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 Is equivalence principal really true?
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Graduate How much energy is needed to create 3 protons and an antiproton from 2 protons?
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Graduate Is There a Perpetual Motion Machine Hidden in the Capacitor Paradox?
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Graduate Lorentz Transformation: Finding d(gamma)/dt
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Graduate Calculating Earth's Increased Mass with Velocity Change: A Scientific Analysis
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Graduate (gamma)ma=F-[F.(beta)]beta How derive this?
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Graduate Dangers of FTL Space Drives: AIAA/NASA Report Analysis
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Graduate Why cant special reletivity and Newtonian theory of gravity agree?
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Graduate Confusions over general relitivity
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Graduate What Happens to Mass Inside a Black Hole?
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High School Perception vs. Reality-relativity of time
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Graduate Apparent paradox: e=mc^2 violates conservation of energy?
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Undergrad Light move away from the emitter at 1.00 c ?
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Graduate .5 c train relativity question
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Graduate Minimum Travel Time: Is It Possible?
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Graduate Velocity Addition: Lead Photon Movement?
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Undergrad What is the reason for Gravity ?
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Graduate Can gravitational blue shift happen without gravitational time dilation?
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Graduate Does J go to inf when v goes to c?
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Graduate Question about 'uniform' pseudo-field felt by accelerating observer
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High School Ether and how it was disproved.
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Graduate Does Gravity Exist or Is It Just a Bend in Space-Time?
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Graduate Einstein on the relativity of distance.
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Graduate Getting the Ricci and metric tensor from T ?
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Graduate Can a Photon Exist in Multiple Places Due to the Problem of Simultaneity?
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Graduate Understanding the Metric Tensor in General Relativity
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Graduate Frequent flyer miles for the travelling twin
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Graduate Cosmological Constant and Planck Length in relativity
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Graduate Lengths perpendicular to relative motion are unchanged
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Graduate Relativistic Angular Momentum?
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The World's First Time Machine: A Documentary and a Mystery
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Undergrad When does Newton's Gravitation fail us?
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Graduate Lead Photon Motion: Is Distance Constant?
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Graduate Question's About the Speed of Light
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Graduate How Does Traveling at .9999c Affect Human Time Perception?
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Graduate What sort of vector is this?
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Graduate Ampere's Law: Questions from E.M. Purcell's Textbook
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Graduate Superluminal transfer of information via gravity
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Graduate Electric is Magnetic - Relativistically speaking
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Graduate Lorentz Generators, Srednicki eq. 2.13
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Graduate Black Hole Horizon Information
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Graduate Crossing event horizon and Hawking radiation
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Graduate Object Blueshift: Where Do Extra Vibrations Come From?
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Undergrad Question about the effect of c on light
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Graduate Superluminal velocities & redshift
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Graduate SR and classical Doppler shift
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Undergrad Relativity & Gravity: Questions for a 16-Year-Old
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Graduate Time Dilation, who is aging slower?
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Graduate Local Inertial Frame: Understanding Riemann Curvature & Metric Tensor
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Undergrad Understanding Gravitational Potential in Different Reference Frames
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Graduate The Truth About Time Travel: Separating Fact from Fiction
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Graduate Unifying Gravity & GR: A Contradiction in Physics?
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Graduate Relativistic Mass Increase and Its Dependence on Relative Speed
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Graduate Does time speed up as space expands
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Graduate Speed increases mass, which increases gravity?
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Graduate The visible universe and the speed of light
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Undergrad Earths rotation and special relativity
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Graduate Problem with Rubber and Metal Ball Analogy
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Graduate Relativity Theory and Quantum Theory
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Graduate What are the implication of Einstein's definition of space time?
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Graduate Simultaneity, does it confuse causality?
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Graduate Two Spaceships & Light: Measuring Speed from Earth
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High School Does gravity pull towards a point behind an object or its center of gravity?
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Undergrad Is Time Influenced by Mass and Matter?
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Graduate What is Feynman's excess radius for a black hole?
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Graduate Gravitons & Warping: Reconciling Extra Dimensions?
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Special and General Relativity
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Graduate Is there an analytical explanation for Einstein's famous equation E=mc^2?
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Graduate Can Gama Rays Escape a Black Hole?
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Graduate White Holes: Explaining How They Violate the 2nd Law of Thermodynamics
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Graduate Lorentz transformations derived using dimensional analysis?
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Graduate Benefits of time dilation / length contraction pairing?
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Graduate Time dilation effects on spinning object
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Graduate My Theory of Gravity: Mass Causes Time Dilation & Attraction
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Graduate Horizon for Constant Acceleration - Special Relativity
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Graduate Confused about Equivalence Principle
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Graduate Are Time-Traveling Photons a Real Scientific Concept?
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Graduate Behavior of a tangent light beam to an event horizon?
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Graduate Electromagnetic version of the positive energy theorem?
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Graduate Derivation of Wormhole Mouth Mass/Charge?
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Graduate Speedy ship flies through the sun
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Graduate Conceptual GR question (regarding orbit paths)
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Undergrad Special Relativity Time Travel to Future - Could You Watch the News on Earth?
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High School Gravity reaches across space and apparently reaches across time.
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Graduate Mass warping time, question/ interpretation
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Graduate Can Artificial Gravitational Fields Create Wormholes for Space Travel?
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Graduate The trivial constant force acceleration math
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Undergrad Explaining E=M C^2 to 14 year olds ?
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Graduate Understanding Penrose Diagrams - Insight & Explanation
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Undergrad Constancy of the speed of light
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Graduate [help]how to obtain gravity eqution from gravity field Action S?
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Graduate Twin Paradox (I know not again)
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Graduate What Happens to Light When a Flashlight Hits an Asteroid?
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Graduate The doppler radar trap paradox on the path to gravity.
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Graduate Does an observer on a carousel see a horizon?
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Graduate Are Scientific Equations Only Valid for Certain Scales in Physics?
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Undergrad A thing that confuses me (quasi-paradox)
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Graduate Significance of Special Relativity
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Graduate How Does Earth's Curvature Affect the Ratio of Gravity?
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Undergrad What causes the gravitational redshift phenomenon?
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