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 Why is 1/G Used in GR Lagrangian?
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Graduate Time, Spacetime & The Arrow of Entropy
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Graduate Would a Alcubierre drive produce a gravity wave wake?
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Graduate Questions About Gravitational Waves
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Graduate What Causes Spacetime to Return to Uniformity?
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Graduate Gravitational Waves and Frame-Dragging
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Graduate Many questions about the LIGO Gravity Wave Experiment....
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Graduate Gravitational Waves: Definition & General Overview
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Graduate GW Detection Confirmation: Time, Rate, & GRB?
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Graduate Relativistic Mass: Q&A on KE, Gravity & Particle Speed
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Graduate Does LIGO Ruling Out Linear Gravity Theories?
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Graduate Pull Mass from 2 Black Holes: Uncovering the Mystery of Gravity Waves
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High School Gravity-Velocity: Clarifying the Confusion
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Undergrad Michelson-Morley Exp: Does this Paper Have Validity?
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Graduate Time Dilation: Biologist's Question to Math & Relativity Experts
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Graduate Do the Conditions of the Big Bang and Light Speed Travel Share Similarities?
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Graduate Transformation to locally flat coordinates
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Graduate Is the Gravitational Twin Paradox Solved by Calculating Geodesic Paths?
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Graduate Trying to understand length contraction
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Graduate Gravitational waves speed in a medium
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Undergrad Length Contraction: Lorentz vs Einstein Explained
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Undergrad Gravity Wave Measurement: Measuring the Relative
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Graduate How did black holes merge in finite time?
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Graduate What is the Source of 3 Sun M Energy Released in BH Merger?
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Graduate How Do LIGO Photons Experience Shapiro Delay in Gravitational Waves?
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Graduate Thought experiments about Gravitational Waves
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Graduate Gravitational Waves research and Dark Matter
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Graduate Gravitational Waves, Gravitons: Does Discovery Change Odds?
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High School Relativity of simultaneity and the balance of the systems
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Graduate Why Objects Move: The Role of Space in Motion Explained
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Graduate Damping of Gravitational Waves
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Graduate How Would You Experience Gravitational Waves at 1 Light Year?
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Graduate SpaceTime... Why can we access past but not future events
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Graduate Can black holes have densities comparable to entire galaxies?
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High School Gravitational Waves: What Keeps Space-Time Together?
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Graduate Solve Reimann Curvature: Diff Geom Tips for Computing 256 Components
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Graduate Speed of Gravity Waves: An Unmeasured Assumption?
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Undergrad Hasn't Gravitational Lensing Already Proved Einstein? (LIGO)
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Graduate Oscillating masses and gravitational waves
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Graduate Gravitational Wave Shapes: 3D Oscillations, Creepy Earthworms & More
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Graduate Learning GRT: Why the High Frequency Search?
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Graduate Gravitational Waves: Speed, Catching Up & Rules
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Undergrad Duration of recently measured gravitational waves
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Graduate Can Classical Mechanics Calculate Time Dilation?
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Graduate Gravitational Waves or Tidal Effects: What's the Key Difference?
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Graduate Dispersion of gravitational waves
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Graduate Gravity Waves: Energy Transfer from Observation
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Graduate Questions About Spatial Orientation of Event w/ Respect to LIGO
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High School Gravitational Waves & Space-Time: Is There Proof?
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Undergrad Gravitational Lensing: The Impact of a Massive Earth
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Graduate Deriving geodesic equation using variational principle
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Graduate Does time stop at the singularity?
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High School Release of gravitational waves, with small collistions?
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Graduate Low speed limit of Lorentz transformations
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Undergrad Gravity Waves and Superposition?
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Graduate What must be one's speed, relative to a frame S, in order....
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Undergrad Relativity Q: Does Earthly Time Pass Slower to Outer Space Observers?
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Graduate Theoretical Understanding of Gravitational Waves
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High School Gravitational Waves and Gravitons
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Graduate Black Hole Evaporation: Confusing Red Particle & Time Dilation
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Graduate Gravity Wave Discovery and Gravitons
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Graduate How does GR allow for recession speeds >c?
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Graduate Orbit precessions - General Relativity vs Newton
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Graduate How Does Gravity Escape a Black Hole?
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Graduate 2 photons, same starting point/time, same end point
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Undergrad What Are Gravitational Waves and How Do They Work?
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Undergrad Writing an Abstract for Special Relativity: Tips & Tricks
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Graduate Problem about equality of energy formulas
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Graduate Experimental detection of gravitational waves confirmed
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Graduate Length Contraction: Does It Really Occur?
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Graduate Can We Ever Observe Inside a Black Hole's Event Horizon?
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Graduate Length Contraction & Simultaneity: Train-and-Platform Experiment
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Undergrad Acceleration without force is possible in relativity
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Graduate Understanding Relativity of Simultaneity
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Graduate Understand Contravariant Transformations b/w Coordinate Systems
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Graduate Proving Time Dilation: Troubleshooting Tips
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Graduate Gravity as geometry vs as a force
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Graduate Ray of light through an elevator
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Graduate How Do the Axes of the Minkowski Diagram Work?
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Graduate Faster than light travel implications
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Graduate Time Travel at c: Photon's Perspective
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Graduate Why Does Light Travel the Shortest Path?
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Graduate Gravity Manipulation: Benefits and Implications
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Graduate How is information lost if nothing passes the event horizon?
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Graduate What determines when events are simultaneous?
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Graduate Light Wavelengths in Moving Frames: A Closer Look at the In-Phase Problem
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Undergrad Special Relativity Books: An Illustrated Guide & Beyond
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Graduate How can EM interaction escape a black hole?
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Graduate Einstein Tensors and Energy-Momentum Tensors as Operators
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Graduate Two dimensional Lorentzian vs Euclidean geometry
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Graduate Testing Einstein's Theory: What if Bob Jumps Off the Empire State Building?
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Undergrad Why does light Ray bend in accelerating elevator but not...
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Graduate GR Metric Tensor Rank 2: Quadratic vs Shear Forces
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High School Why aren't standard rods and clocks affected by LC and TD?
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Graduate Deriving E=mc^2 from relativistic doppler effect
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Graduate Calc Rotational E of 6km Bar: Einstein's Method
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Insights Struggles with the Continuum - Part 4 - Comments
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Graduate Deriving Lorentz Transforms: Unnecessary Step?
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Undergrad Why can't Gravitational Accelerations vanish everywhere?
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Graduate Event Horizon Conflicts: Understanding the Unknown
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