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 Do Moving Train Tracks Appear Shorter Due to Length Contraction?
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Graduate Is Time Just an Arbitrary Measurement or a True Dimension?
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High School Speed of Light: Educating Myself & Question
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Graduate Bell's Spaceships Paradox explained.
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Graduate What is the Andromeda Paradox and its implications for time travel?
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Graduate Does Travel Distance Affect Aging in the Twin Paradox?
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Graduate Prove that 4 vector potential is really a 4 vector?
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Graduate Can you prove a theorem from Bergmann chapter 8 using Fig. 8?
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Undergrad EM Field Generation and Energy: A Simple Explanation
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Graduate Which is the densest star and how much does it bend light rays?
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Graduate Lorentz contraction from space-time interval invariance
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Graduate Twins Paradox: Symmetry & Acceleration
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Graduate What is Meant by Time & Space Being Continuous ?
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Graduate Understanding Basis Vectors for Tensor Differentiation
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Graduate Universal expansion velocity SR or GR?
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Graduate Is acceleration the cause of time dilation and synchronization discrepancies?
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Graduate How Do Time Dilation and Space Expansion Affect Gravitational Redshift?
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Graduate Can a 4D Schwarzschild Manifold be Embedded in 5D Hyperspace?
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Graduate What is the equation for time dilation in gravitational fields?
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Graduate Understanding General Relativity without Tensors
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Graduate GR explanation of Newtonian Phenomena
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Graduate What is the difference between Lorentz invariant and Lorentz covariant?
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Graduate Einstein simultaneity: just a convention?
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Graduate How Does Relativity Redefine Motion in Physics?
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Graduate Time slows at the speed of light
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High School How would the speed of light affect your mass?
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Graduate Meaning of Curvature Scalar (R) in GR & Its Evolution
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Graduate Newie relativity question: proper time vs. arc length?
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Graduate Can particles move tangentially around a black hole's event horizon?
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Graduate Twin Paradox: Understanding Who Ages Less
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Graduate Understanding De Broglie's Wave-Frequency Relationship
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Graduate Who Ages More in the Inverse Twin Paradox?
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Graduate Basic thing with general relativity
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Graduate Speed of light in a different medium
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Undergrad Time and speed of light problem
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Graduate Description of magnetic field in black holes
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Graduate Solving the Paradox of Length Contraction on a Train
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Undergrad Is Faster Than Light Travel Possible?
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Graduate Relativistically correct exression for Lorentz force
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Undergrad Velocity of Objects Relative to Speed of Light
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Graduate Twins' paradox and acceleration
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Graduate What is the significance of the Gamma-Relativity connection in modern physics?
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Graduate Will the Alpha Centauri Lottery Winner Change with Rocket Acceleration?
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Graduate Loss of simultaneity explained by classical physics
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Graduate Understanding the Twin Paradox: Time and Length Contractions Explained
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Graduate Is the singularity actually a manifestation of a higher dimensional object?
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Graduate Does a Black Hole Distinguish Particles?
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Graduate Absolute speed of light conundrum
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Graduate ?Strange? interpretation of Time-Dilation and it's implications
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Graduate Time dilation explanation for gravity?
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Graduate Is a Gauge Theory of Gravity Possible in Flat Spacetime?
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Graduate Time Travel with Laser Ring: Dr. Ronald L. Mallett's Theory
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Graduate Relativistic cyclotron frequency
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Undergrad Is PBS's Layman Explanation of E=mc^2 Accurate?
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Graduate How can we tell if a given tensor is a curvature tensor?
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Graduate Expanding Universe: Doubts & Questions
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Graduate Everything travels at the speed-of-light ?
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Graduate Lorentz Question II: Doppler Shifted Freq. & Time Dilation
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Graduate Reconciliation of Maxwell's Equations with Relativity
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Graduate Another twin paradox variation
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Graduate Definition of Curvature for Sphere in Relativistic Cosmology
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Graduate Is Lorentz transformation absolute
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Graduate What are the meaning of monopole character and dipole character?
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Graduate Time Dilation Near Black Holes: A Consequence of Mass and Singularity?
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Graduate What is the Nature of Singularity Semantics?
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Graduate Question on both Time Dilation and Lorentz Contraction
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Undergrad At what speeds does relativity become noticable?
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Graduate Possible Practical Applications of Gravity Waves
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Graduate Creating Gravity Waves: Research Progress
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Graduate Time & Relativity: Grasping the Inconceivable
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Graduate What Determines the Energy of a Two-Body Rotating System in General Relativity?
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Graduate Relative velocity of third object
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Graduate How does Lorentz transformation manage to maintain the speed of light constant?
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Graduate How can length contraction of a rod be measured?
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Graduate Gravity vs Diffraction in Troposphere of a Star
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Graduate Particle speed on a relativistic wheel?
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Graduate On the speed of light, accelerate toward mass
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Graduate Confining a photon to form a black hole
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Graduate Why is the history of special relativity often overlooked in textbooks?
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Graduate Dingle's Dilemma: Solve the Puzzle
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Graduate What are the implications of a Euclidean interpretation of special relativity?
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Graduate Understanding Field Shift: The Doppler Effect and the Speed of Gravity Explained
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Graduate Mathematics prerequisite to that of relativity
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Undergrad What do i need to know to move on to the Relativity ?
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Graduate Unraveling Redshift and Blueshift Confusion in Relation to Relativity
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Undergrad Twin Paradox: Explaining Time Dilation and Length Contraction
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Graduate (E,p)(E,-p) What pushes on a scale?
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Graduate Does a photon curve space-time, i.e., produce a gravitational field?
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Graduate Use of covariant derivative in general relativity.
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Graduate Gravity Probe B and 'frame dragging'
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Graduate Apparent superluminal velocity of galaxies
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Graduate Can Electromagnetic Forces Cause Relativistic Effects on Spin Particles?
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Graduate Conservation Laws: Matter and Antimatter Annihilation in a Sealed Box
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Graduate How can we see light moving with us if its speed is reduced by a factor of 100?
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Graduate Expression for the total energy of a particle of rest mass
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Graduate Special Relativity question (from non-physicist)
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Graduate Questioning examples often used to introduce the basics of relativity
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Undergrad What Causes the Asymmetry in the Twin Paradox of Time Dilation?
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Graduate Does the Earth's spin impact time dilation for satellites and GPS receivers?
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Undergrad How Does General Relativity Affect Satellite Orbits and Time Dilation?
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