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 Alcubierre Warp Drive: Debate and Discussions
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High School Rethinking Gravity: The Reality of General Relativity and Spacetime Curvature
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Undergrad Lorentz group, boost and indices
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High School Measuring relativistic effects in a single frame
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Undergrad Is the mass defect still considered with invariant mass?
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High School "Newton's space is the gravitational field"?
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Undergrad "relativistic mass" still a no-no?
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Graduate Einstein's Clock: See What at Speed of Light?
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Undergrad Where the scale factor a(t) appears in the metric
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Undergrad Different methods of deriving the energy-momentum equation
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Undergrad Vectors and isometries on a manifold
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Undergrad Photon Energy Increase Under Gravity: Explained
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High School What is the relationship between time, speed, and mass of a photon?
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Graduate Geodesics of AdS3: Find a Reference
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Undergrad Special relativity and sameness
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Undergrad Solve Null Geodesic: Affine Parameter & Coordinate Time - Q1,Q2,Q3
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High School Gravity and the curvature of space
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High School Why Didn't Einstein Apply the Gamma Factor in the EPR Paradox?
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Undergrad The space-time interval definition in special relativity
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Graduate What is the Relativistic Origin of the Charge-to-Mass Ratio in Electrons?
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High School GR lacks absolute space, but what is absolute space?
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High School Does the charge have a relativistic origin?
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Undergrad Is the Interior of a Black Hole a Space-Like Region Beyond the Horizon?
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Graduate Information Paradox for Unruh Radiation?
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Undergrad Any progress on realistic rotating black holes?
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High School GR interpretation of a scenario
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Undergrad Special Relativity's effect on density
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High School What Are Ordinary and Proper Velocities in Special Relativity?
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Undergrad Bauer's Paradox in General Theory of Relativity?
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High School Can Different Wavelengths Affect the Gravity Between Light Beams?
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High School Synchronized Clocks: Will They Remain in Sync Forever?
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Undergrad Ivanenko, Logunov and even Zelmanov
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High School Centripetal Acceleration of Photons?
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Undergrad Theory of Relativity: Light, Mass & Gravitational Lensing
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Undergrad What Causes High Energy Radiation Emissions from Black Holes?
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Undergrad D'Alembert equation and Galilean transformation
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Undergrad Schwarzschild Radius: Calculating V(esc.) & R
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High School A supplementary length contraction question
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Undergrad GR change in proximal tendancy
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High School Time dilation and length contraction question
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Undergrad Raising/Lowering Indices w/ Metric & Tensors: Does Order Matter?
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High School Relative Mass & Inertia: Could Near-c Collision Destroy a Star?
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Undergrad Virtual Particles: Speed & Impact on Rocket
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Undergrad Understanding Relativistic Ptcl Lagrangian: S1 vs. S2
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Undergrad Absolute Energy in General Relativity?
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Undergrad Accelerate Charged Particle: Does Light Require Force?
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Graduate Event horizon vicinity in isotropic coordinates
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Graduate Understanding Tolman Solution & f(R) Corrections
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Undergrad Black Hole Creation at Near Light Speed? - Prof. Andrea Ghez
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Undergrad Electromagnetic Force in Special Relativity
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High School Stationary frames of reference
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Undergrad Resolution to the Tachyonic Antitelephone paradox
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High School How Do You Derive the Full Energy Momentum Relation Using Lorentz Factor?
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Undergrad Gradient of a time-dependent function
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Graduate Light from the singularity of a charged black hole
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High School Laser Pointer at Speed of Light: Does It Point Ahead?
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High School Understanding a Special-Relativity Frame and Comoving Center-of-Mass
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High School The Singularity and Hawking radiation
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Graduate Assumptions behind Maxwell's equations for constant speed
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High School Neutron Star Becomes Black Hole: How Can 2 Realities Coexist?
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Graduate FTL Travel: Is It Really Impossible?
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Undergrad Spacetime Metric: Which signature is better?
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Undergrad Spacelike hyperbolae -- accelerated reference frames
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Undergrad A spaceship traveling close to the speed of light sending some data....
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High School Why Special Relativity have overcome Ether Theory?
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Undergrad Length Contraction & Time Dilation Beyond Planck Scale: Correct?
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High School What is the true nature of the mass of a black hole?
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Undergrad Deriving Magnetic Force w/ Approximated Gamma-Factor at UVA
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Undergrad Accelerating Internal OAM Photon Wavefronts Under Gravity
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High School Evolution of Principles: Michelson-Morley, Lorentz & Einstein
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Undergrad Galilean Vs. Lorentz Transformations
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High School Gravity, time and interplanetary communication
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High School Blackhole breaking the speed limit of light?
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Undergrad Relativity of Simultaneity and frames
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High School Time dilation problem question
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Undergrad Question on §3 of Einstein's 1905 paper
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Undergrad Is Causality Relative in Black Holes?
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Undergrad Strange Spacetime behavior inside Event Horizon
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Undergrad Do laws of physics apply below the event horizon?
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Undergrad Connection between Foucault pendulum and parallel transport
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High School Relative speed between Galaxies
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Undergrad Detecting Gravitational Waves: Is My Understanding Wrong?
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Graduate How was the value of the spacetime curvature obtained?
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High School Traveling to nearest star at nearly the speed of light
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Undergrad Why doesn't the Earth's radius change while the surface accelerates?
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Undergrad Two twins moving towards each other in a circular orbit
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Graduate Physical meaning of open set on manifold
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Undergrad Is it possible to distort a black hole's event horizon
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Undergrad Relativity's "time dilation" or clock accuracy alteration
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Undergrad Explaining Different Types of Time in Relativity
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High School Can Understanding Spacetime Lead to Time Travel?
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Undergrad Christoffel Symbol vs. Vector Potential
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Undergrad What does it take to spaghettify?
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Undergrad Is the Age of Our Universe Affected by the Speed of Time at the Big Bang?
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High School Curved line shortest distance between two points?
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Undergrad Why not find mass increase in a simple way?
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Undergrad Help Deriving Relativistic Momentum Equation 3.9
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Undergrad Solving Length Contraction Paradox
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Undergrad Null geodesics in Schwarzschild spacetime
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Insights The Schwarzschild Geometry: Part 4 - Comments
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