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 ICAL SCIENCE: Unraveling Hawking's Paradox and Controversial Theories
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Graduate Is General Relativity Actually an Aether Theory?
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Graduate SR transforms of matter/light interactions
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Graduate A moving clock lags behind a stationary clock
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Undergrad Why Mass Doesn't Always Add When Two Systems Combine
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Graduate Twins Paradox: Does Twin A Die?
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Graduate Relativity and Absolute Space: A Reconciliation?
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Graduate Inertial mass, invariant mass and the photon?
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Graduate Black Holes and the Event Horizon?
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Graduate How Fundamental Is General Relativity in Understanding Black Holes?
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Graduate What is the Meaning of Action? Investigating the Connection between GR & QM
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Graduate Einstein's original paper question
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Undergrad Evidence for length contraction
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Graduate Is Light-Like an Appropriate Term in Minkowski Space Terminology?
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Graduate Correct derivation of magnetism from SR
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Graduate Photons Perceive Universe as 2D: A Curious State?
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Graduate Gyroscopic action on earth surface
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Undergrad Why Doesn't Relativity Apply to Light?
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Undergrad Einstein's theory of relativity?
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Graduate Relative Velocity II: Defining Relative Velocity in GR
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Graduate Dark Energy & Curvature of Spacetime
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Graduate Are the transforms instantaneous?
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Graduate What Sense Does High Velocity Travel Make? - Oh-My-God Particle
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Graduate Correct formula for gravitational redshift
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Graduate Nail and cylinder problem in SR
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Undergrad Special Relativty and Inertial Reference Frames
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Undergrad How Relativity Connects Electric and Magnetic Fields
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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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