Special and General Relativity Forum

Graduate T constant lines in Minkowski Conformal Diagram

Undergrad Need help understanding time dilation

Graduate What Happens When You Observe Objects While Traveling at Light Speed?

Graduate Two Questions on General Relativity & String Theory

Graduate Why Does FTL Travel Lead to Time Paradoxes?

Undergrad Does incurvation of space requires energy?

Graduate Intersection of bars moving at v>c

Graduate Velocity of our universe through time?

Graduate Measuring Light Speed with MMX in Water

Graduate Transformation law in curved space-time

Graduate Learning Light Cones: Seeking Understanding

Graduate Field Lines in Expanding Space Explained

Graduate Why Does Jill See Bob's Speed Differently in an Alternate Universe Race?

Graduate Let a clock A be at rest in an inertial frame and let a clock B rotate

Graduate How does the concept of light cones relate to time travel?

Undergrad Curvature of Space: Explaining Gravitational Forces

Graduate Causal structure of spacetime: intuitive reason for non-compactness?

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Graduate Special Relativity: Theoretical Questions

Graduate Single positive electric charge in a closed universe

Graduate Killing vectors of minkowski space

Graduate More questions about relative speeds.

Graduate Does Einstein's Theory of Relativity Substantiate the idea of Time Travel?

Graduate Frame dragging from a light beam

Graduate Pioneer 10 Anomaly: Revising GR Physics Model with Intriguing "Nudges

Graduate Covariant and Contravariant Vectors

Graduate Geometry Behind g_μν Λμ ρ Λν φ = g_ρ φ ?

Graduate Does the metric have to be symmetric? Why?

Undergrad Condition for a particle to move relativistically

Graduate Growing Block Universe: SR & GR Compatibility

Graduate Relativistic correction for gravitational acceleration

Graduate How long does it take to reach the singularity in a free fall at r=0?

Graduate Is the concept of relativistic mass correct?

Graduate Is it possible rapid increase impact account for perception of time dialtion?

Graduate Can an EM Stress-Energy Tensor Exist with Equal Sigma-Values?

Graduate Landau & Lifschitz, Classical Theory of Fields

Graduate Do Photons Have a Gravitational Effect?

Graduate Density of an object in Relativity

Graduate Zeno's 4th Paradox & Quantized Space: SR & GR Effects

Graduate What are the representations and generators of Lorentz and Poincare Groups?

Undergrad How Does General Relativity Challenge Newton's Elliptical Orbits?

Graduate Question about the GR gravitational redshift experiment

Graduate Relativity of Simultaneity: Train-Platform Experiment

Graduate Einstein GR is dead, viva Einstein-Cartan Gravity?

Graduate Geodesic equation via conserved stress tensor

Undergrad How Does Stephen Hawking's Theory Connect Time and Mass?

Undergrad What is the difference between time dilation and length contraction?

Graduate The logic of information travel.

Graduate Parallel light beams converge?

Graduate Spacetime, gravitational force

Undergrad Understanding the Mass-Energy Equivalence Concept behind E=mc2

High School Help Explain Electromagnetic Induction Paradox

Graduate Question on weak field approximation

Graduate Does the formation of a black hole start with QM?

Undergrad Is the concept of relativity portrayed accurately in Ender's Game?

Undergrad Why can't light escape black holes?

Graduate Acceleration from curved spacetime

Graduate Gravitational Collapse of a Cylinder

Graduate Mass of Light: Does It Have Mass & Impact Speed?

Graduate Uncovering the Truth Behind the Founders of Relativity: A Comprehensive Analysis

Graduate Improper Lorentz transformation

Graduate How does QFT address the problem of Locality in Quantum Entanglement?

Graduate Mass of fuel would ALSO increase as spaceship comes near the speed of light

Undergrad Increase of mass and legth contracts with speed?

Graduate The experience of the infalling body of an EH

Graduate A tachyon is a hypothesized particle that has imaginary mass

Graduate What would actually be observed during Lorentz contraction?

Graduate Solving Tensor Confusion: Electromagnetic Field Tensor

Undergrad Einsteins Vs Newtonian Solution

Graduate Does GR imply small Lorentz violations in practice?

Graduate Gravity effect on observed speed of light

Graduate If correct: a catastrophe in the Lorentz transformation

Graduate SR and QED: How Particles Interact with Time Dilation

Graduate Reissner- Nordstrom metric- weak energy condition

High School Michelson–Morley experiment: Did it disprove the existence of ether?

Undergrad Help understanding a relativity train

Graduate Why does General Relativity break-down at Plank Temperature?

Graduate Searching for Lecture Notes on Lie Groups from Physics Course

Graduate Perihelion precession of Mercury

Graduate Expansion, redshift, energy loss

Undergrad Understanding Proper Time in Einstein's Special Theory of Relativity

Graduate Why Are the Terms Squared in the Lorentz Transformation?

Graduate Reconciling Energy Losses on Fast Moving Batteries

Graduate Where can I find a covariant approach to Poisson brackets?

Graduate Constatly accelerating spacecraft

Graduate Whose Clock Slows Down in Relativity?

Graduate Is Einstein synchronization trivially true?

Graduate Freely Floating Observer Crosses Event Horizon

Graduate Faster than the speed of light during acceleration?

Graduate Calculating LHC Forces on a Proton

Graduate Does light itself bend spacetime?

Undergrad Photon Speed in a Wave: How Does It Work?

Graduate What are the best lines of reasoning for why nothing can travel faster than c

Graduate Understanding Time Dilation and Its Implications for Time Travel

Graduate Even light would take an infinite time

Graduate Can Light Speed Ever Be Reached in the Universe?

Graduate Affine parameter Schwazschild

Graduate 2m car near lightspeed fall into 1m hole?

High School I just wanted to know what exactly is a wormhole?

Graduate Christoffel symbols vanishing on a curve