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 Parallel transport and geodecics
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Graduate Minkowski Metric Sign Convention
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Graduate Meaning of Spacetime Foliations
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Graduate What is the determinant of a Lorentz transformation matrix?
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Undergrad Is our understanding of gravity limited by the speed of light?
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Undergrad Time Dilation and The Twin Paradox?
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Graduate Proper Time in Special vs. General Relativity
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Graduate What is the Twin Paradox and how does it illustrate time dilation?
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Undergrad Relative magnetic field direction question
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Graduate Object moving at speed of light as Reference frame.
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Graduate Null coordinates in flat spacetime
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Graduate A hypothetical question about gravity
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Graduate Can Objects Achieve Light Speed Without Gaining Infinite Mass?
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Graduate Relativity when you divide a trip into small time intervals
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Graduate A time dilation thought experiment
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Graduate Actual clock rate difference between surface of Earth and surface of Moon
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Undergrad How dominant is gravity stated in general relativity.?
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Undergrad Difference between relativistic dopler effect and doppler effect?
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Undergrad A question about the equivalence principle.
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Graduate The determination of mass dilation
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Graduate Why does going faster than the speed of light require infinite energy?
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Graduate Help me with this equation from Invariance of interval
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Graduate Does spacetime emit and absorb energy?
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Graduate Finding a solution for Relativistic Acceleration
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Graduate Mirror B Hit by Photon Beam from A
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Graduate Unruh Effect: Virtual Particles Become Real in Accelerated Frames
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Graduate Is conservation of the 4-momentum a postulate?
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Graduate What is the pendulum period on a moving vehicle at 0.6c compared to Earth?
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Graduate Why isn't the Second Relativity Postulate a Law?
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Graduate Conservation of four momentum question
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Graduate Principle of relativity, covariance and physical law.
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Graduate Understanding Space Homogeneity & Lorentz Transformations
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Graduate Reconciling Quantum Interactions and Spacetime: Is a Manifold Necessary?
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Graduate Self-Gravity of gravitational waves
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Graduate Relativity - problem of simultaneity
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Graduate Can the proper time interval be < the coordinate time interval?
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Graduate Confused about curvature of vacuum solutions
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Graduate Question on the CPC and wormholes
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High School Can someone explain time slowing down
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Graduate Measuring the Speed of Light at Relativistic Velocities
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Undergrad Why is the Speed of light always constant?
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Graduate How Does ICARUS Support Einstein's Special Relativity Theory?
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Graduate Can a closed box in freefall reveal the curvature of space?
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Graduate How's energy stated in special relativity.?
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Graduate Light Curve Space: Can Light Beams Attract?
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Graduate Superposition irreducible representation
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Graduate Study materials about Closed timelike curves (CTCs)
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Graduate How can the Pole&Barn Paradox be solved?
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Graduate Basic doubt in SR regarding speed of light in different frames.
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Graduate Faster than Light - Summary Wanted
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Graduate Reference book for mathematics in relativity
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Graduate Relativistic Mass thought exercise with approaching bodies
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Graduate Is one of my legs not in Perfect Time Sinc with the Other?
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Graduate Black Holes and Quantum Field Theory
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Graduate D'Inverno Ch 19 - Kerr Solution
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Undergrad I have a crazy stupid relativity question May be extremely ridiculous
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Graduate Lorent-invariance of the Maxwell's equations in the medium
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Graduate Relativistic force and electromagnetic tensor follow up
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Graduate What are the properties of four-vectors in relativity?
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Graduate Elecromagnetic field of relativistic charge
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Graduate Boyer-Lindquist Cooridinates - incorrect sign on cross term?
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Graduate Evolution of universe with differing SOL
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Graduate Relating Einstein Tensor to Reality
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Graduate Which equations give nonsense in the intersection of QM and GR?
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Undergrad Force as measured at different heights in a gravitational field.
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Graduate Absence of Massive Bodies Traveling at Relativistic Speeds
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Graduate Relating classical and relativistic energy&work
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Graduate Can Gravity Be Manipulated Like Electromagnetic Force?
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Graduate How much does the de Broglie relation depend on Special relativity?
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Graduate Complex Metric Tensor: Meaning, Weak Gravitational Fields & Einstein Eqns
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Graduate Find the Ideal Rocket for Interstellar Travel
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Graduate Observation of gravitational wave strain.
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Graduate Higg's Boson v. Einstein's warping of Space-Time
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Graduate Misunderstanding time dilation and length contraction
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Graduate Fields of a moving point charge with constant velocity.
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Undergrad Can Time Compression Occur in Physics?
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Graduate Derivation of space-time interval WITHOUT Lorentz transform?
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Graduate Red/Blue Shift for measuring absolute velocity
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Graduate Need to find the Ricci scalar curvature of this metric
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Graduate Why Time and Length Contraction/ Expansion
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Graduate Tensor calculus for general relativity question.
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Graduate Equivalence Principle Misunderstanding?
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Graduate Is there a maximum acceleration limit?
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Undergrad Time Dilation: Why Do Observers Measure Different Times?
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Graduate Concerning the 1920 Einstein Derivation of the Lorentz Transformation
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Graduate How does time dilation effect civilisations?
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Undergrad Confusion with time dialation.
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Graduate Red shift and blue shift as relating to time dilation
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Graduate Conformal inv of scalar wave equation
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Graduate How does deceleration affect relative time
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Graduate Whatever happened to those tachyonic neutrinos?
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Graduate What happens to spin as a particle increases in velocity?
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Graduate Does Throwing a Clock in Free-Fall Affect Time Dilation Calculations?
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Graduate Is Einstein's theory of GR shaky
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Graduate Covariant derivative of connection coefficients?
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Graduate If Gravity is not a force , then how does this work?
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Graduate Which Open Source SPH Code is Best for Simulating Mergers and Rotating Objects?
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Undergrad Inifinte integers between each interval of time
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Graduate Can Absolute Velocity be Measured?
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Graduate Is the Twin Paradox Truly Unresolvable from Speedo's Perspective?
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