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 Stress-energy tensor as a 2-form
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Graduate Does SR Affect Biological Processes? A Twin Experiment
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Graduate Mass Energy: Understanding Total, Rest and Kinetic Energies
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Graduate What causes space curves? Energy or rest mass?
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Graduate Relativity without the aether: pseudoscience?
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Graduate Photons and potential energy wells.
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Graduate Lorentz Transformation - Exponential factor, why not Proportional?
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Graduate Why is t' not equal to t/sqrt(1-v^2/c^2) in relativity of time?
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Graduate A question regarding a specific interval of time and GR
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Graduate How Do You Derive 4-Acceleration from 4-Velocity?
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Graduate Infinite Curvature: Understanding Black Holes
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Graduate Is it True: "An Object Cannot Travel Faster Than c"?
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Graduate Why is 4-momentum usually given as a covector?
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Graduate Poisson brackets in general relativity
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Undergrad Energy-mass equivalence - E=mc^2
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Graduate Question regarding acceleration in spacetime
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Graduate Can Events in Relativity Be Observed Simultaneously from Different Frames?
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Graduate Worldlines - no need for ref frames?
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Graduate Gravity's Effect on Light: Spacetime Curvature Facts
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Graduate The true nature of length contraction
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Graduate The principle of the constancy of the velocity of light
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Graduate Unraveling the Mysteries of Faster-Than-Light Travel in Physics
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Graduate Light-speed is infinite, in a certain way?
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Graduate Why are there two delta x^u/v in equation (1.16) on page 9 of Carroll's GR book?
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Graduate Velocity v & c^2: Simultaneous Events
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Graduate Mutual effects of gravity and velocity on time
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Graduate Why can we not see the future?
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Graduate Do Observers at Rest See Time Dilation When Others Stop Instantaneously?
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Graduate What Evidence Supports the Existence of an Intrinsic Magnetic Moment?
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Graduate A relativity problem (train & platform)
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Graduate Light's Mass: 0 N = Infinite Acceleration?
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Graduate Understanding Ricci and K Curvature in 2 Dimensions: A Simple Explanation
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Undergrad Assume I travel near c from a planet 5 light years away
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Graduate Would a Universe-Mass Black Hole Trigger a Big Bang?
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Graduate Charged particle in a magnetic field
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Undergrad Gravitational Wave: Does Vibrating Mass Emit Waves?
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Graduate Weak and strong equivalence principles
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Graduate Relativity & Quasars: Spatial Contraction & Density
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Graduate Paths of Objects in GR: Acceleration vs Constant Velocity
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Undergrad Physics Definition: Matter, Energy, & Relativity
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High School What is the Reason for Gravitation?
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Graduate A video intro to General Relativity
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Graduate How does the size of a black hole affect its ergosphere and event horizon?
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Graduate Can Shawyer's EmDrive Really Defy the Laws of Physics?
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Graduate Light deflection at high speed
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Graduate Must an observer be equidistant from two events for them to appear simultaneous?
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Graduate EM Fields, Space-Time, Gravity: Unifying Theory?
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Graduate Is it Possible to Beat a Beam of Light and Shake Hands with Yourself?
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Graduate Is my understanding of time dilation correct?
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Graduate Can Gravity and Electromagnetism Be Unified in Physics?
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Graduate Does Rest Mass Affect the Bending of Spacetime?
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Graduate Will O' Clocks Show Different Times?
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Graduate Linear Momentum in GR: Defining & Examples in Minkowski Space
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Graduate How Do Observers in Different Frames Perceive Simultaneity Differently?
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Graduate Twin Paradox: Can You Outrun Time?
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High School Light Physics: Can Photons/Electrons Travel Together?
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Graduate Unravelling the Mystery of Light's Constant Speed: Challenges and Proofs
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Graduate What if objects go toward each other rather than away
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Undergrad Can the speed of light be slowed down and what would happen if it could?
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Undergrad Red Shifting Light - Q&A with Wendy
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Undergrad Velocity vs Distance - Clarifying a Moronic Question
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Graduate Understanding Metrics & Forces in Extreme Situations
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Graduate Does Time Dilation Create a Sense of Slow Motion for Observers in Motion?
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Graduate Will Accelerating a Massive Object Create a Black Hole?
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Graduate How Accurate Are Recent Tests of General Relativity Using the Double Pulsar?
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Graduate Entanglement and special relativity : a paradox
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Graduate Painleve orbits in Cartesian Coordinates
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Graduate Infinite Mass, Infinite Energy
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Graduate Learn GR & SR Theory: Recommended Books & Math for Dummies
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Graduate Relativity in Minkowski Space and Minkowski Diagram
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High School Why Does Approaching the Speed of Light Affect Mass and Time?
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Graduate =Special Theory Of Relativity=
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Undergrad How is the universe expanding?
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Undergrad Is the speed of light really changing over time?
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Graduate Basis for the postulate that all physics is the same for all inertial reference frame
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Graduate Can Massive Particles Ever Reach the Speed of Light?
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Graduate Special Relativity Between Reality and Illusion
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Graduate Understanding Time Dilation: A Closer Look at Relativity and Relative Motion
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Graduate General relativity and dark matter
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Graduate Yet another question that is supposed to turn SR on its head
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Graduate How Does Gravity Affect the Behavior of Light?
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Graduate Concerned on the relativity of lengths
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Why were there so many geniuses ?
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Graduate When moving fast, you're too busy to age
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Graduate Charge Invariant: Intuitive Reason?
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Graduate Why must the Lorentz Transformations Be Linear?
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Graduate From SR to GR in an easy math (and physical) way
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High School No meaning to go backwards in time
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Graduate Should i take differential geometry?
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Graduate Why didn't Einstein just invent the concept of gravitational field?
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Graduate What is the Best Self-Study Book for General Relativity?
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Graduate Understanding Lorentz Equations and the Solution to Maxwell's Equations Variance
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Graduate General Relativity + Electrodynamics #2
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Graduate What is the Meaning of Force in General Relativity?
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Graduate General Relativity + Electrodynamics
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Graduate Relativistic Interpretation of the Kennedy Thorndike Experiment?
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Undergrad What is the principle of equivalence in physics?
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Graduate What Contracts During Length Contraction in Special Relativity?
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Graduate Can the Resistance to Acceleration Reveal Your Speed Relative to Light?
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Undergrad Why do observers in special relativity see different measurements?
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