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 Metric in polar coordinate derivation
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Undergrad Invariance of Acceleration in Inertial Reference Frames
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Graduate Abrahams-Minkowskii Controversy: Is Phonon Momentum Defined?
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Graduate Could Time Be Warped Alongside Space in Sci-Fi Travel Scenarios?
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Graduate Relativistic Particle Decay: Momentum Conservation
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Graduate Advantage/disadvantage of notation
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Graduate Suggested Reading on Newtonian vs Relativity?
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Graduate Humans Move Before Becoming Black Hole
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Graduate Contracting Riemann tensor with itself
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Graduate Color of light in the Light Clock
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Graduate Faster than light - under what circumstances?
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Graduate What can be said about S-T global properties from the EFE?
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Graduate Trans-Planckian Problem for Black Holes: Do Infalling Particles Become BHs?
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Graduate Conservation of angular momentum and RoS
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Graduate Affine Connection Γ in Terms of Tetrad: Help Needed
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High School How does GR explain increase/decrease in speed?
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Graduate Why isn't length contraction permanent even though time dilation is?
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Graduate What Led Einstein to Connect Light and the Speed of C to E?
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Graduate Revisiting Einstein's Train Experiment: Unraveling the Mysteries of Relativity
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Graduate Accelerated expansion and perceived gravity
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Graduate Karl Schwarzschild's 100th Anniversary: No BH Event Horizon
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Graduate Invariance: What Does it Mean?
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Graduate Relation between affine connection and covariant derivative
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Graduate Singularity of spacetime/singularity of the riemanian tensor
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Undergrad Twin's Paradox: Who is Older A or B?
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Graduate Why can't light return from a black hole?
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Graduate Universe Hubble radius equal to Schwarzschild radius
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Graduate Christoffel symbols derivation
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Graduate Gravitational Waves: What Happens to a Body Experiencing One?
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Graduate Einstein-Cartan Theory: Dynamical Definition of Spin Tensor
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Graduate Question about Metric Tensor: Learn Differential Geometry
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Graduate How does GR explain twist at the poles
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Graduate Do non-black hole singularities have observable properties?
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High School Light's Rest Mass: Debunking False Conclusions
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High School On light clocks and reference frames
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Graduate Black Holes: Volume & Forces Explored
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Graduate Understanding Asymptotes in Rindler Space - Physics Forums
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Undergrad What is the Effect of Gravity on Einstein's Train in Special Relativity?
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Graduate What Happens to Wave Measurements When You Sail at the Speed of Light?
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Undergrad Visual Effects of Special Relativity
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Graduate Conservation of 3-Momentum & Energy in RoS
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High School Is the Finite Speed of Light the Key to Understanding Relativity?
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Graduate Why is Schwarzschild singularity not real
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Graduate Time dilation at the event horizon of a black hole
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High School How does time dilation appear to a third observer?
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Undergrad Is Einstein's warped time the same as gravitational time dilation?
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Undergrad Gravitational Field: What Would Happen?
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Graduate Why Do We Feel Acceleration If Gravity Is Just Curvature of Space-Time?
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Graduate Confusion in General Relativity
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Graduate Transitioning from Finite to Infinite Mass in a Black Hole
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Graduate What Happens When Someone Walks on a Spaceship Traveling at the Speed of Light?
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Undergrad Black Holes: Internal Space & Matter Movement
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Graduate Gravitational Lenses: Does Gravity Distort Spacetime?
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Undergrad Simultaneity agreeing in different frames
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Graduate General Theory of Relativity: What & Why
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Undergrad Understanding Light Clock Confusion on Moving Trains - A Discussion
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Graduate The Infalling Traveler's Perspective on Time and Mass in a Black Hole
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Graduate Particle in Minkowski Space: Motion in a Flat Universe
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Graduate Time Dilation and different clock types
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Graduate Rotation in special relativity
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Graduate Explaining the Behavior of a Ball on a Tilted Platform
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Graduate Time, spacelike foliations and timelike vector fields in GR
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Graduate Is "now" relative or absolute?
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Graduate Gravitational Fields: Same or Different?
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Undergrad Unifying Gravity: The Quest to Understand a Fictitious Force
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Graduate Space-Time Curvature in General Relativity
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Graduate Deriving 8πG/c^4 in General Relativity
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Graduate Momentarily co-moving inertial frames
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Graduate Does Length Contraction affect measured velocity?
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High School Inertial Frames of Reference - Understanding Special Relativity for 11-Year-Olds
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Graduate What curves space and bends light: Mass or Gravity?
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High School How Does Michelson-Morley Interferometer Measure Space-Time?
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Undergrad Speed of Light: Length Contraction & 20AU Paths
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Graduate Creating Mass w/ Velocity: Effects on EM Wave?
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Graduate Question about time travel to the past
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Graduate Derivation of Kirchhoff's Formula in Gravitational Radiation
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Graduate Synge's "World Function": History & Significance
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Undergrad How do we orbit the sun when you can set your origin anywhere....
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Graduate Are spatial and temporal dimensions interchangeable?
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High School Could Everything on Earth Float Without Spacetime?
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Graduate How does gravity affect the path of light?
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Undergrad Gravitational Time Dilation: A Layman's Explanation
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Undergrad What does Purcell actually say about electromagnetism and relativity?
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Graduate SR as Geometrical Constructions
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High School Black Holes: Effects on Space Explored
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Graduate What is the difference between standard and isotropic metrics?
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Graduate Cosmological constant times the metric tensor
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Graduate Is the equivalence principle related to the principle of relativity?
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Graduate Explore Entropy & Event Horizons: Self-Taught Physics
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Undergrad SR Proves Eternalism: Is It Physically Substantial?
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Graduate Can You Truly Achieve No Motion in Space?
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Graduate Derivation from Landau and Liffshitz, vol 6
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Graduate Are Gravitational Waves Lossy?
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Graduate Alternative definitions of geodesic
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Graduate Covariant fields and new physics
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High School Is time dilation just a problem with our clocks?
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Graduate What is a gravity wave detector measuring?
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Graduate Is the center of mass fixed in Relativity?
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Undergrad What is the Principle of Equivalence and how was it determined?
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High School What Are the Key Characteristics and Locations of Stellar Black Holes?
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