Special and General Relativity Forum

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 Length contraction during deceleration toward a destination

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 Why does acceleration matter in the twin paradox?

Graduate Absolute position in spacetime?

Graduate Gravity bends spacetime, does the amount of lightray-bending correlate?

Graduate Why aren't different observations of the same event simply optical illusions?

Graduate How to reduce Einstein's equation for perfect fluids

Graduate Length contraction of charged spheres connected by spring

Graduate Paddlewheels in a gravity well and angular momentum

Graduate Measuring distances between a moving object and a stationary object using light

Graduate How does time dilation keep the speed of light constant?

Undergrad Why do clocks tick slower near massive objects like earth ?

Graduate Relativistic Mass and Volume Change in a Rapidly Expanding Sphere

Graduate Are approaching speed and relative speed different for photons?

Graduate Does general relativity account for angular momentum and rotational stress?

Undergrad What would happen if a poked someone with a million-mile-long stick?

Undergrad Does inertial mass change as an object falls in a gravitational field?

Graduate Does the spacecraft clock run faster in this time dilation example?

Graduate How does the time dilation is being measured using atomic/quartz clocks?

Undergrad Do inertial reference frames exist and is special relativity self-consistent?

Graduate Is Time Compression really possible? Or is it just nonsense?

Graduate Special Relativity defined without reference to light

Graduate Does the Pole-Barn Paradox Challenge Einstein's Theory of Relativity?

Undergrad What is the reputable function for time dilation in special relativity?

Graduate Relative motion and accumulated time dilation

Graduate Why does the Einstein field equation have both Ricci tensor and scalar curvature terms?

Graduate Bodies of mass near the Schwarzschild Radius

Graduate Does the speed of moving object curve spacetime?

Graduate Is reverse time dilation posssible?

Graduate How Can the Relative Speed of Photons Exceed the Cosmic Speed Limit?

Graduate Paradoxes in relativity, and an absolute reality

High School How Does Space-Time Curvature Cause Objects to Return to Earth After Jumping?

Undergrad Could a Person See Object Moving at Light Speed?

Graduate What exactly is Time Dilation?

Graduate Linearised Gravitational Waves Derivation

Graduate Changing magnetic field causing current.

Graduate Time and length in spacecraft travel to Alpha Centauri

Graduate Does light adjust its speed based on surrounding velocities?

Undergrad List of things nearing the speed of light

Graduate What is the constant C for Hodge dual in tensor notation?

Graduate Einstein's Concept of Individual time

Graduate Hoax? The works of Niels Bjern

Graduate Is the inertial mass of light relative?

Undergrad Viewing an object with the naked high at near light speeds

Graduate Can a Neutron Star Become a Black Hole Due to Relativistic Effects?

Undergrad Would a moving scale read more than a scale at rest?

Graduate Can Interferometers Measure Gravitational Waves Despite Being Made of Matter?

Graduate Lemaitre Coordinate from the E-F coordinate

Graduate The Spaceship and The Wrench (1/2 + 1/2 = 4/5)

Undergrad What makes a frame of reference inertial in special relativity?

Graduate Does GR's spacetime curvature resolve the Michelson-Morley experiment's aether problem?

High School How important was Einstein, really?

Graduate Effective mass of gravitational waves

Graduate Is it possible to get rid of the B field entirely?

Graduate Is It Possible to Define a Clock Rate as c in Relativistic Frames?

Graduate Found a way around relativity of simultaneity

High School Spinning faster the the speed of light

Graduate Lorentz force law incompatibility with relativity and momentum conservation

Graduate Momentum of light in gravity field and other mediums

Graduate What happens to matter that was inside an event horizon before the collapse?

Undergrad Rocket Velocity: γ = 4, v = √15/4c

Undergrad Is particle speed affected by source?

Graduate Visit With Paul Davies on Block Time

Undergrad Relative speed between two people in an accelerating car approaching light speed

Graduate How Weight of Flywheel Changes in a Gravity Well

Graduate Events for frame changing clocks

Graduate Speed of the light and time dilation

Graduate Units of spatial coordinates in the proper time interval formula

Undergrad Want to learn about special relativity?

Graduate Basis vectors and abstract index notation

Graduate Can Exceeding the Speed of Light Really Mean Time Travel?

Graduate Why doesn't time dilation account for light travel time between separated observers?

Graduate At rest in Einsteinian relativity

Graduate Travelling to the future (paradox)

Graduate Two-body problem in general relativity

Undergrad Implications of the Mass-energy equivalence

Graduate Is there a more beginner-friendly book to learn General Relativity?

Graduate Can nested trains add velocities to exceed the speed of light?

Graduate Gauge Transformation: Coulomb to Lorentz

Graduate Generalization of Netwonian gravity - Jefimenko's theory of gravitation

Graduate Does magnetic force obey the principle of relativity?

Graduate How inertial frame of reference differs from non-inertial frame?

Undergrad Do the laws of Newton and Einstein work without accounting for gravity and acceleration?

Graduate Calculating speed of spacetime

Graduate Gravitational redshift vs Doppler effect in different potential wells

• Poll

Graduate In virtue of what are energy and momentum additive?

Graduate Ricci tensor for electromagnetic field

Graduate The terms absolute and relative

Graduate How to caculate the inverse metric tensor

Graduate Limit to length of expanding spring?

Graduate Conservation of Energy in Friedman Equation

Graduate Does a 2 Light-Year Long Steel Bar Move Instantly When Pushed?