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 and Light speed communication
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Graduate How can we use distances between points to define geometry?
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Graduate Trying to understand what extremal proper time means.
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Graduate Question about time dilation in the schwarzchild metric?
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Graduate Can tensors be differentiated and if so, what is the result?
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Graduate Properties of curvature tensor in 3 dimensions?
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Graduate Black Hole Formation: Does it Start at the Center or Simultaneously?
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Graduate Question regarding light clocks and time dilation.
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Graduate The speed of light with an accelerating observer.
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Graduate Creating a black hole with any mass?
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Graduate Singularities, Density, and the Planck Length
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Undergrad Variability of the speed of light
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Graduate Can you turn a black hole inside out with charge?
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Graduate Gravity and Time Dilation: How Do They Relate?
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High School Newbie Asks: What is Spacetime?
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Graduate Are the forces of gravity subject to the Doppler effect?
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Graduate Hawking Radiation w/out black holes
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Graduate General questions about relativistic derivations and deductions
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Graduate Mathematical Skills for Understanding General and Special Relativity
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Graduate Wald: Ch. 2, Problem 8.b
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Graduate Understanding Stellar Aberration and Its Relationship to Transverse Velocity
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Graduate Calculating Vector Parallel Transport & Berry's Phase
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Graduate Is there any good reference of tetrad in GR
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Graduate Spacetime doesn't really exist does it?
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Graduate Manifold / Atlas / Chart (Building Simple Example)
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Undergrad Is gravity a bigger mystery than charge?
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Graduate A dimensional problem in relativistic mechanics
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Undergrad Does the frequency of light change as I travel toward it?
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Undergrad Velocities - how relative are they really?
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Graduate Relativistic Optics: Recommended Texts for Deeper Learning
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Graduate How are Christoffel symbols different in rotating reference frames?
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Graduate Gravity can still be caused by force?
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Graduate Scenario in an attempt to understand relativity
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Graduate Gravitons: Explained for New Learners
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Graduate Does this scenario disprove relativity?
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Graduate Mach's principle and boundary cases
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Graduate Tensor Questions: Significance & Using Einstein's Equations
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Graduate Do Black Holes Evaporate Despite Cosmic Microwave Background Radiation?
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Graduate Tortoise-like coordinate transform for interior metric
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Graduate Simple relativistic harmonic oscillator
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Graduate Newtonian limit to schwarschild radial geodesic
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Graduate Relativity Theory: Satellite Time Loss/Gain in Orbit
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Undergrad Simple relativity question [two ships]
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Graduate Any good references of Petrov Classification?
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Graduate Twin paradox, what about ageing?
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Undergrad General relativity and jet travel makes you fat?
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Graduate Special Relativity and Enganglement
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Graduate How Do The Definition Of Inertial In Relativity Relate To General Mechanics
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Graduate Understanding the Relativity-Induced Precession of Mercury's Orbit
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Graduate Accelerating to the speed of light
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Undergrad Why does the stone stop before reaching the surface at the other end?
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Graduate Is there an invariant tensor for metric under all 10 motions?
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Graduate Carlip's explanation of lack of gravitational aberration
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Graduate A oarticle traveling at c is length contracted to what?
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Graduate Length Contraction causes Time Dilation?
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Graduate Do I have time dilation right?
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Graduate Tensor algebra with derivative of the metric
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Graduate Understanding the Speed of Gravity: GR vs. SR and the Impact on Orbital Dynamics
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Graduate Time elapsed for observer (from POV of Traveler)
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Graduate The part of relativity I never got, reference frame
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Graduate Nullity of wave 4 - vector for grav. plane wave
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Graduate Does Money Have Inertia When Orbiting a Black Hole?
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Graduate If you were traveling in a spaceship that had a velocity JUST under light speed
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Graduate How can a train appear shorter to an outside observer due to its speed?
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Graduate Space time distortion grid representations
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12 year old autistic savant claims theory of relavitiy is wrong
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Graduate Does the Lorentz Force Magnitude Change Between Inertial Frames?
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Graduate Angular momentum conservation.
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Graduate Accelerating trajectories in relativity
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Graduate Solving the Mystery of Relativity: Can You Travel Faster than c?
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Graduate Geodesics on a cone in flat space
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Graduate Theoretical Astrophysics: Superdense Mass & Gravity Pull on Galaxies?
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Graduate What is the alternative form of the extrinsic curvature in Carroll App D?
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Graduate Calculating Light Travel Time in a Moving Reference Frame
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Graduate If two trains traveling at 0.5c collide head on
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Graduate Weight Measurement on Mutually Orbiting Planets
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Graduate Diffeomorphism Invariance in GR
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Graduate Lorentz Invariant Vectors and Grammatical Errors
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Graduate Self-replicating fields in EM radiation?
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Undergrad Can Gravity Affect the Laws of Physics?
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Graduate Mass inflation exactly equals time dilation?
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Graduate Which Clock Accumulates More Time in the Train Paradox of Relativity?
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Graduate Why Don't Quantum Mechanics and General Relativity Overlap?
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Graduate SLAC Electrons: Mass, Velocity & EM Energy
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High School Can gravitational influence be measured?
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Graduate Explore Relativity with Interactive Flash Diagrams
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Graduate Simultaneity in General Relativity and Problem with coordinate systems concepts.
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Graduate Why Does Griffiths Use Two Directions of Light in His Length Contraction Proof?
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Graduate Amplitude of wave stretched as well as red shift?
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Graduate Is the speed of light actually constant or just always measured to be the same?
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Undergrad How Does Newton's Gravitational Constant G Fit into Einstein's Relativity?
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Graduate Schwarzschild vs Gullstrand–Painleve and event horizons
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Graduate Gravitational mass defect, weyl metric
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High School Hair brained, universal mapping theory (nonsense ?)
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Graduate Can X4 Be Regarded as Spatial?
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High School Speed of Gravity: Learn What it is and How it Works
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Graduate What Are the Killing Vectors of the Schwarzschild Metric?
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Graduate Mass Bending Space: Theories Explored
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Graduate Space Probe vs the Sun - Relativistic Frames of Reference
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Graduate Lorentz Invariance as local limit of Bigger Manifold
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