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 Magnetism seems absolute despite being relativistic effect of electrostatics
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Graduate Special relativity and rest mass of a photon
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Graduate Looking for Post on Uniform Acceleration in Relativity
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Graduate Understanding Active Diffeomorphism in Einstein's Hole Argument Explained
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Graduate Magnetism as a relativistic effect
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Undergrad Zero Gravity: ISS Orbit & Neil Degrasse Tyson
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Graduate Lorentz Vs. Einstein Who Wins?
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Undergrad Constant c and not its invariance.
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Undergrad Please help me I want special relativity practice problems.
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Graduate Einstein equation and particle jets
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Graduate Length Contraction rearrangement
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Graduate How Does Mass Relate to Time in Relativity Theory?
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Graduate What is the problem with gravity?
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Graduate Where does binding energy, or internal kinetic energy exist?
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Undergrad Why does c have to be the speed of light
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Graduate Curved trails by motion of heavenly bodies in space
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Graduate Why should the speed of light be the same in every frame of reference.
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Graduate Two layered discs rotating at relativistic angular velocities
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Undergrad Why is C Invariant? FORs Explained
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Graduate Explanation time dilation/duration by a force maybe
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Graduate Plane wave in Minkowski space-time
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Graduate Understanding the Origin of Gamma Factor in Lorentz Transformation
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Graduate Center of momentum frame with photons?
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Graduate Hermann Minkowski's 1908 Law of Motion Explained
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Undergrad Understanding Special Relativity: The Equation E = mc² Explained
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Graduate Is the Norm of Four-Acceleration Always Equal to Proper Frame Acceleration?
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Graduate Understanding the Meaning of \oplus in Special Relativity
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Graduate Is travel at almost infinite speed (FTL) actually possible?
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Graduate Region the light never reaches the 'uniformly-accelerated' observer?
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Graduate Whats the physical meaning of a covariant derivative?
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Undergrad Time dilation analogy. Please tell me if this is accurate.
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Graduate Unraveling the Mysteries of Special Relativity
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Graduate How Does Gravity Affect Light with Zero Mass?
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Graduate The No Hair Theorem and the Gravitational Field of Black Holes
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Graduate How Does Relativistic Two-Way Momentum Appear to Different Observers?
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Graduate Why do we use the tangent and cotangent space?
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Graduate Galilean Invariance and the Special Principle of Relativity
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Graduate How to use S-metric to periastron precession of binary stars
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Graduate Precession of Mercury: Understanding Direction & Newtonian Gravity
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Graduate A good grad-level intorduction to general relativity
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Graduate Should a neutrino be moving slightly slower than c?
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Graduate Electromagnetic tensor in cylindrical coordinates
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Graduate Reframing the Special Theory of Relativity
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Graduate Deflection of light through a relativistic glass rod.
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Graduate Fingerprint of God type physics; what's meant and what qualifies?
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Graduate Measuring Frequency of Trans Planckian Blue Shift
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Undergrad Rest energy of a sample of pure matter
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Graduate Why can't photons reverse annihilate ?
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Graduate General Relativity: Gravitational time dilation of photons and Fabric of Space
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Graduate Doppler shift of a signal reflected in a mirror moving away from the observer.
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Graduate What are present problems with alcubierre drive?
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Graduate Can a Tachyon Observe Light Traveling Faster Than Itself?
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Undergrad A compressed spring has more mass
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Graduate Since space and time are relative shouldn't matter and energy be also?
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Undergrad Why do electrons revolve so fast?
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Undergrad Understanding the Concept of Relativity: Unraveling the Confusion
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Undergrad Why do you need to measure the speed of light in two directions?
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Graduate Constancy of c - second postulate
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Graduate What is the real meaning of lengh contraction of SR
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Undergrad Idea's for FTL and Space travel
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Graduate Addition of Velocities: A photon emitted backwards
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Graduate Can We Pair Composition of Velocities with an Expanding Universe?
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Graduate Basic question about TD and LC
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Graduate Do Observers Experience Black Hole Event Horizons Differently?
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Graduate Question on General Relativity
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Graduate Relativity: The General and Special Theory by Albert Einstein
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Graduate Light speed spaceship time travel conundrum
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Graduate What does symmetry in GR mean and where does it lead?
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New Test of Relativity: Settling the Debate with an Experiment Tonight
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Graduate Thoughts on electrically charged black holes
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Graduate Applying time dilation and length contraction to measure parralel c
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Graduate Orbits of a Killing vector field
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Graduate GUT Unifying Underlying Fields: Is It Beyond the Standard Model?
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Graduate What is the role of the einbein in BRST quantization?
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Graduate What kind of tensor is the electromagnetic field tensor?
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Graduate Conserved quantities in the Doran Metric?
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Graduate Value of g near a black hole (re-visited)
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Graduate Four-Vector Problem: What Am I Missing?
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Undergrad Can Photons Really Have Zero Momentum and Energy?
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Graduate 3+1 slicing of spacetime question
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Graduate Is Newtonian spacetime flat too?
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Graduate How Do Mass Constraints Affect Space-Time Diagrams in the De Sitter Light Cone?
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Graduate A question about how to understand the relativity
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Graduate Closing speed and length contraction paradoxes
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Graduate What happens in the restframe with lightsource?
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Graduate Are Geodesics and Projectile Trajectories Equivalent in Curved Space-Time?
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High School The speed of light. What's the story, really?
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Graduate About the principle of relativity
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Undergrad Magnitude of a velocity vector with special relativity
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Graduate Is there a new objection to wormholes based on information loss?
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Undergrad Atomic clock used in spaceships
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Graduate Lorentz Transform Derivation questions
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Graduate A basic question about the use of a metric tensor in general relativity
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Graduate What are the Christoffel symbols for the Schwarzschild metric?
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Graduate How can we define the induced metric on a brane?
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Graduate What's wrong with these pictures?
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Undergrad Time & Mass: Newbie Questions from a Spaceship Observer
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Graduate Does Inflation Affect the Perception of Time in Expanding Space?
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Graduate Hawking Radiation and the Hologram Theory
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Graduate Raychaudhuri equation for shear
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