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 Time Dilation of Stationary Photons
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Graduate Can Any Continuous Coordinate Transformation Be a Local Poincare Transformation?
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Graduate MTW Formula 25.38 Coordinate Time
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Undergrad Possibility of Traveling Faster Than Light?
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Graduate How would this experiment play out? Length contraction / black hole
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Graduate Learning General Relativity Without Money: An Internet Guide
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Graduate Can a train traveling near light speed really enable time travel?
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Undergrad Question about the theory of relativity.
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Graduate Well-motivated theories with nonzero PPN ζ?
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Graduate Relative Length to Relative Volume
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Graduate Is There a Fundamental Limit on Acceleration in the Universe?
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Graduate Force due to gravity vs force due to accelratio
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Undergrad Could Rapid Spinning Affect Gravity on the Moon?
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Graduate Simultaneity in General Relativity
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Graduate Einstein's second postulate (one-way speed of light)
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Graduate Why are mass and energy related by the speed of light?
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Undergrad How Does Matter Curvature Affect Spacetime in General Relativity?
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Graduate Questions about Einstein SR interpretation
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High School Understanding Einstein's Famous Formula: E=mc2 and Its Significance Explained
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Graduate Why isn't light described in terms of the vector potential?
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Graduate Geometric interpretation of the spacetime invariant
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Graduate Time dilation in an acc. vs gr. field
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Graduate Absolute motion's point of reference
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Graduate Newtonian vs Special Relativity: Arguments Against Special Rel
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Graduate Is the Twin Paradox Real or Just Apparent in Relativity?
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Graduate Law conservation of charge relativistic
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Graduate Electromagnetic waves relativistic
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Graduate What is the significance of the Lorentz transformation matrix and its trace?
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Graduate Gravity vs Inertia: Einstein's Simple Experiment Explained
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Graduate Does flat spacetime actually exist around us?
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Graduate Confused about this blueshift/redshift paradox
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Graduate How do spinors differ from tensors?
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Graduate Electromagnetic Potential Gauge Transformations
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Graduate Does General Relativity Affect Electrostatic Forces?
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Undergrad Can anyone explain Gravity to a biologist?
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Stopping Time: Methods and Possibilities
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Undergrad How Does Gravity Affect Energy When Jumping on the Moon?
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Graduate Can Light Hook or Tether Enable Faster Than Light Travel?
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Graduate Simultaneity and a thought experiment
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Graduate Opposite Side of GR: Is it Possible?
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Graduate Is Time Dilation Creating an Infinite Loop Between A and B's Observations?
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Graduate Frames can really travel faster than light?
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Graduate Grandfather Paradox: Debunking the Myth of Time Travel and Altering the Past
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Graduate Why do we specify chart image is open?
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Graduate The Flaws of General Relativity: Is Space Really Constant and Defined?
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Graduate Photon & Time: Is Movement Possible?
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Graduate Curvature of spacetime inside of stars and planets
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Graduate Time dilation due to SR plus GR
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Graduate Synchronization of Earth clocks
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Graduate Most fundamental reason why boosts have to have L(-v)L(v)=I?
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Graduate Is Minkowski Space Considered a Metric Space?
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Graduate Blue shifted cosmic microwave background photons
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Graduate No. of field equations and components or Riemann tensor?
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Graduate General Relativity and Heisenberg Uncertainty
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Graduate Can you fall into a non-accreting back hole?
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Graduate Constructing a Valid Coordinate System for Local Flatness in General Relativity
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Graduate Tidal Effects in the Schwarzschild Metric
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Graduate What is the exact change in frequency for an approaching object?
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Graduate How does light behave when emitted opposite to the movement of its source?
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Graduate Gravitational redshift from doppler shift
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Graduate I am missing something in the train paradox
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Undergrad How Does Galaxy Rotation Impact Rocket Ship Travel?
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Graduate See light that is red-shifting z > 5.4
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Graduate What is the Krasnikov Metric for Wormholes and How Does It Create Exotic Matter?
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Graduate Antisymmetric Metric: Exists in GR?
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Graduate Angular momentum in curved spacetime
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Graduate How to draw a spacetime diagram
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Graduate Could Special Relativity Explain Pioneer Spacecraft's Gravitational Anomaly?
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Graduate How do you calculate delta-T' for an observer traveling near a black hole?
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Graduate The Speed of Light - Nothing can go faster?
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Undergrad Could someone explain the fourth dimension?
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Graduate Can Two Black Holes Merge Without Breaking Thermodynamic Laws?
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Graduate Converting Redshift to Velocity: The Accurate Formula Explained
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Graduate Experimental tests of the stress energy tensor
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Graduate Can you help me with this equality?
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Graduate Gravitational acceleration VS the speed of light
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Graduate The Schwarzschild Metric - A Simple Case
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Graduate Light, gravity, and red shift.
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Graduate How Do Four-Vectors Add Nonlinearly in Relativity?
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Graduate What Does Anisotropic Effective Mass Mean?
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Graduate Can Gravitational Waves Exist in a Static Spacetime?
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Graduate Time Dilation: Clark Kent's Scenario
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Graduate Irrelvancy of motion in C perspective
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Graduate Understanding General Relativity: Gravity Warping Space-Time
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Graduate Perihelion advance expressed differently
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Graduate GR/Hawking Radiation Contradiction
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Graduate How Does the Minkowski Metric Explain Special Relativistic Effects?
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Graduate Can someone explain Gravitational Time dilation?
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Undergrad How Does the Expansion of the Universe Affect Inertia and Mass?
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Graduate Why Does the Minus Sign Matter in Space-Time Interval?
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Graduate Postulate Approval: Get Help from Physics Experts
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Undergrad Needing a solid example of a composite mass value
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Graduate On black holes and relativity.
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Undergrad Any alternative article websites for students/teens?
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Graduate Light & Gravitation: How Do We Know & Prove It?
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Graduate Universe inflation faster than c
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Graduate Is the Gravitational Constant a Tensor or a Constant Derived from Experiment?
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Graduate How Does Length Contraction Work in Einstein's Relativity?
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Graduate Another Way of Looking at Gravitational Time Dilation?
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Graduate Is Minkowski space the only Poincare invariant space?
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