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 Density Formula for Moving Particles
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Graduate What are the unanswered questions about Hawking radiation and the Unruh effect?
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Graduate Shape of Spacetime: Curvature Tensor or Metric?
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Graduate Relativity paradox in exponentially accelerating train
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Undergrad Is Time Multi-Dimensional Like Space?
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Graduate Earth pulls with the same amount of gravity on every one
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Graduate Why Does an Electron Not Gain Mass Moving Near the Speed of Light?
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Graduate Gravity Concept: Is it Wave or Geometry Blending?
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300 Years of Gravitation, Updates?
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Undergrad How is the Speed of Light Formula Derived and Why is it Squared?
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Graduate Minkowski 4-space? Yes or No.
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Graduate Very close binary, strongest steady source of gravitational waves
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Undergrad Why Did Einstein Use the Speed of Light in E=mc²?
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Graduate Derivation of Lorentz transformations
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Undergrad How do we determine one clock is better?
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Graduate Time it will take when traveling at speed of light
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Undergrad Getting close to Speed of light
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Graduate What happens biologically during time dilation?
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Graduate The Anisotropic World" - Educational Film by Sklyarov & Pavlov
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Graduate Einstein's Train: Questions on Length, Velocity, & Time Difference
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Graduate Question about Einsteins theory of relativity
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Graduate Can the big bang occur without time?
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Graduate Is EM theory in curved spacetime the same as unification ?
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Undergrad Why the pythagoras theorem is used in the second equation?
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Graduate Action for the relativistic point particle
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Graduate Yet another doppler question (regarding conservation, time, and irradiance)
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Graduate BRS: Subgroup lattice of a Permutation Group via GAP
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Graduate Is Simultaneity Absolute in the Context of Relativity?
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Graduate Gravity and Instantaneous Information sharing
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Graduate Sagnac Effect and Special Relativity
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Graduate I Still Don't Get General Relativity
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Graduate Can Relative Velocities Exceed the Speed of Light?
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Graduate Do Objects Become Heavier When Spinning at High Speeds?
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Graduate Light ray paths near schwarzschild blackhole
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Undergrad Red or Blue Shift: Moving Light Sources Forward/Backward
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Graduate Symmetry Group in GR: Modeling Our World
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Graduate CD: How can I compute conformal killing vector fields on a 2D manifold?
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Graduate What are the effects of Spacetime Drag ?
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Graduate Does Relativity Affect How We See Simultaneous Events on a Moving Train?
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Graduate Gravitons and General Relativity: A Recap of the Debate
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Graduate Object from the sun at half light speed
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Graduate What would happen to an object falling towards a black hole?
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Graduate Speed of an electromagnetic wave and gravity
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Graduate Newton, Einstein, multiply connected spacetime, Energy and so forth
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Graduate Gravity on the Minkowski spacetime
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Graduate Relativity, Gravity, Attraction , Curved Space
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Graduate Looking for a stress analogue in E&M
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Undergrad Mass Energy Equivalence and Kinetic Energy
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What are some examples that challenge the theory of relativity?
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Undergrad Is it Possible to Attain the Speed of Light by Combining Two Half-Speed Bodies?
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High School Can We Confirm Concepts in Physics with CS Background?
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Graduate What is the different between general relativity and quantum gravity
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Graduate General relativity and Higher dimensions
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Graduate Ontological concepts(?)/ Special relativity.
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Graduate What is the physical/geometric meaning of spacelike, timelike and null
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Graduate Equivalence of mass and energy
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Graduate BRS: Simplicial Homology with Macaulay2
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Graduate The Debate Around Arthur Beiser's Modern Physics Theory
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Undergrad Move one, How long does it take for another one to move?
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Graduate Velocitiy turns things into black holes?
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Graduate Explanation of General and Special Relativity
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Undergrad Deriving t=T/√(1-v²/c²) in Special Relativity | Patent-Invent
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Graduate OUT ELASTIC COLLISIONS: Calculating Momentum & Energy
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Graduate Black Hole particles - acting as bosons?
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Graduate Real physical effects of Relative Motion
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Graduate Find Gravitational Force of Photons: Equations & Potential Energy
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Graduate Why is there a preferred frame in string theory with curled dimensions?
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Graduate How is E=mc² Derived from Einstein's Equations?
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Graduate What is the mathematical genealogy of Felix Klein?
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Undergrad Light Speed & Acceleration: Is it Instantaneous?
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Graduate How Can We Visualize Ricci Curvature in Different Dimensions?
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Graduate Relative velocity=relative momentum?
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Undergrad What is Special Relativity and how does it work?
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Graduate Can a star be a black hole in one frame of reference but not in another?
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Undergrad How Can Time Be Relative While the Speed of Light Remains Absolute?
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Graduate Estimating Photon # in 2 Frames: Lorentz Transformation
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Graduate Help with the basics of Maxwell and Lorentz equations
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High School The relation with time and light
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Undergrad Can any celestal body or anything rotate at speed of 90 degree
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Graduate What's up with spinning superconductors?
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Graduate Question on special relativity
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Graduate Is the equivalence principle good for anything?
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Graduate Experimental tests of General relativity vs Cartan extension
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Graduate Does Time Exist at the Speed of Light?
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Graduate Relativity of Simultaneity - Question about the Classic Train Example
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Graduate Can you increase the speed of light?
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Graduate Torque relative to an inertial frame
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Graduate Understanding the Difference Between Original and Instantaneous Rest Frame
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Graduate Special Relativity / Cosmology
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Graduate Some questions regarding gravity
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Graduate Transformation of k_y in the wave 4-vector
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Graduate Strange geodesic in Schwartzschild metric
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Graduate What Are the Properties of Light and Matter Waves?
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Graduate Relativistic Doppler effect and relativity principle
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Graduate Simultaneity (Special Relativity)
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Graduate Understanding Special Relativity vs Quantum Mechanics
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Undergrad Spinning Universe: Is Centripetal Acceleration the Cause of Expansion?
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Graduate Unsophisticated, theoritical implications of time dilation between 2 worlds
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Undergrad Weight, Acceleration, Gravitational Equivalence
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Graduate Light speed, time dilation question
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