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 Relative Speed Affect Gravitational Attraction?
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Undergrad Can you accelerate faster than the speed of light?
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Find Einstein's GR Papers: Read His Own Words
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Graduate What Prevents the Time Dilation Paradox in Intergalactic Travel?
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Graduate The strange world of Phil the photon
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Graduate Device to measure curvature of spacetime.
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Graduate Is it Possible to Travel Faster Than Light?
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Graduate Can someone please explain to me what the Christoffel symbols symbols are?
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Graduate Relativity: Changes & Extensions - 3 Questions Answered
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Graduate Relativity of simultaneity help
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Graduate Understanding Relativity Concepts in Interstellar Space
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Graduate How Clocks (Seemingly) Ruin Everything
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Graduate Quantitative Predictions from Higher Math? Relativity, Quantum Field, String
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Graduate Time dimension extent of a 4-dimension object
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Graduate What is the equation for stable orbits in Kerr metric?
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Undergrad Curvature in space time ? Gravity
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Graduate Preserving Magnetic Polarity in a Revolving Reference Frame
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Graduate Acceleration vs Gravity and effect on time/clocks
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Graduate If I was traveling at 51% the speed of light
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Graduate Negative moving coordinates and Time Dilation
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High School Gravity on a Moving Train: More or Less?
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Graduate Are Relativistic Mass Calculations Still Relevant in Modern Physics?
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Graduate The WHY of speed of light vs. the FACT thereof
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Graduate Does gravity REALLY pull on light? Really?
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Graduate Is Flat-Earth's Gravity Theory Flawed Due to Relativistic Acceleration?
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Graduate Both think the other's time is slower Paradox
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Graduate Understanding accelerated frame in general relativity
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Graduate Space Travel: SR Questions Explored
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Graduate Contradiction in Relativistic Simultaneity in Taylor-Wheeler Spacetime Physics?
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Undergrad The world revolves around a person
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Undergrad What is the best frame of reference?
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Undergrad Does light really travel in same frame of reference
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Graduate The Big Bang singularity - does it have infinite energy?
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Graduate Mass of Earth/Sun: Comparing in Different Frames
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Graduate Help Needed: Understanding Equation No. 3 in an Article
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Graduate Black Hole time dilation + biological paradox
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Graduate On the Electrodynamics of Moving Bodies
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High School Time Dilation: Explaining the Basics for a Sci-Fi Story
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Graduate Solve Problems in General Relativity: Books & Websites
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Graduate What Are Some Physically Relevant Higher-Order Lagrangian Systems?
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Graduate Solving for g_φφ=0 in charged/rotating BHs
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Graduate Do Black Holes Grow? Investigating the Lifecycle of a Galaxy
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Graduate Evidence for preferred frames?
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Graduate GR: "Proper Distance" Meaning and Usage
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  • Poll Poll
Graduate What happens in this scenario? (Poll)
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High School Confused about moveing through time
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Graduate Some help understanding the metric tensor
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Undergrad Impossibility of Backwards Time Travel
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Graduate Are there any energy change of photon in different frame?
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Graduate Is Faster Than Light Travel Possible Through Kinetic Energy?
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Graduate Question about Big Bang and Black Holes
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Undergrad Near Light Speed Travel & Time Dilation I don't get it.
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Thread on Lorentz Invariance Violation
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Graduate Is light bound to travel at C?
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Graduate Vector Addition in Curved Space: Invariance?
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Graduate Time dilation formula for constant acceleration on a circular path
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Graduate Gravity as an emergent phenomenon
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Graduate Two dimensional anti de Sitter space without cosmological constant?
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Graduate Random General Relativity conceptual questions
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Graduate Tolman versus Recami: tachyons
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Graduate Actual earth measurement contradicts measurement predicted by special relativity
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Undergrad Gravitational Field Strength and Acceleration on Mars
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Graduate What Is the Best Way to Understand General Relativity?
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Graduate Is a Galilean Universe Truly Separate from Space-Time Concepts?
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Graduate What would happen if an object reached the speed of light?
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Undergrad Newton's Third Law, Speed of Light, and Relativity question
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Undergrad Trying to understand Relativity
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Graduate Gravity and mass in General Relativity
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Graduate Yet another Twin Paradox thread
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Graduate Special relativity:Reality or measurment error(?
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Graduate Rotation of a vertical cylinder in a gravitational field
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Graduate I don't understand the result of my Earth-muon calculations
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Graduate What are the Three Sources of Red-Shift in Astronomical Observations?
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Graduate Linearity of Lorentz transformations
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High School Time Dilation & Stem Cell Therapy: Twin A vs Twin B
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Graduate Pedagogically direct demonstrations of SR and GR
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Graduate Why perihelion shift and not aphelion?
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Graduate Tension in slowly rotating cylinder in gravity
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Graduate Biologist Trying to do Physics - Badly
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Graduate Why does an infalling observer not see Hawking radiation?
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High School A Time Machine may be on the way
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Graduate Contradiction in Taylor-Wheeler's example of spacetime invariance
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Graduate The Plane Electromagnetic Wave in Vacuum
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Graduate Length contraction, light speed and a bomb
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Graduate Time Dilation in Rotating Bodies: Effects?
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Graduate Is it possible to decrease space-time density?
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Graduate General metric with zero riemann tensor
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Undergrad Is There a Solution for Installing GRTensorII on Mac OS X?
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Graduate Infinite brightness in the singularity?
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Graduate Relativistically Invariant Tensors
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Graduate Math: How to Convert Energy in Mass Units to Joules?
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High School Travelling at speed of light and looking in the mirror
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Graduate Limits of Frame Dragging: Can Objects Create Their Own Event Horizons?
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Graduate What Do the Einstein Field Equations Reveal About Gravity in Expanding Space?
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Undergrad How did Einstein come to the conclusion
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Graduate Layman's question about the application of the curvature to space
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Graduate Consequences of the Equivalence Principle
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Graduate Is there a connection between covariance, invariance, and dark matter?
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Graduate Maxwell's Eqns for Inertial Sys on Minkowski Space: Rindler (1977)
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Graduate Hawking Radiation: Does it Really Shrink Black Holes?
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