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 Gravitational Attraction of Motionless Masses
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Undergrad Space-Time Diagrams: Explaining & Setting Up
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Graduate Running away from a beam of light
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Graduate The Greisen-Zatsepin-Kuzmin limit.
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Graduate Can Relativity be Applied to the Motion of Atoms and Intermolecular Forces?
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Graduate Minkowski in 5-D: what is the fifth?
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Undergrad I finally figured out how to ask my question
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Graduate Minkowski vs deSitter: hyperbolic vs spherical?
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Undergrad Who is in Motion: Two People, Constant Rate
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Graduate Apparent Angular Size in Pinhole Camera Concept
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High School Why AND HOW could Time Slow DOWN?
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Graduate What does the travelling twin actually see?
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Graduate Time dilation in uniform field?
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Graduate Do Time Machines Account for the Movement of Planets and Galaxies?
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Graduate Gravitomagnetic Waves: Properties & Sources
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Undergrad Explaining the Constant Speed of Light in Special Relativity: A Beginner's Guide
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Graduate Are closed time like curves an inherent feature of rotating universe models?
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Undergrad Understanding the Speed of Force: Instantaneous vs. Speed of Light
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Graduate Speed of Gravity? Questions about the Kopeikin Experiment of Sept 8 2002
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Graduate Looking for a specific unusual solution to Einstein's field equations
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Graduate Negative time Minkowski metric
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Graduate Is Complex General Relativity the Key to Understanding Naked Singularities?
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Graduate Is there any difference left between time and space left?
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Undergrad Red shift and the train thought experiment
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Graduate What is happening when travelling towards light?
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Graduate Gravitational acceleration of relativistic objects.
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Graduate Is Vacuum Really Just Empty Spacetime?
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Graduate A thought Experiment on velocity greater than C
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Graduate Why Lowering Index on Components Affects Physical Variables
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Graduate Gravitational Potential Difference in Uniform Gravity Field
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Graduate Modified Car and ditch paradox
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Undergrad Energy Storage & Mass Change: Is There a Link?
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Graduate How exactly to calculate the age difference in Twin paradox
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Graduate Black hole - contradiction to the Pauli exclusion principle?
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Graduate Does a photon experience time or is it affected only 'instantaneously'?
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Undergrad Objects at the Speed of Light question
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Graduate Are Lorentz transforms unique?
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Graduate Falling down an infinitely deep well
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Undergrad Introduction to SR: Inertial Frame of Reference Explained
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Challenge: superluminal average speed
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Graduate The change spatial distance between 2 events
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Graduate Can a photon arrive before an observer traveling at the same speed?
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Graduate One-Way Speed of Light: Experiment Basis & Aether Theories
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Graduate Can Gravitons Escape a Black Hole's Gravitational Pull?
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Graduate Having velocity of light is like having infinite Velocity
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Graduate Is there a perfect correspondence between spacetime and reality?
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Graduate Understanding Schwarzschild Geometry: Math & Physics Requirements
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Graduate Explaining Why Light Travels in Α'Β'Γ' in Relativity
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Graduate Explore Einstein's Theory of Relativity & Time Travel
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Undergrad Just when I started to get things straught in my head.
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Undergrad No problem, glad I could help! :smile:
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Graduate Suppose relative v in S <> -v in S'
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Graduate Better understanding of causality
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Graduate Comparing Einstein's 4D Space-Time to a Fluid: Is it Possible?
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Graduate Information content of the metric, Riemannian and Ricci tensors
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Graduate Does Particle Acceleration at the LHC Lead to an Increase in Mass?
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Graduate Inverse Square Law + Special Relativity
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Graduate Unifying Relativity and Quantum Mechanics: The Challenge of Planck Units
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Graduate Stress-Energy Tensor from Lagrangian: Technical Question
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Graduate Does General Relativity Explain Tension in Space-Time?
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Graduate Time travel when velocity> light speed
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Graduate Covariant Green's function for wave equation
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Graduate Lorentz or Poincare invariant?
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Graduate A thought experiment doubt on General Relativity.
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Graduate You can't exceed the speed of light
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Graduate Speed of Light Dilation: Does Observer See Slower Beam?
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Graduate The vacuum Einstein equations and flat spacetime
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Graduate Why can photons travel faster than c?
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Graduate Thought experiment concerning worldlines
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Graduate Is a Photon the Optimal Channel for Communication Between Inertial Observers?
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Graduate Conservation law at high speeds
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Graduate Is the Speed of Light Decreasing Due to a New Interpretation of Ether?
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Graduate Can the Fabric of Space-Time Break Under Extreme Mass?
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Graduate Why is the speed of light constant and independent from the observer?
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Graduate Why Expect Gravity Waves from Distant Cosmic Events?
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Graduate Twin Paradox: Accelerating Rocket Ship from Earth in 2100
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Graduate Creating black holes through relative motion
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Graduate Is the Speed of Light Absolute or Relative in Special Theory of Relativity?
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Graduate Thought experiment: Orbiting bodies close to C
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Undergrad Does Gravity "Lose" Pulling Power?
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Graduate The Fourier-Minkowski transform?
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Graduate Another 'photon's reference frame' thread
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Get a Translation Copy of Pauli's Legendary Relativity Article - Expert Tips
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Graduate Is a falling elevator a valid inertial frame?
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Graduate Why Do Spaceships Shorten When They Fly at the Speed of Light?
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Graduate What is gauge in General Relativity?
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Graduate What is a Simple Example of a Functional and Lagrangian in Gravity?
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Graduate Understanding the Physical Meaning of Wigner Rotation
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Undergrad Is it realy true that nothing can travel faster than light? if so, why?
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Graduate General Relativity and Minkowski space question
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Graduate Structure of Minkowski Space
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Undergrad Floating in Space: Can Humans Create Their Own Orbits?
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Undergrad Mass and Speed in Special Relativity
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Graduate Help understanding special relativity concepts please.
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Graduate Is the Pen on My Desk a Geodesic and Is My Room an Inertial Frame?
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Graduate Question on Space time geometry
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Graduate Relativistic effects on apparent angular size
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Graduate How Does Gravity Influence the Speed of Light in Space-Time?
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Graduate Gravity: Effects of Curvature & Speed of Light
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Graduate Understanding Noether's Theorem: Field Theory on Minkowski Space
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