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 How long does it take to go 10LY?
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Graduate Why Does Time Differ Between Astronauts and Earth in Relativity Theory?
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Graduate How Do Minkowski Diagrams Illustrate Lorentz Transformations?
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Graduate Noether currents associated with diffeomorphism invariance
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Graduate White Holes & Eternal Black Holes: Stephen D.H. Hsu
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Graduate Could an object survive passing through two intersecting black holes?
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Graduate Simultaneity of Events in Different Inertial Frames
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Graduate A bit of a confusion regarding light, speed of it
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Undergrad CD: Does gravity cancel out acceleration?
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Undergrad Questioning the Physics of a Hypothetical Cord
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Graduate Spacetime Symmetry: Find Quick Answer to Simple Question
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Graduate Existence of solutions to Einstein's equation
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Graduate Is physics plain classical and Relativity an illusion?
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Graduate Can We Really Predict the Future by Exceeding the Speed of Light?
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Graduate The Collision Clock Experiment
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Graduate The Switch Paradox: Resolving Relativity of Simultaneity
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Graduate Schwarzschild solution without matter
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Graduate Relative velocity and work done
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Undergrad Quick length contraction question please
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Graduate What Causes Time Dilation Between Two Objects?
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Undergrad Can a Light Spot Go Faster than c?
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High School How Can We Truly Measure the Speed of Light?
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Graduate Is One-Form Multiplication Commutative?
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Graduate How is the Minkowski 4-space equation connected to hyperbolic functions?
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Graduate The mass of an object warps/bends/disturbs spacetime. But does the
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Graduate Making sure events are simultaneous in S'
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Graduate Is there a proof of parallel universes?
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Graduate Thin shell velocity is greater than speed of light?
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Graduate Relativistic Effects on the E-field
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Graduate Is the Lorentz force invariant under Lorentz transformations?
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Susskind Lectures on General Relativity
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Graduate Mass increase at relativistic speeds
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Graduate Fermats P & Gravitational Lensing
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Graduate List of people who understand relativity
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Graduate Calculating the binding energy of a black hole
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Graduate Do train gaps appear smaller in motion?
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High School Does the Earth move around the Sun?
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Graduate Speed of object emerging from wormhole
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Graduate Does light must be wave-like in Einstein mirror clock thought experiment?
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Graduate BRS: Using geodesic congruences and frame fields to compute optical experience
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Graduate QM & Relativity: Can Photons Moving at Speed of Light Be Stationary?
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Graduate Defining Vector: Beyond Schutz's Treatment in G. Relativity
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High School Time Dilation Basics: What It Means for Space Travel
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Graduate Is Time Dilation Caused by Motion or the Fabric of Time Itself?
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Undergrad Can Both Observers Experience Time Dilation in the Relativity of Motion?
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Graduate Does Time Dilation Explain the Lack of Effects in Quasar Light Curves?
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Graduate Acceleration/Deceleration in SR
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Graduate Is there such thing as relativistic angular velocity?
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Graduate Electromagnetic stress energy tensor
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Graduate Ideas about black holes, light, and time.
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Graduate One dimensional collision of 2 unequal masses
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Graduate If photons don't have mass, why do their paths bend in a gravitational field?
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Graduate Understanding General Relativity: What Does it Take?
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Graduate Do Electrons Emit Lower Frequency Waves When Moving Very Fast?
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Undergrad The General Relativity Elevator Thing
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Graduate Amazing Experiment: Faster Than Light?
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Graduate Can an observer know he's in a black hole?
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Graduate What is Timelike? Detailed Explanation
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Graduate Time Dilation: Solving Brian Greene's Example w/ Math
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Graduate Interesting General Relativity Scenario
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Graduate Relativity says that there is no absolute simultaneity. Quantum
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Graduate Does electromagnetic radiation from pulsar stars
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Graduate Earth's Velocity in Space: Measuring Time Dilation
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Graduate Hyperphysics: Hafel-Keating experiment
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Graduate Does the speed of light slow down near a black hole?
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Graduate Is Einstein-Cartan Theory a Mainstream Extension of General Relativity?
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Graduate What Drives Time Forward in Our Universe?
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High School Speed of Light: Expert Answers to Your Questions
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Graduate Light Sphere Paradox: A Conundrum with No Solution?
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Graduate Is the summation notation for three equivalent expressions?
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Graduate Causality violation from FTL signaling within the same reference frame only?
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Graduate Null Hyperplanes & Cauchy Surfaces in Spacetimes
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Graduate Is the Painleve-Gullstrand chart consistent with the Schwarzschild solution?
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Graduate Understanding Minkowski Space-time: An Explanation of Time as a Dimension
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Graduate The significance of special relativity
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Graduate Minimal mass from cosmological constant?
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Graduate Solving the Twin Paradox with Lorentz Transformation
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Graduate Computing Spatial Distance in General Relativity
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Graduate I'm having trouble understanding the following sentence from Schutz's
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Undergrad Ball dropping and frame of reference
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Graduate Why is the speed of light invariant despite relative motion?
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Graduate Conservation of the volume form
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Undergrad Can Matter Fall Into a Black Hole & Become Energy?
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Graduate Time dilation and length contraction for rotating black holes
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Graduate Definition of a symmetric connection
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Undergrad Newton vs Einstein: Conflict & Division of Physics Theories
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Undergrad Gravitation and Antimatter: Does it Matter?
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Graduate Negative Gravity (not dark matter)
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Graduate Order of Operations, Lorentz Transformations & Superposition
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Graduate Gravitational time dilation on a non-spherical object
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Graduate GRAVITATION by MTW: p.49, lambda or tau?
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Graduate Events can be simultaneous in one time frame but not so in others
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Graduate Attempting to obtain the velocity subtraction formula (help required)
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Graduate How is velocity defined in the context of relativity?
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Graduate Gravity and Time Dilation: Are They One and the Same?
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Graduate Relative Charge & Temp: What Happens to Electrons & Bodies Near Speed of Light?
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Undergrad Speed and Spacetime Distortion
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Graduate Are Photons Massless? | Inquiry & Confusion
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Graduate Open and closed in the geometrical sense vs the thermodynamic sense
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Graduate Relativity of simultaneity: the source of the headache
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