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 Help Understanding Lorentz Factor
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Graduate Lorentz Transformation Applicability Re: EM & Casuality
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Graduate Is the intellect the absolute reference frame?
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Graduate The set of allowed trajectories in spacetime
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Graduate What is the ratio of radii for a black hole and steel ball in equilibrium?
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Graduate Can I express stationary spacetime and static spacetime in this way?
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Graduate Divergence theorem/ Surface integral
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Graduate Absolute parallelism in teleparallel gravity
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Graduate Train Paradox: Force & Curvature Explained
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Graduate Question on the reasoning behind the light clock thought experiment.
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Graduate What are valid Preferred Frames?
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Graduate Covariant VS manifestly covariant
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Graduate Albert Einstein's theory of gravity is generally explained in a wrong way
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Graduate Equivalence Principle: Are there any restrictions
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Graduate Help with equivalence principle please.
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Graduate Notation for basis of tangent space of manifold
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Graduate Exploring Time Relativity with Identical Twins: Sam & Pam
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Graduate Electromagnetic Interference in Einestien Field Equation
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Undergrad How Long Would Earth React to the Sun's Instant Disappearance?
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Graduate Are Galaxies and Quasars Inertial Reference Frames in an Expanding Universe?
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Graduate Geometry of Space-Time, Mass & Speed: Higgs Boson
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Graduate Possible changes in the Law of Gravitation
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Graduate Derivation of Newton's Third Law (?)
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Graduate Understand "Manifestly Covariant" in Relativity Notes
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Graduate Space Warping & Mass: Is There an Equation?
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Graduate Gravity Acceleration through a Hole in Earth
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Undergrad Inertial vs accelerating frame
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Graduate Stress-energy tensor in static cylindrical case
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Graduate Relativistic optics, w/ acceleration
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Graduate How Does the Geometry of Space Affect Gravitational Wave Amplitude?
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Undergrad Questions on Stress-Energy Tensor: Definition & 0 Value
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Graduate Topology of Minkowski spacetime
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Graduate Can Special Relativity Explain Accelerating Reference Frames?
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Undergrad Age Difference in Space Travel: How Does it Happen?
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Graduate Does a charge gain energy in every frame when it is accelerated?
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Graduate Does More Mass Mean Slower Time Travel?
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Graduate Solving a Calculation Problem - Basic Math/Stress Energy Tensor
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Graduate Bowling ball rubber sheet analogy
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Graduate Anti-Gravity from Matter-AntiMatter Repulsion
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Graduate Can you determine absolute motion?
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Graduate Can't we transfer information this way? Still faster than light?
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Graduate Question about the space-time fabric
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Graduate What Happens to Photon Momentum When Light Travels Through Different Mediums?
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Graduate Understanding Spacetime Bending & Gravity Effects
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Graduate Einstein's Theory of Special relativity
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Graduate Age of Universe: Is There an Alternate Perception?
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Graduate Is the Two Body Problem in GR Solvable Using Geodesics?
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Graduate Finding Lorentz Factor of a Point Particle in Curved Spacetime
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Graduate Wikipedia: using the four-velocity to understand time dilation (?)
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Graduate Mathematical Operations of General Relativity
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Graduate Normalization of a delta function in curved spacetime
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Graduate Modified Twin Paradox. (Experts required).
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What is the true nature of time?
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Undergrad Time Dilation Gamma Factor: New to STR, Confused?
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Graduate Room in Spaceship: Apparent Paradox?
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Undergrad Light emitting from an object moving near the speed of light.
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Graduate Conservation Laws vs a Spinning 'Disk Brake'
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Graduate Are acceleration and gravity completely equivalent?
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Graduate Large diffeomorphisms in general relativity
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Graduate Does the expanding universe contradict relativity?
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Graduate What is the surprising result for c_hat according to an accelerating observer?
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Graduate Will GR ever explain the flyby anomaly?
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Graduate Can 5D Wormholes Make Instant Global Shipping Possible?
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Graduate How Do Satellites Orbit Lagrange Points Without Mass?
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Graduate Explaining Relativity: Motion in a Gravity Field
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Graduate Determinism, Stokes' Theorem and Relativity
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Graduate Adding Velocities: Formulas & Calculations
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Graduate Inside the Event Horizon: The Relativistic Effects on Mass and Light
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Graduate How Does Relativity Affect Our Perception of Time and Space?
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Graduate Does an electron moving along a geodesic radiate?
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Graduate How Does the EFE Describe Geodesic Motion in Curved Spacetime?
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Graduate Principle of Equivalence Re-examined
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Graduate What is the angular-momentum 4-vector?
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Graduate Where does relativity allow for non-determinism and free will?
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Graduate Confusion with proper time from different frame of references
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Graduate Mass and Speed: The Relationship in Relativity
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Graduate Is Proper Time Relative in Special Relativity?
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Graduate Am I interpreting Einstein correctly?
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Graduate How is the Lorentz transformation derived and what does vx/c² signify?
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Graduate Einstein's letter to Lincoln Barnett
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High School Signature scheme by pythagoras theorem
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Graduate Are the definitions of vectors in Liner Algebra and physics contradictory?
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Graduate Can an Alternating Metric Define a New Spacetime Topology?
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Graduate Is Velocity Warping Space? A Look into Einstein's Special Relativity Theory
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Graduate How can photon have frequency if its time is zero?
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Graduate Nature of the time dimension in 4D space-time
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Graduate HelloMay I ask a few questions, I am trying to understand how the
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Graduate Time dilation flashlight problem
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Graduate Calc Speed: Warping Space with Mass & Infinity
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Graduate Equation for acceleration in MTW
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Graduate Gravity Probe B press conf. 4 May (any surprises? comment?)
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Graduate Riemannian Geometry is free of Torsion. Why use it for General Relativity?
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Undergrad Can Spaceships Travel Faster Than the Speed of Light?
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Graduate How Does the Standard Model Prevent Faster-Than-Light Travel?
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Graduate Would the effect of photon/quantum wrapping space time be negligible?
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Graduate How Fast Does My Friend Appear When We Travel in Opposite Directions at 0.7c?
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Graduate Can someone state clearly a sufficient condition for a 4-tuple of
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High School Question About Time: An Exploration
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Graduate What are the axioms of General Relativity?
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Undergrad That famous equation - a better understanding
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