapse of a Cylinder
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Graduate Mass of Light: Does It Have Mass & Impact Speed?
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Graduate Uncovering the Truth Behind the Founders of Relativity: A Comprehensive Analysis
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Graduate Improper Lorentz transformation
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Graduate How does QFT address the problem of Locality in Quantum Entanglement?
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Graduate Mass of fuel would ALSO increase as spaceship comes near the speed of light
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