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 Q re equilibrium energy relationships for a mixture
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Undergrad Comparing Electric Field Intensity in Moving Systems F & F
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High School What is the evidence that there is gravitation?
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High School What is the difference between the two 4-momenta in photon-electron collisions?
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Undergrad How Does the Rain Frame Affect Perception of a Ball Falling Off a Cliff?
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Undergrad Question about derivation of lorentz transformation
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Graduate Where is Potential Curvature Stored in GR?
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High School Limitations of Light Speed and Detecting Black Hole Collisions in the Universe
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Undergrad Time Dilation: Hafele-Keating Experiments
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High School LIGO: Detecting Gravity Wave Sources
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High School Gravity: Why Objects Attract Towards Earth | Einstein
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Undergrad Alcubierre Warp Drive: Arrival Problem - Fact or Fiction?
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High School Mass of a capacitor plate
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High School How Do Proper Acceleration and Gravity Affect Time Dilation in Free Fall Orbits?
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Undergrad Average Luminosity of Moving Body: A Relativistic Analysis
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Undergrad Disproving Velocity's Effect on Space-Time
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Undergrad Change of special relativity formulas?
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Undergrad Path of Light in Curved Spacetime with Metric g
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High School Does a moving bar magnet create charges?
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High School Raisin bread model of space-time
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Undergrad Riemann tensor in 3d Cartesian coordinates
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Undergrad Is Time Merely the Progression of Energy Toward Equilibrium?
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Graduate Flat s-t 4d killing vectors via solving killing equation
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Undergrad Test of Special Relativity Confirmed - ScienceMag.org
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Undergrad Understanding the Concept of Momentum Flux in Stress: Explained and Demystified
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Undergrad Hubble's Law, Friedman Models & Spacetime Curvature Explained
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High School Different Frames of Reference: What's True?
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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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