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 Velocity, Gravitational Pull & Creator's Movement: Relation?
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High School Relativistic tips of a propeller
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Undergrad Solve Ra[bcd]=0: What Permutations Work?
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Undergrad Independence of speed of light and velocity of source
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High School Can Time-Reversed Gravitational Waves Be Detected or Recovered?
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Undergrad Do Event Horizons Really Exist?
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High School Gravity on Earth: Explaining Trampoline Warping & Tides
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High School General Relativity and Gravity?
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Undergrad Reducing Riemann Components to 20 - Step-by-Step Guide
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Undergrad Gravitational Waves & Gravitational Pull: Explored
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Undergrad Is the Linear Ehrenfest Paradox Accurate for Circular Motion?
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Undergrad Calc Precession of Mercury Orbit: Stress-Energy Tensor=0?
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High School Gaussian Curvature and Riemmanian Geometry
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Graduate Can Interstellar Travel Be Achieved Through Advanced Relativity Calculations?
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High School Does LIGO's Detection of GW150914 Confirm General Relativity?
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Undergrad Solving Tangent Plane Approximation in Einstein Gravity
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Undergrad Learn About Tensors: Simple Explanations & Examples
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Undergrad Isolated/Closed Systems: Relativistic Thermodynamics Explained
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Undergrad What Causes Different States of Mass and Energy in E = mc²?
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High School Cosmic Ray Muons: Finding Experimental Data for Special Relativity
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Undergrad LIGO and speed of propagation of gravity
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Undergrad What Happens to Time in the Twin Paradox of Relativity?
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High School Theory of Relativity: Time Dilation & Age Difference
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Undergrad What is the resolution to the problem with E cross B field and E>B?
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Undergrad Did Scott Kelly age less than his twin, or more?
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Graduate Effect of Blue-Shifted GWs on Particles
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Undergrad Energy of a Rotating Binary system
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Undergrad Why Does GR Not Allow Global Reference Frames?
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Undergrad Special relativity thought experiment
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High School Brian Greenes' Tornado Analogy
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Undergrad Do gravitational waves transmit energy in all cases?
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Undergrad Gravitational Waves: Time, Synchronization, Speed
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Undergrad Relativity & Uncertainty: Exploring the Impossible
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Undergrad Twin Paradox Resolution -- Inertial frames
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Undergrad Frame-Independent Set of Events?
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Undergrad Effects of Stretching Space Time: Questions & Answers
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Graduate Frame of Reference & Time: Defining Time Without a Ref.
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Undergrad Does mass become infinite near the speed of light?
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Graduate ALIGO interferometer sensitivity
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Graduate Can Light Move Inside a Black Hole Event Horizon?
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Graduate Are Gravitational Waves and Waves Transmitting Curvature Changes Different?
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Graduate Understanding a0 in Paper: Page 9 of 1405.1283v1
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Undergrad Anthropic Lower Limit on Cosmological Constant
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Graduate Spacetime Engineering by Superposition of GWs: Feasible in Theory?
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Graduate Force based explanation of gravity waves still possible?
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Graduate How did LIGO estimate the distance of the black holes?
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Undergrad Shooting Video on Planet Z Near a Black Hole
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Graduate LIGO GW150914 Data Release & Tutorial
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Gravitational waves: who gets the Nobel Prize?
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Graduate Gravity & Photon Trajectory: Is Wavelength a Factor?
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Undergrad Is Gravity Really the Weakest Fundamental Force?
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High School What's the reference frame for the universe as a whole?
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Graduate Perihelion Shift in Near-Circular Orbits: 6πm/a + Higher Order Terms
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Undergrad Travelling (at) the speed of light away from a lightsource
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Graduate Proof for Lorentz Transformation of Momentum: Step Explained
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Graduate Time dilation and acceleration due to gravity
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Graduate Is there a smallest possible gravitational wave?
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Graduate A drunk falling into a black hole
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Graduate Simple derivation: sphere contracting under gravity
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Graduate Equivalence principle and mass
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Graduate Calculate Parallel Transport: Get Out of Logical Loop
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Graduate Relative Velocity Between Colinear Free-Falling Objects | GR Answer
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Graduate Unresolved background of gravitational waves?
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Graduate What does the polarization of a photon signify in quantum field theory?
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Graduate Assumptions of the Schwarzschild solution to the EFE
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Graduate What Happens to Mass When Black Holes Move?
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Graduate Gravitational self-interaction
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Graduate Can a gravitational wave kill you?
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Graduate Is light speed really constant?
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Graduate Can a non-local manifold coexist with a spacetime manifold?
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Graduate Detecting Interference Pattern Changes in LIGO Measurement
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Graduate Understanding Lorentz Transformation & Time Travel at Light Speed
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Graduate GW150914 Redshift: Cosmological & Gravitational
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Graduate Gravitational Waves: Were They Stronger Long Ago?
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High School Relativity of Simultaneity - Missing Event
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High School How Does Relativity Deal with Simultaneity as a Requirement?
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Graduate Line element and derivation of lagrange equation
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Graduate Dr Greg Blocking Question: Why?
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Graduate Derivation of the Christoffel symbol
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Graduate Recording gravity waves over the noise floor
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Undergrad Relativity of Simultaneity and Time
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Graduate Q&A: LIGO Gravitational Wave Detection
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Graduate Unraveling the Mystery of Information in Black Holes
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Graduate Magnetic Field due to a Point Charge
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Graduate How to synchronize clocks in accelerating frame?
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Undergrad Gravitational Wave Discovery & Einsteinian Gravity: What's the Connection?
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Graduate Definition of Energy: Post-Relativity Questions
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Graduate Is there a connection between sound waves and gravity waves?
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Graduate Accelerations: Transformation of Newton potential
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Graduate Gravitational Waves-Longitudinal or transverse
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Undergrad Why is microgravity experienced on the ISS despite the presence of gravity?
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Graduate Chicken or Egg? Gravity & Spacetime
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Graduate Example Application Ricci Tensor & Scalar for 3D Understanding
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High School Who really understands time dilation and relativity?
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Graduate Explicitly Deriving Spinor Representations from Lorentz Group
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High School Can light cones in relativity really be represented as hemispheres?
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Graduate How Does Relativistic Speed Affect the Force Exerted by a Train on Rails?
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Graduate Diagnosing an Equation in General Relativity
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Graduate Seizmic Activity & Quantum Gravity: LIGO Info & Plans
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Undergrad Increase Mass/Energy of Stationary Spacecraft?
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