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 Does mass increase proportionally to speed?
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Graduate Stress-Energy Tensor for Gravitational Field
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Graduate Schutz vs. Hartle: Which Book Offers Better Explanations and Diagrams?
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Graduate Why does observers agree on the spacetime interval?
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Graduate Can a photon be a particle without mass?
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Graduate Computer plot of particle orbits around Kerr black holes
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Graduate Force Equilibrium in GR: Conceptualizing Intuition
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Graduate Halflife of Particles at Different Speeds?
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Graduate How Do Gravitational Fields Affect Photon Energy Levels?
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Graduate Calculation of double dual of Riemann tensor
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Graduate Ultrarelativistic approximation
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Graduate Understanding Wave Direction in Michelson-Morley Interferometer
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Graduate Learn About Tetrads: Definition, Meaning & Problems Solved
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Undergrad Basic time dilation question do I really understand it?
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Graduate Why do we fall, according to GR?
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Graduate The Lorentz transformation matrix properties
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Graduate Understanding Einstein's Special Relativity: A Brief Introduction
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Graduate Maxwell Tensor Symmetries Problem - Federico
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Undergrad Who is Moving in Space? | Curious Student
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Graduate GR Length Contraction & Shapiro Delay: Investigating Light Speed
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Graduate Hypothetical scenario spacecracft moving faster than c
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Graduate Light from Spacecraft Moving Faster than c: Appearance
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Graduate Time Dilation Formula: Travel at Speed c = Infinite Time?
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Graduate Typical rotation speed of a black hole?
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Graduate A thought experiment on gravitation
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Graduate Can a jetpack help you escape from a black hole?
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Graduate Coordinates in GR: An Introduction & Question
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Graduate Question about gravity waves energy and momentum
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Undergrad Length contraction or Lorentz Contraction
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Graduate Handshake on a Fast Train: Understanding Relativity
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Graduate Free Falling Objects in GR: Initial Speed Matters
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Graduate Does gravity as a fictitious force do work? (GR's free-falling frame POV)?
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Graduate Equivalence principle so important?
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Graduate What Aspect of GR Forbids Superluminal Motion?
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Graduate Length contraction of falling things
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Graduate Einstein's Theory of Time: Debunked by Speed and Light | Real-Life Example
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Graduate Clock-experimental proof of special relativity
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Undergrad Is speed of light relative to eather flow?
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Graduate Gravitational vs. electromagnetic waves
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High School Time Travel Paradox Involving Couples
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Graduate Relativity of length contraction
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High School What Does the 'E' in E=mc² Really Represent: Total Energy or Mass Energy?
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Graduate Covariant Derivative and metric tensor
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Graduate Tensorial Calculation and antisymmetric tensors
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Undergrad Gravitational field strength equals zero?
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Graduate Gravitational Radiation in the Weak-Field Limit
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Graduate Maxwells Equations being non-invariant with Galilean transformations
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High School Does Time Move Differently on the Space Shuttle?
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Graduate Seeing into the past through a mirror going fater than the speed of light.
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Graduate Is Our Current Existence Already Predestined by Time Travel?
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Graduate Coordinate transformations in GR, worked examples?
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Graduate The Proper Time in Lorentz Space: Is it Infinite for the Resting Twin?
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Graduate CERN team claims measurement of neutrino speed >c
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Graduate Does Relativity Cause Time Differences Between Two Synchronized Clocks in Space?
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Graduate Integrating the metric in 3-D Spherical coordinates
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Graduate Contravariant and covariant vectors transformations
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Graduate Space time Curvature around the Earth
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Graduate Bell Spaceship Paradox: A and B's Viewpoint
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Graduate Is 'charged black hole' an oxymoron?
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Graduate How will a light beam appear to another light beam.?
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Graduate Some intuitional questions about GR
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Graduate Hilbert action according to robert wald
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Graduate Calculating Proper Time of "A" in Schwarzschild Geometry
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Graduate My understanding of relativity - is this correct?
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Graduate Visualisation of Brian Greene's concept.
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Graduate Moving charge in gravitational field.
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Graduate How can a machine be created to produce energy in GR?
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Graduate Velocity in Inertial Frames: Lorentz Dilation and Contraction
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Graduate How does special relativity account for the time on a single moving clock?
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Graduate Expanding Spacetime - Inside an Atom?
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Graduate Torsion -> covariant deriv of det(g) non-zero?
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Graduate Galilean transform and the maxwell equations
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Graduate Geodesics in a rotating coordinate system
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Graduate No redshift in a freely falling frame
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Graduate Tiny rocket in Galileo’s ship to detect motion
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Graduate How GR Resolves the Conservation of Momentum and Energy
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Graduate Thinking obout The Principle of Special Relativity
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Graduate Energy required to accelerate, and frames of reference
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Graduate Derivation of the Equation for Relativistic Mass
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Graduate Rotating Object Transformation: Length/Circumference Change?
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Graduate Difficulty understanding invariant 'c' implications
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Undergrad Mr. Tompkins in Wonderland - a clarification
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Graduate What is the relationship between direction of motion and time?
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Graduate Can Intense Light Waves Bend Space-Time to Propel a Vessel Through Space?
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Speed Up Time: Tips & Techniques
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Graduate Should I think of gravity/ time dilation as directional?
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Graduate Transformation of Doppler shift
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Graduate Several Questions Concerning Mass-Energy
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Graduate Alcubierre metric and General Relativity
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Graduate Proper Time Interval: Explaining Δs Relationship
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Graduate Explain this - the Muon experiment
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Graduate How Much of the Universe's Gravity is Due to the Strong Force Versus Rest Mass?
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Graduate FTL, causality, QE - some questions
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Graduate How do relativity and magnetism affect each other?
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Graduate Do DIFFERENT observers see a DIFFERENT force on accelerating body?
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Graduate Can an object orbit a black hole before disappearing?
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Graduate How does Lanchester's transporter work in a curved manifold?
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Graduate Ultra-Relativistic sound speed problem
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Einstein's 1906 Paper: English Translation Requested
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Graduate Transformation for accelerating observers
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