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 A Supposed alternative to GR I feel to be NonsenseClarification please
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Graduate What Are Contravariant and Covariant Tensors in Relativity?
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Graduate Sir Hermann Bondi (1919 - 2005)
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Need Help Identifying Errors on My Website?
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Graduate Antisymmetric 4-Tensor: Hodge/Duality Transformation Explained
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Undergrad Accelerated charges loose energy
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High School What are gravitational lenses?
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Undergrad Gravity Probe B Results: Preliminary Info
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Undergrad Curvature of light and its effect on reality
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Undergrad Get Formula for Rolf's 24-Hour Mars Trip
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Graduate Question 2: Relative events and space-time intervals
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Graduate The gravition and Einstein's equivalence principal
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Graduate Thoughts on Einstein’s Theories
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Undergrad Time travel is posibble or not ?
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Graduate Photon Mass: Debunking the Myth of Zero Mass in SR Equation
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Graduate Shear stress energy tensor in GR
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Graduate Question about Einstein's train and lightning
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Graduate Gravitational field of a moving object
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Graduate Through what medium does EM propagate in empty space?
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Graduate What Forms of Energy Could Exist if All Matter Transformed into Energy?
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Graduate Hypothetical; what would a rocket look like to an outside observor if
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Graduate Rotate Pencil About Axis AB: What Obs. C Sees
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Graduate Understanding Relativity: How a Mirror Reflects Your Image at Near-Light Speeds
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Undergrad Confused about fourth spatial dimension
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A question about the existance of a thread
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Graduate What is Relativity? Get Help Understanding It
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Finding Original Relativity Documents Online
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Graduate Understanding Abstract Physics: Gauge Functions & Properties of EM Fields
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Graduate Four-vectors, Minkowsky spacetime.
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Graduate Spacetime intervals again - still figuring out the formula
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Undergrad Special Relativity: 1st & 2nd Postulates Explained
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Undergrad Would it be possible to see into the past
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Graduate Is the Langevin Twins Paradox Validated by Other Experiments?
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Graduate Is the Redshift of Light at a Black Hole's Surface Infinite?
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Graduate Random questions + Geometric multidimensional patterns.
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Graduate The speed of light in a vacuum
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Graduate Tidal Forces/Fields: Analyzing N-Body Simulation Data
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Graduate The nature of space, time and spacetime
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Graduate Twins Paradox: What Do Each Twin Observe During Trip?
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Graduate How Does Relativity Apply in Rotating Frames of Reference?
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Help. not sure how to criticize the following site:
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Undergrad Either my professor made a boo-boo or I don't get it(regarding E=mc^2)
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Graduate Deriving Relativistic Mechanics Equation: \gamma
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Graduate Light Bending Effect in General Relativity: Understanding Gravitational Lensing
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Undergrad Relativistic energy and matter
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Undergrad Relativistic length contraction
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Undergrad Is Earth's Gravitational Field Zero at 900km Altitude?
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Graduate Is Time the Same for All Observers in Different Dimensions?
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Graduate Relativistic addition question
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Graduate MasterIs the existence of gravity shock waves in the universe possible?
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Graduate In this section explaining relativity
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Graduate Time in the Lorentz transformation
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Graduate What happens to time when a body reaches the speed of light?
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Graduate Is Relativistic Mass Still Relevant in Modern Physics Discussions?
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Undergrad So two ships leave earth in opposite directions
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Is Proving Einstein Wrong a Serious Challenge or Just a Fun Debate?
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Graduate Another Hairbrained FTL Scheme
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Graduate E = mc^2 is Not Einstein's Discovery?
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Graduate A better way to imagine the time space continuum.
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High School Speed of Light: Independent to Observer?
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Graduate Linear vs Sagnac: Examining Arrival Time Differences
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Graduate Unreliability of Hafele & Keating Experiment: A Critical Analysis
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Graduate Why is the Speed of Light Squared in Special Relativity?
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Graduate How can we physically travel through time?
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Graduate Answer: Rest Energy of Electron or Positron: 0.51 MeV
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Graduate Can the speed of light be considered an absolute?
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Undergrad Why the michelson-morley experiment is not reliable
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Undergrad Why is the Speed of Light Squared in E=mc^2?
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Graduate Speed Of Light and stimilation
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Graduate Question from Rindler's Introduction to Special Relativity
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Graduate How Time Stands Still: r=GM/c^2
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Graduate Proving Energy-Momentum Tesor Relation
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Graduate Reimagining Science: Space, Time, and Gravity in a New Light
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Undergrad The attraction of light by gravity
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Graduate Traveling Fast and Infinite Mass
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Undergrad Everything in the universe is related
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Graduate What Explains the Variation in Gamma-Ray Burst Spectral Time Lags?
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Graduate Will Gravitons Redefine Our Understanding of the Electromagnetic Spectrum?
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Graduate Beginner Help on Minkowski Space (and others)
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Undergrad Can gravitons travel in a vacuum?
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Undergrad How do you explain the twin paradox to a friend
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Graduate Some conceptual questions on SR
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Graduate Tachyons & Time: Does Faster Mean Before?
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Graduate Traveling to the Future with Speed of Light - Can it be True?
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Graduate Einstein's Quest for Unifying SR & GR with EM
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Graduate Place to discuss the Theory of Relativity
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Graduate Einstein's Belief: Everything Moving at Speed of Light?
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Graduate Lorentz Contraction of a Rotating Object
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Graduate Time and the Sound Barrier: How Fast is Too Fast?
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Graduate What Is Minkowski's Geometric in Relativity
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Graduate Gravity of Light: Can a Laser Beam Generate Its Own Field?
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Graduate Escaping Black Holes: Is It Possible?
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Graduate Absolute vs. Relative: Explaining Relativistic Effects
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Graduate J Baez' The meaning of Einstein's Equations
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Graduate Is time relative for each observer in motion?
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Graduate How to calculate speed of gravity in GR?
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Undergrad Asking the Big Questions: Gravity Explained
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Graduate The difference between felt, and unfelt motion.
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Graduate Why Minkowski spacetime and not Euclidean spacetime?
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Undergrad How do you explain the twin paradox to a friend
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