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.
Threads
Graduate I am attempting a condition where Newton and Einstein agree
- duordi
- · Replies 10 ·
Graduate Constant Acceleration: Thought Experiment & Answers
- Gulliver
- · Replies 8 ·
Graduate Invariant and covariant in special relativity
- bernhard.rothenstein
- · Replies 9 ·
Graduate Is Faster-Than-Light Travel Truly Impossible?
- LurkingEyes
- · Replies 10 ·
Graduate Aging related to speed of the Earth
- jiufer
- · Replies 3 ·
Graduate Is Space-Time Curvature Zero Inside a Spherical Cavity at Earth's Center?
- lightarrow
- · Replies 30 ·
Graduate Why is c the Limit? Understanding the Speed of Light Explained
- prasannapakkiam
- · Replies 5 ·
Graduate Black holes and entropy: energy with respect to infinity
- cesiumfrog
- · Replies 1 ·
Graduate Gr-qc/921001 - the constraint algebra of general relativity
- shoehorn
- · Replies 3 ·
Graduate Do light and gravity take identical geodesics?
- duordi
- · Replies 23 ·
Undergrad Why c=1 in relativistic equations
- bernhard.rothenstein
- · Replies 8 ·
Graduate Lorentz group, Poincaré group and conformal group
- lalbatros
- · Replies 12 ·
High School Time dilation in plain english
- phyti
- · Replies 8 ·
Graduate Gravitational Effects on a 1 Mile Length of Rope
- wolram
- · Replies 7 ·
Graduate Mass of a system of two photons
- bernhard.rothenstein
- · Replies 52 ·
Graduate Light Speed Relativity: Discussions on Simultaneous Photons
- gonegahgah
- · Replies 18 ·
Undergrad Question about deflection of light test
- RoccoV
- · Replies 29 ·
Graduate Orbital Mechanics: NASA Launching Probes & GR/SR Considerations
- blumfeld0
- · Replies 8 ·
Graduate Is Time a Measure of Length in a Single Point?
- petm1
- · Replies 13 ·
Graduate Electron beams and an inertial frame problem
- Hamish
- · Replies 10 ·
Graduate Theory of Everything: Bridging Relativity & Quantum Mechanics
- apope
- · Replies 8 ·
Graduate I have devised away to travel Faster Than Light
- icr_03
- · Replies 1 ·
Graduate Proof of Mass Dilation: Experimental Evidence & Examples
- peyo
- · Replies 9 ·
Undergrad How Does a Black Hole Attract Light?
- Manu Vincent
- · Replies 10 ·
Graduate Physical Intuition for Length Contraction
- Phymath
- · Replies 8 ·
Graduate Schwarzchild solution with cosmological constant
- Terilien
- · Replies 3 ·
Undergrad Can space-time curvature be applied to artificial satellites.
- udaykumar
- · Replies 21 ·
Graduate What do they do in numerical GR ?
- smallphi
- · Replies 16 ·
Graduate Trying to wrap my pea sized brain around the universe.
- Frozenoak
- · Replies 4 ·
Graduate Energy-mom tensor does not determine curvature tensor uniquely ?
- smallphi
- · Replies 10 ·
Undergrad Questions about General Relativity (GR) - Andrew
- Areid45
- · Replies 4 ·
Graduate Solving Basic SR Confusion for Twin Paradox
- cscott
- · Replies 70 ·
Graduate Why is the speed of light constant in special relativity?
- SpazAttack
- · Replies 14 ·
Undergrad Questions about motion equations
- JustinTime
- · Replies 2 ·
Undergrad General Relativity for Dummies
- Alabran
- · Replies 42 ·
Graduate Why is the curvature around a star asymmetrical in the theory of relativity?
- udaykumar
- · Replies 9 ·
Graduate From the scalar of curvature (Newman-Penrose formalism) to the Ricci scalar
- cosmicstring1
- · Replies 8 ·
Graduate Fundamental identity of SR valid in GR?
- birulami
- · Replies 16 ·
Graduate Time dilation without acceleration
- Point Conception
- · Replies 5 ·
Graduate Complex four vector algebra in relativity
- MeJennifer
- · Replies 9 ·
Graduate Smolin's in depth perspective on Einstein, man and mind (NYRB)
- marcus
- · Replies 1 ·
Graduate A question about a relativity light clock
- Taremos
- · Replies 11 ·
Undergrad Time Dilation: An Explainer for Beginners
- say_physics04
- · Replies 10 ·
Graduate Does Einstein's General Relativity need to be adjusted for the Higgs field?
- bananan
- · Replies 7 ·
Undergrad How Can Photons Have Momentum If They Have No Mass?
- 3dsmax
- · Replies 4 ·
Undergrad Time Dilation Explained: Why Planes Lose Time
- morgan?
- · Replies 5 ·
Graduate How to survive in a black hole: Myth Debunked
- quantum123
- · Replies 45 ·
Graduate Understanding SR: The Relationship Between Speed, Time, and Space Explained
- Fletcher
- · Replies 10 ·
Graduate Debunking Crackpot Theories on Special and General Relativity | calphysics.org
- blumfeld0
- · Replies 7 ·
High School Is Time Travel Physically Possible According to Einstein's Theories?
