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 Is Homogeneous Line Universe Possible in Higher Dimensions?
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Graduate Simultaneity in circular motion
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Graduate Electromagnetism and relativity
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Graduate Constant Jacobian transformation of an inertial frame
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Graduate Integrating Geodesic Equations: Kevin Brown
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High School Did I experience time dilation or something?
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Graduate Explain how light moves in relative motion due to special relativity?
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Graduate GR Noether Current: Confirm Pseudo Tensor?
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Graduate Defining a rest frame in the real world
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Undergrad Einstein's thought experiment about the speed of light
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Undergrad Special relativity and magnetism
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Graduate GR coordinate acceleration problem
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Graduate Lorentz Transformation of Velocity 4 Vector Help
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Graduate Lorentz Transformations: Deriving from Einstein's Postulates
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Graduate Relation between relative simultaneity and velocity
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Undergrad Is the Location of Light relative due to its speed being constant
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Graduate Accelerating Particles > c: Special Relativity Considerations
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Graduate Traveling at Light Speed: Question on Intergalactic Travel
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Graduate Adjusting length and period using (inverse) transformations
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Graduate Transforming Maxwell's Equations in Special Relativity.
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Graduate Proving the Uniqueness of Center of Momentum Frame
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High School General and special theory of relativity in few words
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Graduate Objects falling into a black hole
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Graduate On the index notation used in Lorentz transformations
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Graduate Fundamental Valid Frame of Rest
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Graduate How to view black holes / horizon from a manifold perspective
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Graduate How accurate is the metaphor of trampoline
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Graduate Centrifugal and Coriolis forces covariant formulation
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Graduate Two Frames of 0-Momentum in the Minkowski Plane?
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Graduate Understanding Rest Mass of an Electron in a Crystal
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Undergrad Help with Galilean transforms?
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Graduate Massless Particles and the Universal Speed Limit
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Graduate What is the Riemann Metric Tensor and its components?
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Graduate Space-time curvature without mass-energy ?
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Graduate Killing vecotrs of Schwarzschild metric
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Graduate Does Spaghettification contradict space/time swap in a black hole
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Graduate Derivatives in a non-trivial metric
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Graduate Radial Null Geodesic: Solving the Equation
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Graduate The present epoch in FRW metric
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Undergrad Twins Paradox: Why One Twin is Older When Reunited
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Graduate The threshold of general relativity gravity
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Undergrad Moving fairground light, thought experiment
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Graduate How does General Relativity contradict quantum mechanics?
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Graduate Need Clarification for time dilation effects
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Graduate A question about v appearing in the transformation equations in SR
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Graduate Understanding the Schwarzschild Coordinate r in Spherical Symmetric Spacetime
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Graduate Time Dependent Exact Solutions of Einstein's Equations
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Graduate How to determine real inertia without 4 vectors?
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Graduate Magnetic Fields & Space-Time: Can They Bend?
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Graduate Radar distance on DrGreg's Rindler chart?
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Graduate Help understanding minkowski tensor and indices
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Graduate Lorentz, waves, Einstein and bodies: transformations +/- gamma
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Graduate Time dilation, length contraction and relative simultaneity on Earth
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Graduate Calculating Distances in Special Relativity - Bob's Question
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Graduate Velocity in Proper Time: Relativistic Acceleration Equation
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Graduate Relativity & Fast-Moving Objects: Does Time Slow Down?
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Graduate What is the significance of the velocity term in the Alcubierre metric?
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Graduate Objects Falling in General Relativity
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Undergrad Time dilation, is this correct?
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Graduate How do inertial frames centered on a black hole's horizon work?
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Graduate Einstein Eq. & Stiffness of Spacetime
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Graduate Can Gravity Exist in an Inertial Frame?
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Graduate Could there be an absolute 'state of reference?'
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Graduate Does the expanding Universe have a knowable center?
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Graduate Metricity Equation: ∇_{μ}g_{αβ}=0, ∇_{μ}g^αβ ≠ 0?
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Graduate Would we feel the effects of a strong gravitational wave?
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Graduate Why Use Tensors in GR: Benefits & Potential Pitfalls
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Graduate Why would I think I'm not moving?
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Graduate Density terms in the stress-energy momentum tensor
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Graduate Intuitive understanding of Thomas precession
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Graduate Understanding the Ricci Curvature Tensor in Einstein's Field Equations
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Graduate Gravitational Binding Energy in GR
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Graduate Too Simple & Short Solution of Twin Paradox
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Graduate Definition of One-Forms & Their Action | Clarifying a Concept
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Graduate How Does Mass Affect the Fabric of Space-Time?
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Graduate Differences between different simultaneity conventions
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Graduate Can Time Dilation Prevent Crushing at c?
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Graduate Relativistic Compressor Paradox
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Graduate General parameterisation of the geodesic equation
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Graduate Absolute time, local time, planck time
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Graduate If stress vanishes in one frame, it vanishes in all frames, but
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Graduate How Does Velocity Addition Impact Time Dilation in Rotating Objects?
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Graduate Understanding Inflation: Effects of Spontaneous Symmetry Breaking on Gravity
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Graduate Global Coord Atlas Universe: GR Coord Charts, Speed Light
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Graduate Is Schwarzschild spacetime parallelizable?
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Graduate Where Does Entropy Go in Inertial Frame During Relativistic Refrigeration?
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Graduate What Are Rosen Coordinates in Gravitational Wave Analysis?
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Graduate Change of frames in relativity
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Graduate Gravitational Energy: Infinite Potential & Its Impact on Nature
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Graduate How Does the Loaf of Bread Model Explain Space-Time Perception?
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Graduate Can baseballs truly synchronize clocks ?
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Graduate Dirac equation, curved space time
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Graduate Franklin, Lorentz contraction, Bell's spaceships, and
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Graduate Simultaneity & Digital Clockfaces: Understanding Relativistic Time Syncing
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Graduate Levi-Civita connection and pseudoRiemannian metric
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Graduate The Energy-momentum formula considering internal energy
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Graduate Christofell Symbols: Derivation in Schutz & Wald
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Undergrad How does GPS receiver calculate time delay?
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Graduate Light travelling towards a black hole
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Graduate Does Accelerating Mass Radiate Gravitational Waves and Lose Energy?
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