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.
Undergrad Mass causes space time curvature
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Graduate Space-time can mean without mater or energy ?
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Graduate Different speed of light at different milky way radius?
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Graduate Solve relativistic velocity in terms of momentum (vector equation)
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Graduate FRW Model Q: Why Does Positive (ρ+3p) Prove Big Bang?
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Graduate Motivation behind vacuum Einstein equation
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Graduate Does Accelerated Electron Emit Gravitational Radiation?
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Graduate The light clock and the simple clock
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Graduate Closed Dimensions: Metric Tensor, Curvature & Time
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Graduate Mass of a Boxful of Extremely Intense Radiation
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Graduate Rotation and Revolution in relativity
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Graduate Does rotation of a 3d volume about a 2d plane create gravity?
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Graduate Evaluating time for falling body to reach event horizon
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Graduate What Are the Paradoxes of the Light Clock Problem in Special Relativity?
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Graduate Metric Tensor Division: Is It Proper?
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Graduate Exact Solutions to General Relativity & Einstein's Field Eqns.
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Graduate Does an Electron's Increased B Field Exist Outside a Black Hole's Event Horizon?
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Graduate Test of GR's increase of inertia near bodies?
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Graduate Does the universe act like an instanced computer model
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Graduate Time dilation effects of relative velocity vs gravitational force?
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Graduate Speed of time immediately after big bang relative to now?
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Graduate Two seemingly unrelated arguments against superposition in GR
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Graduate Frames vs Coordinates: Mapping Points in R4 to Events in Manifold
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Graduate Size of Black Holes: A Closer Look
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Graduate Oppenheimer-Snyder model of star collapse
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Undergrad Understanding Light Clock & Time Dilation
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Graduate How Do Rindler Coordinates Affect Time Dilation and Acceleration?
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Graduate Temperature , tensors, and the unruh effect
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Graduate Is the speed of light always 299 792 458 m / s
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Graduate Pertinent question regarding time traveling
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Graduate Some questions about general relativity
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Graduate What is an alternate way of representing special relativity?
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Graduate Implications of Time-reversal asymmetric quantum physics
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Graduate Why is a Blue Shift in Kruskal Szekeres not Physical
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Graduate Black hole event horizon radius = Schwarzschild radius?
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Graduate How observation of a distant galaxy changes when travelling towards it
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High School Equations for relative velocity
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Graduate What Does Einstein's Unification of Space and Time Mean?
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Graduate Expansion and acceleration of the Universe
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Graduate Black holes and General Relativity
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Graduate How Do Horizons Influence the Entropy and Temperature of Spacetime?
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Graduate How does one measure the absolute velocity of an object?
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Graduate The Mystery of Super Luminous Entities and Relativistic Insects Explained
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Undergrad Is the speed of light affected by relative motion?
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Graduate Shape of Kerr event horizon in terms of reduced circumference
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Graduate Showing that Lorentz transformations are the only ones possible
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Graduate Why are geodesics parabolae on earth's surface?
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Graduate Einstein's GR & Rotating Earth Dilemma
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Graduate Black Hole Angular Velocity: Is Expansion Feasible?
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Graduate Geodesics in a constant gravitational field
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Graduate Time & Universe: Relative Meaning & Age
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Graduate Why does the buoyant force decrease in Supplee's submarine paradox?
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Graduate What is the measure of space-time curvature and how is it calculated?
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Graduate How to understand why massless particles must travel at c?
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High School Mass and velocity, thank you for your help
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Graduate If light appears frozen due to time dilation, how do its fields fluctuate?
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Graduate About accretion disk of a binary system
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Graduate A function for a line in a square (or a triangle or a etc)
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Graduate What events occur inside a black hole?
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Graduate Question about transverese-traceless gauge in gravity
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Graduate Velocity Addition in Special Relativity
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Graduate Can Black Holes Truly 'Grow' in the Lifetime of the Universe?
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Graduate Inventing Lagrangians (D'Inverno)
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Graduate What Would Audible Gravity Waves Sound Like?
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Graduate (wald) method for calculating curvature
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Graduate Can you move fast enough towards light so that it has a period of 0?
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Undergrad Perpetual Acceleration: Questions for Beginners
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Graduate Gravitation Lagrangian in classical form
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Graduate How to calculate increase of mass in relation to increase in velocity?
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Graduate Conservation of Particle Number
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Graduate Trajectory function of projectile motion
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Graduate Co-variant Derivative of a Complex Vector
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Graduate Symmetrizing 3xMetric Tensor: H^{\mu \nu \lambda \kappa \rho \sigma}
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Graduate Why Do Objects Fall if Gravity Isn't a Force in General Relativity?
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Graduate What is the mechanism behind the weight of a box of photons?
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Graduate Does light aimed outward contribute to the pull of space-time in black holes?
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Graduate Life below the Schwarzschild radius
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Graduate Christoffel Symbols of Vectors and One-Forms in say Polar Coordinates
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Undergrad The Full Equation for Mass-energy Equivalence
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Graduate Can tensors be defined without using coordinates in a physics-friendly way?
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Graduate Feynman: Relativity of Magnetic and Electric Fields
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Graduate In a nutshell: getting some perspective on invariance
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Graduate Is there a connection between energy derivation and Newton's Law of Motion?
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Graduate How is the Relativistic Larmor Formula Derived Using Dot Products?
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Graduate Linear equations and homogeneity of space and time
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Graduate Simplest derivation of Lorentz Transformation
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Graduate General Relativity: Spatial Inversion Symmetry
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Graduate Preservation of the infinitesimal element of length
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Graduate How does GR impact acceleration and reaching the speed of light?
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Graduate Why positive curvature implies finite universe?
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Graduate Ricci scalar and curveture of FRW metric
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Graduate Bohr model & relativity on large atoms?
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Graduate True Speed of Light: Is It Limited By Time/Space?
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High School Significance of Gravitational force
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Graduate Galilean principle of relativity and Gödel's incompleteness theorems
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Graduate Alcubierre warp drive as time machine.
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Graduate Electron falls into black hole. what happens.
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Graduate Does torsion make parallel transport direction dependent?
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Graduate Magnetic field seen by electron in thomas precession
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Graduate State of the art re the geodesic hypothesis
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