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 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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Undergrad Black holes & expanding universe
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Graduate There is no gravitational dipole
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Graduate Does Time Stop in a Black Hole?
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Graduate Relative Velocity: General Relativity Views & Choices
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Graduate Does Relativistic Kinetic Energy Account for Mass Increase at High Speeds?
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Graduate How Does Time Dilation Challenge Our Understanding of Time in Relativity?
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Graduate Magnetism and radiation as a consequence of SR
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Graduate The Pseudo-Tensor H for Torsionless Space-Time?
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Graduate Time dilation experiments with spacecraft
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Undergrad Is Tensor Algebra Necessary to Understand General Relativity?
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Undergrad Difference between mass (relativistic & non)
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Graduate The Future Predestined? Near Lightspeed Travel & Quantum Teleportation
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Graduate Discover the World of SR and GR Theory: Free Resources and Expert Tips
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Graduate Galileo's Relativity: Theory of Clocks Synced by Signal?
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Graduate Question about speed of light and black holes
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Graduate How Can Numerical Solutions to General Relativity Enhance Computational Physics?
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Graduate How Does the Twin Paradox Illustrate Time Dilation in Relativity?
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Graduate Gravitons & spacetime-curvature-geometry
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Graduate Equations of Motion with Covariant Derivatives and Momentum Density
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Undergrad Is Spacetime Curved by Gravity?
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Graduate How Does Relativity Explain Magnetic Fields from Moving Charges?
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Graduate C - Speed of Light: Is Time Relative?
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Graduate Can space-time rotations create time machines in General Relativity?
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Graduate Obtaining the Hamiltonian for Einstein's Lagrangian: A Wheeler-De Witt Approach
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Graduate What are the limits of acceleration in special and general relativity?
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Graduate Silly classical + relativity question.
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Graduate Locality and non-locality in period measurement
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Graduate How does the direction of rotation impact time dilation on a rotating object?
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Graduate Is Relativity Valid Inside Matter?
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Graduate Rotating Disc & Speed of Light ?
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Graduate How Does Gravity Warp Spacetime for a Planet's Path?
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Graduate What is the relationship between the Doppler effect and proper time?
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Undergrad Where will the lead and plastic balls settle in microgravity?
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Graduate What if inertial mass did NOT = grav. mass?
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Graduate Weyl tensor on 3-dimensional manifold
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Graduate Interpreting Time, Mass & Length in Special Relativity
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Graduate Relativistic and not relativistic motions
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High School Question about speed of light and water
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Graduate Experimenting with the speed of gravity
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Graduate Speed of light in an inertial frame
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Graduate Speed of light in a black hole
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Graduate Is the Earth Flat? An Analysis of Spacetime Curvature
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Graduate Learning General Relativity: A Beginner's Guide
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Graduate What is the significance of the weak field approximation in general relativity?
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Graduate How Does Time Dilation Affect Light Speed from a Moving Spaceship?
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Graduate Gravitational Time Dilation.Or not?
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Graduate Constant speed of light in vaccum?
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Graduate Contact Aliens: Faster Than Light Speed?
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Graduate A frame dragging experiment in an accelerated reference frame
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Graduate Time in SR and relativistic mass
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Graduate Did the Frame-Dragging Experiment Validate the Theory of Relativity?
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Graduate Minkowski's 4 dimensional world
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Graduate Spinning Objects in GR: Can a Geodesic be Traveled?
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Undergrad Dilated Time: What were they smoking?
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Graduate Gravity Mystery: Ask "GR Crowd" for Deeper Understanding
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What's wrong with this thinking?
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Undergrad Is Light a Wave or a Particle in Spacetime?
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Graduate Experimental Proofs of Special Relativity: Myons, Bertozzi & More
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Graduate Subtle Distinction: Speed of Light for All Observers
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Graduate Massive objects traveling near the speed of light
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Graduate Is Time the Key to Understanding Dimensions?
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Graduate Do Wormholes Really Exist? Evidence and Explanation
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Graduate Difficulties with interstellar travel
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Graduate Does Using a Sound Clock Affect Lorentz Transformations in Relativity?
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Graduate Can a frame of reference be wrong in determining motion in space-time?
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Graduate Two black holes falling head-on
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Graduate Clock Synchronization: Einstein's Procedure & Others
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Graduate Guessing the experiment performed in I' by observers from I
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Graduate Of sailing and relativity and titillating patterns
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Graduate Evaluating the Elapsed Time Difference Between Clocks in a Gravitational Field
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Graduate Painleve-Gullstrand coordinates
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Graduate Metric Elements and Einstein Equations in a Variable-Dependent Formulation
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Graduate Understanding Violation of Causality: Explained by Reference Frames
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