- Dr.Calpol3
- · Replies 12 ·
Graduate Nothing can exceed the speed of light
- pgcurt
- · Replies 4 ·
Graduate Uncovering the Metric Sign in Einstein's Equations
- blumfeld0
- · Replies 1 ·
Graduate Effects of Accelerating Point Mass on Orbital Dynamics
- MeJennifer
- · Replies 8 ·
Graduate What is a Cauchy surface and its significance in spacetime?
- Ratzinger
- · Replies 2 ·
Graduate Is Time a Constant Journey or a Fixed Point in Space?
- JPC
- · Replies 10 ·
Graduate General Relativity: Comparing Newtonian and Einstein Circular Orbits
- charybdis
- · Replies 7 ·
Graduate Speed of light in the universe, experimental data
- lalbatros
- · Replies 19 ·
Graduate About interpretations and logic
- enridp
- · Replies 20 ·
Graduate Does the Sun Create Different Geodesics for Each Planet?
- Milind_shyani
- · Replies 18 ·
Graduate Light, Elevators, and Gravity: A Confusing Experiment or Just Me?
- gonegahgah
- · Replies 11 ·
Graduate Does a black hole have a stress-energy tensor?
- touqra
- · Replies 17 ·
Graduate How Does Newton's Second Law Adapt to Relativistic Speeds?
- hover
- · Replies 19 ·
Graduate Non-relativistic derivation of Schwarzschild's equation
- allison johnson
- · Replies 8 ·
Undergrad Does Light Exert a Force on Lasers?
- bassplayer142
- · Replies 6 ·
Undergrad Is the speed of light really constant?
- Goliatbagge
- · Replies 7 ·
Undergrad Time as a function of distance for constant a
- DaveC426913
- · Replies 18 ·
Graduate Calculating distance between two points in potential
- JimLad
- · Replies 3 ·
Graduate Particle production in curved spacetime
- smallphi
- · Replies 13 ·
Graduate Conceptual Aspect of Relativity: Electric & Magnetic Forces
- Ja4Coltrane
- · Replies 1 ·
Graduate A question about forces in different references of frame
- henry_arsenal
- · Replies 3 ·
Graduate Question on advance of perihelion.
- Ian
- · Replies 9 ·
Graduate Static vs Stationary Spacetime Metric: Examples & Explained
- blumfeld0
- · Replies 11 ·
Physics Articles - Abstracts for SR and GR Papers
- pmb_phy
- · Replies 12 ·
Graduate Parametric equations for geodesics
- andybham
- · Replies 4 ·
Undergrad Time Dilation: Stationary vs. Moving Atomic Clocks
- spaghed87
- · Replies 52 ·
Graduate Question about the weak field approximation
- Terilien
- · Replies 18 ·
Undergrad Distance Travelled by B After Circumnavigating A: 2\pi r
- MeJennifer
- · Replies 5 ·
Graduate Electric Current in Special Relativity
- jimmd
- · Replies 4 ·
Graduate SR forbides BHs and GR demands them
- Johnny R
- · Replies 1 ·
Graduate Point Masses and the Speed of Light: An Exploration of Relativity
- mr200backstrok
- · Replies 2 ·
Graduate Professionally researched relativistic orbits
- jgraber
- · Replies 3 ·
Graduate Hi, can't find the way to debunk this
- polystethylene
- · Replies 23 ·
Graduate Geodesics between two points ?
- smallphi
- · Replies 11 ·
Undergrad Relativity in Film: A Resource Guide
- tareqsalahedin
- · Replies 3 ·
Graduate How Does Snell's Law Change in Curved Spacetime?
- blumfeld0
- · Replies 1 ·
Graduate Question about the energy momentum tensor
- Terilien
- · Replies 8 ·
Graduate Connection of General relativity and geometric Refraction of light
- exponent137
- · Replies 1 ·
Graduate Is Jefimenko's Approach to Relativity Based on Retarded Potentials Valid?
- Marc Millis
- · Replies 1 ·
Graduate Vacuum Solutions: General Relativity Explained
- MeJennifer
- · Replies 4 ·
Graduate Looking out the window of a fast ship
- Taremos
- · Replies 24 ·
Undergrad Clock Ticking Speed: Center vs Surface
- Johnny R
- · Replies 11 ·
Graduate Unveiling the Mystery of Simultaneity
- Santural
- · Replies 31 ·
Graduate Liftetime of photons in matter
- oyvindo
- · Replies 1 ·
Graduate Frame fields vs. Coordinate bases
- masudr
- · Replies 4 ·
Graduate Does gravitational waves participate in gravitation interaction?
- magnetar
- · Replies 2 ·
Graduate How is 3-space curved without a fourth spatial dimension?
- Robert100
- · Replies 2 ·
Graduate Some simple minded aspects of gravity
- oldman
- · Replies 18 ·
Undergrad Relationship between E=mc^2 and gravity
- pgcurt
- · Replies 14 ·
Graduate What is it about speed that affects time?
- Poita
- · Replies 19 ·