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 do you envision a gravitational field?
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Graduate The length of a falling elevator
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Graduate Simultaneity:Confused and almost confident about my own logic
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Undergrad Trying to understand time delineation
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Graduate Gravitational Attraction of a Massive Particle
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Graduate Time for Light to Travel in a Gigantic Spaceship
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Graduate The Einstein and Ricci tensors
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Graduate Is the Newtonian EOM Invariant under Galilei Boosts?
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Graduate I need to calculate δR: R is Ricci scalar
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Graduate Max Velocity Below c When Falling from Infinity to Black Hole?
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Graduate Metric Tensor & Symmetric Tensor Product in GR
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Undergrad Time Relativity: Does Velocity Change?
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Graduate Maxwell's idea to measure aether
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Graduate Dark Matter and Thorne's unlikely time travel
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Undergrad Time Dilation: Does Aging & Decay Slow Down?
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Graduate Metric Sign Convention: Effects on Klein Gordon & Dirac Equations
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Graduate 'relativity' of radiation of uniformly accelerating charge
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Graduate Help wanted with an explanation
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Graduate Can SR handle acccelerating frames?
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Graduate Hypervelocity stars and RX J0822-4300
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Graduate Does Relativistic Kinetic Energy Increase with Velocity?
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Undergrad Relativity at cern - deflection
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Graduate Ehrenfest / rod thought experiment.
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Graduate Special Relativity and Black Holes
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Graduate BRS: degenerate cases of Born-rigidity
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Graduate Balance of Forces - Electrostatic Force vs. Gravitational Force
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Undergrad What is the difference between mass and energy?
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Graduate How Does Absolute Zero Influence Our Understanding of Time and Movement?
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Graduate How does mass affect time near the Great Pyramid of Giza?
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Graduate Tensor transformation under reflections
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Graduate Derivation of Proper Time, Speed, and Acceleration in SR
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Undergrad Gravity at Centre of Earth: Infinite?
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Graduate General relativity with infinite speed of light?
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Graduate A red herring is a debating tactic that seeks to divert an opponent
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Graduate Lorentz Transformation: Coefficients a_{nm}(u) & Inverse Relations
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Graduate Constancy of metric tensor components as a test of curvature
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Undergrad Is Faster Than Light Travel Possible Through Black Holes?
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Graduate Derivation of proper time in acceleration in SR
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Graduate Does Gravitational Time Dilation imply mass change?
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Graduate Local Lorentz Frame: Blandford & Thorne's Applications of Classical Physics
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High School Wondering e=mc^2 is derived from what equations
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Graduate Does Extreme Gravity Alter the Value of Pi?
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High School Length Contraction Explained Simply
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Undergrad Relativity: light in train with person in it
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Graduate Currents in the Universe: Understanding Their Effects
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Graduate Understanding Time Dilation: Confusions and Questions Answered
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Graduate Derivation of Hyperbolic Representation from Lorentz/Minkowski equations in SR
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Graduate Modification of Law of Reflection from a (moving) mirror in Special Relativity
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Can anyone tell a good quotation about GR?
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High School Time Dilation Debate: Arguments For and Against
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Graduate Light Bending in Accelerating Elevators
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Undergrad Basic question about the speed of light
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Graduate Voyager probes and time dilation
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Graduate Is Time the Fifth Dimension in Spacetime?
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Graduate Gravity Wave Detectors: Prepared for Detection & Active Time
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Conservapedia - Counterexamples in relativity
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Graduate What is the relationship between matter and spacetime curvature?
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Graduate Spaceship arriving at a planet
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Graduate Frame of Reference: Does Stuff in the Frame Matter?
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Graduate Could the linear velocity at an infinite distance exceed the speed of light?
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Graduate Reasons why lightspeed travel is impossible
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High School Is E=mc^2 Fully Proven or Still Up for Debate?
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Graduate Gravitational waves are also redshifted?
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Graduate Einstein on Space: Understanding the Concept of Space in Relativity Theory
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Graduate Can we use the Andromeda Paradox?
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Graduate What Are Riemann Normal Coordinates in General Relativity?
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Graduate What are the properties required for spacetime to be a Lorentzian manifold?
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Graduate Multiple clock thought experiment
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Graduate Understanding Mach's Principle: 2 Objects & Zero Observation
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Graduate BRS: Those Damnable Paradoxes I. Overview
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Graduate Differing definitions of expansion, shear, and vorticity
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Graduate Structure of a gravitational wave?
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Graduate Length Contraction and Relativity: Muon Velocity & Gamma Factor
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Graduate Acceleration and Time Dilation
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Graduate Energy vs wavelength for a photon in GR
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Graduate Negative squares using the space time interval invariance
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Graduate Lorentz vs space time interval
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Graduate Can GR accurately predict the speed of gravity waves as c?
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Graduate Basic question about the nature of light and time
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Graduate Question about alpha, the fine structure constant
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Graduate BRS: Some Recent GTR-Related arXiv Eprints
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High School Is Time Travel Possible and How Can We Achieve It?
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Graduate Special Relativity: Going from A to B on a helix
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Undergrad Speed of Light: Time and Motion Explained
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Graduate Conservation of energy predict invariance of elastic collisions?
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Graduate Spin Counter: Can a train's length really dilate?
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Graduate Information transfer that is faster than c?
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Graduate Can Relativity and Gravity Coexist?
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Graduate Does Spin Affect Gravity at the Particle Level?
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Graduate Counting independent components
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Graduate Speed of light in Non-Inertial reference frame?
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Graduate I understand time dilation with light clocks, but
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Undergrad Beginner's questions on time dilation
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Graduate Tipler Cylinders: Solving for Light Cone Tilt Angle
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Graduate Calculating Apparent Speeds of Objects at Light Speed
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Graduate What Causes Time Dilation in Accelerated Systems Compared to Inertial Systems?
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Graduate Special relativity on a circle
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Graduate What are the main paradoxes in Special Relativity?
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Graduate Center of Mass in Special Relativity: Observer Dependence?
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Graduate Two travelers both in Inertial Frames
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