Special and General Relativity Forum

Graduate Are All Particles Actually Naked Black Holes?

Undergrad Gravity: Sun Moves 10 Miles - Effects on Earth?

Graduate Spacetime - infinite or expanding?

Graduate Where to find solved problems on relativistic kinematics and dynamics?

Graduate Can Geodesics Cross in General Relativity?

Graduate Twin paradox: telling who accelerates (why isn't it arbitrary?)

High School Does E=MC2 Determine a Body's Gravity?

High School Is Stopping Time Truly Impossible?

Graduate How Does Gravity Influence Time in Our Universe?

Graduate Is There a Limit to How Much Space-Time Can Curve?

Graduate G_ab: Calculating a Corrected Value

Graduate Rigid bodies in special & general relativity

Graduate Amplified frame-dragging effects due to superconductors?

Undergrad Do Massive Objects Float Above or Rest on the Fabric of Space?

Graduate Nonstandard relativistic dynamics

Graduate Is relativistic effect of length contraction physically real ?

Graduate Questions about the Velocity of Light

Graduate Special Relativity, Question on C and Time Dilation

Undergrad Can someone explain equivalence of gravity and inertia?

Undergrad Quantum Gravity in Relation to Gravitational Waves

Graduate Can a black hole predict its own growth before it happens?

Undergrad Space and time. What I dont know but would like to

Graduate Temperature of fast objects decreases?

Graduate Quantifying Negative Energy from Entropy

Undergrad Can any one explain me about the bigbang singularity

Graduate Spacetime Immutability: Is it True?

Graduate Understanding the Ricci and Riemann Curvature Tensors in Tensor Calculus

Graduate What Gives a Motionless Meteorite Shard Momentum in the Curvature of the Sun?

Graduate Curl added to the spacetime metric.

Graduate Hard time grasping the concept of the Geodesic

Graduate Non Twin Spaceflight Time Dilation

Graduate Exploring the Motion and Dimensions of Light in General Relativity Theory

Graduate How are tensors transformed in non-linear coordinate systems?

Graduate Light propagation in a moving train frame

Graduate What Limits Light-Speed in Space-Time Theory?

Graduate Gravitational time dilation explanation for Newtonian gravity?

Graduate Time Travel in Special Relativity

Graduate How does gravity curve spacetime?

• Poll

Graduate Does the Earth's Rotation Affect Time Dilation in Einstein's Twin Paradox?

Graduate Hubble Redshift: New Paper on Its Implications

Graduate Symplectic mechanics - elementary particles

Graduate Best name for the length of a moving rod measured by a stationary observer

High School Matter Defined: Mass, Volume & Time? Unit Ideas?

Graduate Is there any exp. evid that massless photons cuves spacetime?

Graduate Universe Expansion: Is There a Formula for Space Creation?

Graduate Tension in space in Newtonian gravity

Undergrad Warping of Space-time, Confusion about the illustration

Graduate Could I really be as massive as the entire universe?

Graduate Is the Equivalence Principle Contradictory in General Relativity?

Graduate Simple math question regarding Lorentz Invariance

Graduate Negative Mass: Fact or Fiction?

Graduate Time in a Vacuum: Does it Exist? | Tim

Graduate Derivation of Gamma: Is it Correct?

Graduate Is General Relativity Exclusively a Macroscopic Theory?

Graduate My First ST Diagram: Testing SR Understanding

Graduate How the last part relative to the azimuthal angle works

Graduate Why the Six Generators of the Restrict Lorentz Group

Graduate Why is the sign of p^0 invariant for orthochronous Lorentz transformations?

Graduate Explaining the Blue Shift in Terms of the Strong Equivalence Principle

Graduate Prove Chern-Simons Dispersion Relation | Carrol, Field, Jackiw

Graduate Can Satellites Measure Earth's Geode Using Velocity Instead of Position?

Graduate Angular Momentum and the speed of light

Graduate Physical law from experimental data

Graduate Why Do Square and Rhombus Grids in Spacetime Diagrams Have Equal Areas?

Undergrad Current Applications of the Theory of Relativity?

Graduate What would happen if you tossed one end of a wormhole into the other end?

Graduate Why does the photon bounce vertically in the light-clock?

Graduate Understanding Time Dilation in Relativity: An Example

Graduate Idiot trying to grasp relativity with a couple questions

Graduate Newton's Third Law and Relativity

Graduate Would Einstein Object? The Lorentz Transformations

Graduate Inertial frames vs velocity vectors

Graduate Electromagnetic spacetime curvature effects

Graduate What is the exact physical extent of a black hole singularity?

High School Schwarzschild Radius and gravitational constant

Undergrad Relativity, speed of light and stuff

Graduate Is an isometry always a statement about the principle of covariance?

Graduate Does electrical-magnetic fields curve spacetime?

Undergrad My Problem Understanding Special Relativity

Graduate Why does the twin paradox seem to imply an aether?

Undergrad Do we also travel at a fixed velocity?

Graduate Lorentz Transformations: Understanding and Deriving Acceleration Expressions

Undergrad Understanding Michelson-Morley Experiment

Graduate Why does stress-energy tensor change between reference frames?

Graduate Universe Expanding: Forces That Speed & Slow It Down

Graduate Search for a correct explanation

Graduate One-parameter family of metrics

Graduate Lorentz contraction of box filled with gas

Graduate Tensors of Relativity: Inner vs Outer Indices

Graduate How Does Relativistic Doppler Effect Impact Perception in Space Travel?

Graduate Relativity fails with quantum particles?

Graduate Moving faster but taking longer

High School Why is Gravity on Earth but Not in Space?

Undergrad What Happens to Time If the Rotation of Planets Stops?

Graduate External clock synchronization and sbsolute motion

Graduate Is gravitomagnetism only frame-dependent, not real frame-dragging?

Graduate Gravitational Force: Position Formula for Object Attracted

Graduate Rotating a laser beam faster than light?

Graduate What is the relationship between energy and speed in a Schwarzschild geometry?

Graduate Understanding Time Dilation: Explaining the Twin Paradox in Special Relativity