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 Can't a Uniform External Gravitational Field Raise Tides on Earth?
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Graduate Time Dilation & big bang Question
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Decoding Einstein: Unraveling the Genius Behind the Theory of Relativity
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Graduate Einstein's warping of space-time as a theory of gravity
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Graduate Increasing mass, decreasing force?
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Graduate The Peripatetic Albert, Round 3
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Graduate A quickly oscillating mass produces a gravitationnal wave
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Graduate The Soccer Ball Problem in Relativity
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Graduate Whatever happened to testing relativity?
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Graduate Some thoughts I've been thinking about.
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Graduate Does Time Really Exist? Debunking Common Beliefs
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Undergrad Kinetic Enrgey according to another viewer
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Undergrad Is There a Place in the Universe That is Truly at Rest?
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Graduate What If the Speed of Light Were No Longer Constant?
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Graduate Special Relativity in an (in)finite universe
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Undergrad Einstein's Theory of Mass-Energy Conversion: True or False?
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Graduate Converting Energy into Matter: Is it Possible?
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Graduate A Revolutionary Idea: Rethinking Time Measurement in Physics
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Graduate Do tachyons exist or not?if so causality will be failed
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Graduate What Are the Theories Behind the Origins of Our Universe?
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Undergrad Why Isn't the Universe Just a Big Black Hole?
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Graduate Common Errors in Anti-SR Theory: Syncing Distant Events
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Graduate Binary pulsars and general relativity
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Graduate Michelson Morley and Paul Marmet
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Graduate How Does Relativistic Doppler Shift Affect Emitted Waves and Mass?
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Graduate Relativity for people who insist on having a true physical time
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Graduate Is Time Dilation Just a Misunderstanding?
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Graduate How does speed affect perceived time in David W. Hogg's SR Book?
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Graduate What Happens When You Fall Into a Black Hole?
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Would we recognize Time Travelers?
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The Speed of Light: Comparing to What?
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Graduate String-mass near the speed of light
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Graduate Hovering in gravity makes curved space flat?
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Undergrad Why are the fundamental postulates of special relativity controversial?
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Graduate Quantum blended with a little SR
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Graduate Christoffel symbols in the Schwarzschild metric
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Graduate How Small Could the Universe Get in a Big Crunch?
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Graduate What are some suggestions for books on general relativity at the graduate level?
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Undergrad Settle a Dispute: Falling Objects & Relativity
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Graduate What causes the bending of space and time by concentrations of mass and energy?
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High School Can the equation E=mc^2 be used as a measurement tool?
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Graduate Is length contraction relative or absolute?
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Graduate A New Test of the Equivalence Principle?
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Graduate Maxwell equations and special relativety
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Graduate Answering Questions on Speeds & Waves in Relativistic Space
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Graduate Can an astronaut actually reach the singularity of a finite lifetime black hole?
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Graduate Does Traveling at Light Speed Reveal More of the Universe?
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Undergrad Solving Problem 2-8: Relative Velocity and Time Elapses
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Graduate Interpretation of GR: Change in Einstein's Understanding
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Graduate When do clocks on an airplane and on the ground differ by 1.0 s?
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Graduate Relativity and fuel consumption
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Graduate Answering Relativity Questions: Earth, Spacecraft, Lorentz Transforms
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Can Time Travel Solve Paradoxes and Alter Personal Histories?
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Graduate The Sled and the Hole Paradox in Special and General Relativity Explained
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Undergrad What is the relative speed of an object standing still on Earth?
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Graduate If Time and Space Are Relative Concepts, Then
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Graduate Interpretation of GR: Einstein vs. Contemporary Physicists
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Graduate Schwarzschild metric and BH mass
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Graduate Is Block Time in General Relativity Proof of a Fixed Future or Many-Worlds?
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Graduate The End of the Universe from the Outside In - as free-faller nears singularity
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Undergrad Is Gravitational Red-Shift a Valid Concept?
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Graduate Time & Acceleration: A Relativity Puzzle
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Graduate The Speed of Light: Relative to Us?
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Graduate How Does Earth's Rotation Speed Influence Frame Dragging Effects?
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Graduate How Do Time Cones Illustrate the Concept of Space-Time?
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Undergrad Evidence of length contraction
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Graduate Do Wormholes Require Antimatter Singularities to Function?
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Graduate Bee Swarm Relativity: Calculating Time with a Messenger Bee
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Graduate Spaceship accelerating inside a Black Hole
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Graduate Time Before Time: Physics Paper Clarifications
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High School Older faster if the universe wouldn't be expanding?
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Graduate There is only one True Singularity and It is at the Center
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Graduate What is a time-like killing vector?
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Graduate What is the Unverifiable Nature of Black Hole Internal States?
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Graduate Why does gravity rotate with the Earth?
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Graduate Change in relativistic momentum
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Undergrad Question about how we look at space
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Undergrad Gravitation Speed/Acceleration/Velocity
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Graduate Is Action at a Distance Compatible with Quantum Mechanics and Relativity?
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Graduate What software do people use for tensor manipulation in general relativity?
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Graduate E = mc^2: Identity or equality
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Graduate Is gravity really just acceleration? And what about gravitons?
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Graduate Where are we on gravitational waves/graviton?
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Graduate Calculating mass and speed from kinetic energy and linear momentum
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Undergrad Does Gravity Expand and Collapse or is it Always Present?
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Graduate Special Relativity. timespace correlation.
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Undergrad Is Einstein's Theory of Relativity Flawed?
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Graduate Can particles traveling near the speed of light create a time reversal effect?
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Graduate How Does Dark Energy Exert Pressure in the Universe?
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Graduate Event Horizon vs Singularity: Are They the Same Thing in Black Hole Physics?
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Graduate What Determines the Direction of Space Curvature by Mass in General Relativity?
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Graduate Time flow & Cosmic Background Radiation
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Graduate Question about expanding black holes
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Graduate Can two events be perceived in reverse order due to relativistic effects?
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Graduate Escape velocity outside event horizon
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Graduate Can a falling feather inside a rocket ship create a black hole?
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Undergrad Why Doesn't a Photon's Energy Knock Us Out?
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Graduate Conservation of energy in GR and symmetry
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Graduate Can an Accelerating Universe Rotate According to GR Principles?
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Graduate Into the past ?: Tricky SpaceTime Diagrams?
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