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 Derivation of the momentum-energy relation
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Graduate Is the General Theory of Relativity Worth Learning from a Troll?
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Graduate New to Relativity:Need Answers
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Graduate Relativity and temperature question
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Einstein's Mass-Energy Equivalence
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Graduate Unification of GR and classical E&M
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Graduate Why Does Light Have No Rest Mass While Other Particles Do?
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Graduate Weighing Mass of Photons in Different Directions
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Graduate Is matter truly keeping pace with the expansion of space?
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Graduate Help with a little Gedanken experiment please?
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Undergrad Plank & Bullet Experiment: Questions Explained
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Undergrad Galilean Transformation Question
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Graduate Time Reversed: Can Humans Think?
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Graduate RF SR: What If I'm Anchored to a Moving Train?
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Undergrad Derivation of relativistic energy
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Graduate Is time dialation really *time* dialation?
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Graduate Hamilton-Jacobi equation for Gr
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Graduate Relativistic effects in non-vacuous media
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Graduate Possible solution for dark energy
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Graduate Question About Relativistic Acceleration
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Undergrad What Experiments Provide Evidence for General Relativity?
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Undergrad Unraveling the Gamma Factor Equation
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Undergrad Why does E=MC^2 require the speed of light and why is it squared?
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Graduate How to retrieve the lenght-contraction from the LT?
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Graduate What is the accuracy of world time and can it be improved?
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Graduate Einstein's Quadrapole Model for Gravity Waves
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Graduate Time Travel: Examining the Possibilities
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Graduate Quick question for a confused English major
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Graduate Is gravitation faster than light?
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Graduate Stationary Einstein-Vlasov system
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Has anyone heard any more about this guy
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Graduate What is the Mass Density of a Magnetic Field in Relativity?
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High School The Sun revolves around the Earth?
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Graduate How Does Sectional Curvature Define Spacetimes in General Relativity?
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Graduate Does Special Relativity Suggest a Predetermined Future?
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Undergrad Start Learning Relativity: Books for Beginners
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Graduate Twins/triplets again, but *truly* symmetric
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Graduate Massive objects going 99.9% speed of light.
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Graduate How Do Muons Travel from the Atmosphere to Earth Despite Their Short Lifespan?
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Undergrad Can objects travel faster than light in relativity?
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Graduate Understanding Relativity: The Reality of Time and Space
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Graduate Hell all me life or death situation
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Graduate What Number Boxcar Will Sam Stop At?
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Graduate Particle Energy in Schutz's "A First Course in General Relativity
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Undergrad What Makes Light Travel at Speed C?
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Graduate The first failure of relativity?
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Graduate Can Geometry Explain Electricity and Magnetism Like Gravity?
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Undergrad Mass and Energy: Photons, Energy, and Light Speed
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Graduate H Ziegler - Does any one have any info on him?
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Graduate What is the true nature of Spacetime?
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Graduate Generalized Lorentz Transformation for an Accelerated Frame of Reference
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Graduate Mechanical Time Dilation: Explained
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Graduate What is the true meaning of E=mc² in mass-energy conversion?
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Graduate Is There a Discrepancy Between Inertial and Gravitational Mass in Relativity?
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Undergrad What ever happened with NEC's experiment that exceeded the speed of light?
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Undergrad Confused about black holes and acceleration
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Another view of the concept of time.
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Graduate A question about movement in 4D
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Graduate Understanding Special Relativity: Mass, Energy, and Velocity
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Graduate Mass as Curvature in GR: Deriving Inertia as a Force
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Graduate Could a GR expert look at this?
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Graduate Is FTL Travel Within a Light Cone Possible for Time Travel?
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Graduate Help Solve a Mystery: Lawden's "An Introduction to Tensor Calculus
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Undergrad Can someone explain Einstein's relativity theory?
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Graduate A question of universal expandsion
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Graduate Find Distance on a 2-Sphere Using Metric Tensor
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Graduate Can Objects Really Travel Through Forbidden Space Between Black and White Holes?
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Undergrad Electric Charge Oscillation & Light Waves
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Graduate Graviton and the equivalence principle
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Graduate Discovered a way to make MOND fully relativistic
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Graduate Spacetime wave orbits black hole
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Graduate Special Relativity vs Alternatives
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Graduate Relative positions in time - How does SRT define them.
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Relativity & Quran: Is Bible Wrong?
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Graduate How do you calculate time dilation in a gravitational field
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Undergrad The Twin Paradox: Understanding Time Dilation in Space Travel
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Graduate Note the comment on SR herein:
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Undergrad Einstein's Derivation of e=mc^2: Urgent Help Needed
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Graduate Testing the Postulate of Special Relativity
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Undergrad Explaining Special Relativity: Increasing Resistance to Acceleration
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Graduate Bob's Spaceship: Length Contradiction & Time Difference
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Undergrad Can anyone explain the Twin Paradox in special relativity?
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Graduate Ph. D. in Mathematics or Physics (Relativity)
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Graduate How Does Relativity Affect Information Exchange Between Moving Observers?
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Graduate Light Geodesic Path: Troubleshooting Post Deletion
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Graduate Why Does a Chain Snap Between Train Cars at High Speeds in Relativity?
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Graduate Geometric field / Thirring Lense / Red shift
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Graduate Understanding Gravity: The Curvature of Space-Time and Kinetic Energy
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Graduate What if the guy on the train throws the ball backwards (u'=-.99c)?
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Graduate Is the Missing Mass in Nuclei Equal to Nuclear Potential Energy?
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Graduate Question on feasibility of relativistic travel
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Undergrad Solving Escape Velocity of the Sun: Troubleshooting an Error
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Graduate GR & Higgs Field: Linked by Mass?
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Graduate A interesting problem in relativity
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Graduate Is the Speed of Gravity Equal to the Speed of Light?
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Graduate When is the radiation from an accelerated charge a matter of controversy?
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Graduate Can Photons Have Reference Frames in Special Relativity?
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Undergrad Relative Velocity of a Car on a Moving Truck
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Graduate Proving relativistic blueshift with Lorentz transforms only
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Graduate Mathematically rigorous definition of time ?
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