Special and General Relativity Forum

High School Can someone explain time slowing down

Graduate Measuring the Speed of Light at Relativistic Velocities

Undergrad Why is the Speed of light always constant?

Graduate How Does ICARUS Support Einstein's Special Relativity Theory?

Graduate Can a closed box in freefall reveal the curvature of space?

Graduate How's energy stated in special relativity.?

Graduate Light Curve Space: Can Light Beams Attract?

Graduate Superposition irreducible representation

Graduate Study materials about Closed timelike curves (CTCs)

Graduate How can the Pole&Barn Paradox be solved?

Graduate Basic doubt in SR regarding speed of light in different frames.

Graduate Faster than Light - Summary Wanted

Graduate Reference book for mathematics in relativity

Graduate Relativistic Mass thought exercise with approaching bodies

Graduate Is one of my legs not in Perfect Time Sinc with the Other?

Graduate Black Holes and Quantum Field Theory

Graduate D'Inverno Ch 19 - Kerr Solution

Undergrad I have a crazy stupid relativity question May be extremely ridiculous

Graduate Lorent-invariance of the Maxwell's equations in the medium

Graduate Relativistic force and electromagnetic tensor follow up

Graduate What are the properties of four-vectors in relativity?

Graduate Elecromagnetic field of relativistic charge

Graduate Boyer-Lindquist Cooridinates - incorrect sign on cross term?

Graduate Evolution of universe with differing SOL

Graduate Relating Einstein Tensor to Reality

Graduate Which equations give nonsense in the intersection of QM and GR?

Undergrad Force as measured at different heights in a gravitational field.

Graduate Absence of Massive Bodies Traveling at Relativistic Speeds

Graduate Relating classical and relativistic energy&work

Graduate Can Gravity Be Manipulated Like Electromagnetic Force?

Graduate How much does the de Broglie relation depend on Special relativity?

Graduate Complex Metric Tensor: Meaning, Weak Gravitational Fields & Einstein Eqns

Graduate Find the Ideal Rocket for Interstellar Travel

Graduate Observation of gravitational wave strain.

Graduate Higg's Boson v. Einstein's warping of Space-Time

Graduate Misunderstanding time dilation and length contraction

Graduate Fields of a moving point charge with constant velocity.

Undergrad Can Time Compression Occur in Physics?

Graduate Derivation of space-time interval WITHOUT Lorentz transform?

Graduate Red/Blue Shift for measuring absolute velocity

Graduate Need to find the Ricci scalar curvature of this metric

Graduate Why Time and Length Contraction/ Expansion

Graduate Tensor calculus for general relativity question.

Graduate Equivalence Principle Misunderstanding?

Graduate Is there a maximum acceleration limit?

Undergrad Time Dilation: Why Do Observers Measure Different Times?

Graduate Concerning the 1920 Einstein Derivation of the Lorentz Transformation

Graduate How does time dilation effect civilisations?

Undergrad Confusion with time dialation.

Graduate Red shift and blue shift as relating to time dilation

Graduate Conformal inv of scalar wave equation

Graduate How does deceleration affect relative time

Graduate Whatever happened to those tachyonic neutrinos?

Graduate What happens to spin as a particle increases in velocity?

Graduate Does Throwing a Clock in Free-Fall Affect Time Dilation Calculations?

Graduate Is Einstein's theory of GR shaky

Graduate Covariant derivative of connection coefficients?

Graduate If Gravity is not a force , then how does this work?

Graduate Which Open Source SPH Code is Best for Simulating Mergers and Rotating Objects?

Undergrad Inifinte integers between each interval of time

Graduate Can Absolute Velocity be Measured?

Graduate Is the Twin Paradox Truly Unresolvable from Speedo's Perspective?

Graduate Geodesics in Rindler Space: How Do They Differ from Minkowski Space?

Graduate Electromagnetic Tensor: Questions & Answers

Graduate Understanding Proper Acceleration: Definition, Equations, and Applications

Graduate Reversal of velocity in center of mass.

Graduate 4 Momentum and 4 velocity relationship

Graduate What Happens When Observers Approach an Event Horizon?

Graduate Can Beta-rays Travel Faster Than Light During Radioactive Decay?

Graduate Having trouble believing light is limiting.

Graduate Velocity of Frame 2 WRT Frame 1: Time, Distance & Big Bang

Graduate Stimulated generation of superluminal light pulses via four-wave mixing (NIST)

Undergrad Why is the Moon Drifting Away from Earth?

Graduate Maintaining Acceleration at Near Speed of Light: The Role of Relativity

Graduate Why does mass bend spacetime in a single plane?

Graduate EM-radiation (light) realllllly have gravity?

Graduate Calculation on hawking radiation in schutz (pg 324)

Graduate I have a question on pseudogravity as invoked in thought experiments

Graduate Rotating Disk Physics: SR Reconciles Fast-moving Points?

Graduate Does this theory merrily assert things about the speed of light?

Graduate Time dilation of Muons and a Paradox

Graduate Energy conservation in electric field scattering from a discontinuity

• Poll

Graduate Is Time Travel Possible with the LHC and Dirac's Phone?

Graduate Length contraction and general relativity

Graduate Those moving near speed of light simulation videos

Graduate Effect such as gravitational waves?

Graduate Conceptual problem with time dilation and simultaneity

Graduate Equivalence principle and light

Graduate Simple Twin Paradox Resolution Using Rocket Man Traveling from Earth to Planet Claire

Graduate Theory Of Relativity's effect on light

Graduate Is Time Truly a Fourth Dimension in Physics?

Graduate Length Contraction and Relative Motion

Graduate Trying to understand contravariance

Graduate Clarification about length contraction question

Graduate Does the Unruh Effect Contradict Energy Principles in Flat Spacetime?

Graduate Hyperelasticity and the relativistic Lagrangian of a 1-dimensional rod

Graduate Why particles follow path of extremal proper time?

Graduate Does SR really set a speed limit ?

Undergrad Understanding the Twin Paradox: Explaining Relativity with Simple Analogies

Graduate Absolute position in spacetime?