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 Gravity force: Isn't it just the shape of space?
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Graduate Series expansion tetrad Fermi coordinates
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Graduate Is the Stress-Energy Tensor for a Scalar Field Phi Isotropic in FRW Metrics?
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Graduate Time Dilation with Two Spacecraft
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Graduate A rotating Hot Dog about an inertial observer
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Graduate Why does spacetime warp around mass if it doesn't have mass?
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Graduate Does mass dissipate in a black hole?
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Graduate Causailty and the speed of light
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Graduate Difference between "g" and "g^ij"
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High School What is boost supposed to mean?
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Graduate Space Time Field: Effects of Mass & Orbit Equilibrium
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Graduate Is Time Dilation Relative in Special Relativity Experiments?
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Graduate Black Holes and escape velocity
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Graduate Does Einstein's General Theory of Relativity imply graviton?
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Graduate Atomic Vibrations & Time Dilation: The Reality Behind Our Perception
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Graduate How does relativity define time (as a constant or not?)
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Graduate Intuitive description of what the Ricci tensor & scalar represent?
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Graduate A few questions about Einstein's field equations
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Undergrad Forces with Constant Velocities: Formulas & More
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Graduate Are There Exact Black Hole Solutions in Non-Asymptotically Flat Spacetimes?
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Graduate Derivation of Velocity from Acceleration in Special Relativity
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Graduate What happens if there is no singularity inside a black hole?
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Graduate 1st stress-energy tensor component for an electric field
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Graduate Constructing the electromagnetic tensor from a four-potential
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Undergrad Relativity of velocity entails equal velocity
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Graduate Understanding One Forms in General Relativity: A Beginner's Guide
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Undergrad Deriving the displacement of an object
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Graduate Mastering GTR to Tackling Problems on Curved Space
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Graduate Does the Speed of Light Remain Constant in All Scenarios?
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Graduate Gravitational Time Dilation and Age of Astronaut
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High School Understanding Spacetime Curvature: Explained
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Game to help see visual effects of SR
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Graduate Time dialation effect on observed speed of light
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Graduate Inside event horizon, space and time are reversed. How, precisely ?
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Graduate Is the B-theory of Time Presupposed by Relativity?
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Graduate Time dilation measurement and events
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Graduate Poking someone falling into a black hole with a stick
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Graduate Can non-compact 4-dimensional spacetimes have a global tetrad?
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Graduate Exotic stress-energy tensor and causality
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Graduate Gravity and time and space translation asymmetry
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Graduate Variation of the Einstein-Hilbert action in noncoordinate basis
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Undergrad Is gravity's speed really the speed of light?
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Graduate Need help with a special relativity problem
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Graduate Time and General Relativity help?
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Graduate Why does light have a finite speed?
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Graduate What is one way speed of light is about? Why is it said undefined?
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Graduate How Does Fermi-Walker Transport Behave in Rotating Space-Times?
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Graduate Is the Metric in Spherical Coordinates Truly Flat?
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Graduate Problem analyzing rod-slot 2-D Lorentz contraction paradox
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Graduate Inaccuracy in the speed of light
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Graduate Current 3-form, current density, current vector, etc.
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Graduate Train Stopping Time: Different Observers, Different Times?
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Graduate Can any pair of spacelike events be simultaneous?
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Undergrad Question about gravity's effect on moving bodies
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Graduate Why is theory of Gravity and QM incompatible?
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Graduate Does the relativity of simultaneity exist 'at a distance'?
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Undergrad How did Einstein come to the Conclusion of Spacetime?
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Graduate An Apparent Contradiction in General Relativity?
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Graduate From local symmetry to General Relativity
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Graduate Map Taking Proper Time to Euclidean Length
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Graduate Minkowski Metric: Exploring Components and Deriving in 4D Coordinates
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Graduate Are Solutions to GR Field Equations Chaotic?
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Undergrad Question about gravitational attraction
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Graduate Bianchi IX Models: Cosmology Calculations & Quantum Field Theory
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Graduate How Do Equations Demonstrate Time Dilation Near Black Holes?
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Graduate Affine connection transformation
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Graduate C as the speed of light and the speed of sound in Michelson-Morley.
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Graduate Speed of a mass near black hole
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Graduate Superluminal (Tachyon) Transformations
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Graduate What Are the Theories Behind the Cause of Inertia?
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Graduate Does relativity affect velocity dependent events?
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Graduate Speed of light in non inertial conventions
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Graduate Manipulating Tensor Expressions to Derive the Poincare Algebra
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Graduate Simple (?) special relativity question
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Graduate What is the difference between Lorentz transformations and proper time
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Graduate Special relativity effects in general relativity
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Graduate Question about Riemann and Ricci Curvature Tensors
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Graduate MTW definition of differential froms made rigorous
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Graduate Index gymnastics of electromagnetism quantities
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Graduate Derivation of relativistic momentum
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Graduate Solving the Twin Paradox with General Relativity
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Graduate 3-d versus 4-d spacetime curvature
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Graduate Newtonian gravity and Special Relativity
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Graduate Cristoffel Symbol of spherical coordinates
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Graduate Relative velocities of particles and photons
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Graduate What is the relationship between the expanding universe and the speed of light?
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Graduate Measurement of relativistic effects from a non-inertial frame
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Graduate Metric Tensor in Spherical Coordinates
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Graduate Could time and space behave differently inside a supermassive hollow sphere?
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Graduate What Are the Implications of the Bell Paradox on Accelerating Ships?
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Graduate Types" of Space-Time Curvature in GR
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Graduate Do Massless Objects Travel at the Speed of Light Relative to Each Other?
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Graduate Spin precession Killing fields
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Graduate Can black holes merge to create larger event horizons?
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Graduate Time dilation and curved space
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Graduate Mass and thermodynamics in relativity
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Graduate The Mystery of Thomas Precession in Weinberg's Book
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Graduate Universal Law Idea: Impermanence & Relativity
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Graduate How is the S^3 metric defined by a unit vector and coordinate changes?
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Undergrad Mass/Energy in special relativity
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