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 Measured lightspeed in general relativity and moving through space.
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Graduate Questions concerning Cosmological Constant
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Graduate Understanding Lorentz Transformation of Spin 4-Vector
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Graduate Simplify Confusing Expression in GR: Expert Guidance Available
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Undergrad Light speed; time dialation theory and its age
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Graduate Diff Geom in Complex Spaces: Hermitian, Anti-Symmetric & Affine Connections
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Graduate Effect of CMB (cosmic microwave background) on objects at relativistic speeds
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Graduate Four force giving me headaches
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Graduate Geodesic Equations: Newtonian vs Einstein
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High School Where can I find easy-to-understand books about relativity?
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Graduate How is the universe exactly 13.7 billion years old, in absence of absolute time?
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Graduate Taub-Nut or NUT metric, that is the question
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Graduate Understanding Relativity and Time Dilation in Space Travel
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Graduate Solve Schwarzschild Metric: Transformation & Acceleration
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Graduate What is the force behind matter's ability to curve space-time?
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Graduate Superluminal Neutrino Breaks SR and GR ?
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Graduate A Question on Relativistic Mass (SR)
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Graduate Does the bending of light by gravity imply that photons have mass?
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Graduate Gauss-Bonnet term extrinsic curvature
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Graduate Relativistic Coulomb potential - how to understand the equation
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Graduate Solving Einstein Notation: Summing Subscripts and Superscripts
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Graduate I don't understand the nature of gravity
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Graduate Isotropic Observer: Are They Always At Rest?
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Graduate Quick question of Einstein Field Equations
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Graduate Linearity of Maxwell's equations as a result of special relativity.
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Graduate General relativity for a master degree?
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Graduate Converting mass entirely into energy
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Graduate Measuring Observables in 3+1 Formalism
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Graduate Kinetic energy conservation in matter/energy transform
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Graduate General Relativity vs. quantum gravity
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Graduate Understanding the Lorentz Factor
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Graduate Vectors/Tensors-spherical coordinates. z component of force of fluid on a sphere
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Graduate Four Velocity in GR: Covariant Derivative Needed?
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Graduate Can the magnetic field from a single charge be converted into an electric field?
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Graduate Why Does Heart Slow as Near Light Speed?
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Graduate Relativistic time dilation and thermodynamics
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Graduate Thought experiment on Simultaneity
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Graduate How to get components of Riemann by measuring geodesic deviation?
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Graduate How is the electromagnetic tensor derived?
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Graduate Metric of a static, spherically symmetric spacetime
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Graduate Time as non-fundamental physical quantity
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Graduate Movement in curved spacetime via deforming one's body
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Graduate Are Black Holes Minimal Surfaces in a Flat Universe?
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Graduate Why are gravity forces on going in the context of GR
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Graduate Einstein's Length Contraction A problem?
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Graduate Lorentz Boosted 2-Sphere: Solving the Problem
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Graduate Real vs Simulated: Examining Time Dilation in Relativity
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Graduate Does Traveling Faster Than Light Violate Causality? | V>c
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Graduate Weird version of covariant derivative on wikipedia
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Graduate Is my understanding of the equivalence principle correct?
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Graduate Mass Observed to Increase as Velocity Increases?
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Graduate Riemann tensor cyclic identity (first Bianchi) and noncoordinate basis
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Graduate Get A Reference for f(R) Gravity
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Graduate Metric tensor in spherical coordinates
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Graduate Quantifying relativity of simultaneity
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Graduate Minkowski metric - to sperical coordinates transformation
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Undergrad E=mc2: Understanding the Squaring of Light Speed
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Graduate Time and gravity on the quantum level?
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Graduate Light Speed broadcast of message back to earth
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Graduate Does the Block Universe Theory Affect Our Understanding of Time and Reality?
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Graduate What is the Lorentz invariance of power?
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Graduate Boost Angular Momentum Vector: Interpreting the Result
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Graduate Derivation of Velocity-Addition Formula
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Graduate Are principal curvatures equal?
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Graduate Tensor differentiation. Help with a step.
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Graduate Hyperbolic relations in deriving Lorentz transformations
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Graduate Fuel per unit distance decreasing?
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Graduate Electromagnetic Field Tensor in Curvilinear Coordinates
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Graduate Four dimensional version of Gauss' law
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Graduate Can a particle have a space-like four-velocity? If not why not?
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Undergrad Is Space and Time Really Continuous or Discrete?
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Graduate Transfer of momentum in relativistic collisions
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Graduate Transforming Four Velocities with the Lambda Matrix
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Graduate The meaning of Weyl curvature caused by gravitational waves
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Graduate Does mass increase proportionally to speed?
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Graduate Stress-Energy Tensor for Gravitational Field
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Graduate Schutz vs. Hartle: Which Book Offers Better Explanations and Diagrams?
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Graduate Why does observers agree on the spacetime interval?
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Graduate Can a photon be a particle without mass?
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Graduate Computer plot of particle orbits around Kerr black holes
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Graduate Force Equilibrium in GR: Conceptualizing Intuition
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Graduate Halflife of Particles at Different Speeds?
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Graduate How Do Gravitational Fields Affect Photon Energy Levels?
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Graduate Calculation of double dual of Riemann tensor
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Graduate Ultrarelativistic approximation
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Graduate Understanding Wave Direction in Michelson-Morley Interferometer
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Graduate Learn About Tetrads: Definition, Meaning & Problems Solved
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Undergrad Basic time dilation question do I really understand it?
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Graduate Why do we fall, according to GR?
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Graduate The Lorentz transformation matrix properties
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Graduate Understanding Einstein's Special Relativity: A Brief Introduction
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Graduate Maxwell Tensor Symmetries Problem - Federico
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Undergrad Who is Moving in Space? | Curious Student
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Graduate GR Length Contraction & Shapiro Delay: Investigating Light Speed
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Graduate Hypothetical scenario spacecracft moving faster than c
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Graduate Light from Spacecraft Moving Faster than c: Appearance
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Graduate Time Dilation Formula: Travel at Speed c = Infinite Time?
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Graduate Typical rotation speed of a black hole?
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Graduate A thought experiment on gravitation
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Graduate Can a jetpack help you escape from a black hole?
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