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 Reissner-Nordström metric for magnetic fields
- Gavroy
- · Replies 4 ·
Graduate Solving Twin Paradox: Earth's Motion in Astronaut's Frame
- kknull
- · Replies 22 ·
Undergrad Small problem with getting to E=mc^2
- Wotso
- · Replies 11 ·
Graduate Covariant derivative of an anti-symmetric tensor
- Irid
- · Replies 10 ·
Graduate Looking to understand time dilation
- hprog
- · Replies 373 ·
Graduate What happens if an Alcubierre warp drive fails?
- dividebyxero
- · Replies 4 ·
Graduate Equivalence Principle: Questioning Inertia & Gravity
- Matterwave
- · Replies 10 ·
Graduate Speed Limit of causal influence
- Soumya_M
- · Replies 12 ·
Graduate Why Are Electric Field Lines Straight Around Relativistic Electrons?
- shoestring
- · Replies 7 ·
Undergrad From what frame of reference does the Earth orbit the sun?
- mitcho
- · Replies 8 ·
Graduate Does the Relativistic Speed of Soap Bubbles Affect Their Shape?
- Mueiz
- · Replies 6 ·
Graduate Timelike and lightlike/null vectors
- purakanui
- · Replies 2 ·
Graduate Confusion wiht Curvature Tensor
- facenian
- · Replies 21 ·
High School Faster than the speed of light
- cobrastrike
- · Replies 105 ·
Graduate What is the formula for gravitational redshift and its time derivative?
- birulami
- · Replies 2 ·
Graduate How does light bend under gravitational field(gravitational force), why?
- shayaan_musta
- · Replies 2 ·
Graduate Tachyon Properties: Time, Length & Special Relativity
- JDude13
- · Replies 2 ·
Graduate Einstein's Field Equations and Poisson's Equation
- Mueiz
- · Replies 70 ·
Graduate Relativity of simultaneity and cosmology
- TrickyDicky
- · Replies 2 ·
Graduate Calculating Warp Speeds and Travel Times Using Alcubierre Warp Drive
- dividebyxero
- · Replies 5 ·
Graduate Resolving the Clock Paradox: The Hafele and Keating Experiment
- tkm2002
- · Replies 6 ·
Graduate Killing Vector Solutions for General Relativity Metric | Self-Study Tips
- purakanui
- · Replies 7 ·
Graduate Comparing Forces in Different Reference Frames: Impact on Time and Magnitude
- Yayness
- · Replies 5 ·
Graduate Mass addition due to gravitational acceleration
- Anthony24
- · Replies 4 ·
Graduate Interpreting Gullstrand-Painlevé Coordinates
- mysearch
- · Replies 19 ·
Graduate Solving Light Clock Question: Calculations for a Relativistic Light Clock
- liometopum
- · Replies 2 ·
Graduate Could gravity be described as distance compression?
- kwerk
- · Replies 7 ·
Undergrad Mass Motion & Time: Acceleration & Momentum Impact on Measurable Time
- Christov84
- · Replies 2 ·
Undergrad Scalar Curvature, R, for Dummies
- Farina
- · Replies 6 ·
Undergrad A noob asking about relativistic kinetic energy.
- Katamari
- · Replies 1 ·
Graduate Time Dilation or Mass Dilation
- Suzina
- · Replies 4 ·
Graduate I can't understand time dilation in absence of absolute motion.
- Soumya_M
- · Replies 7 ·
Graduate How Does the Principle of Equivalence Lead to Gravity Curving Space?
- Goldbeetle
- · Replies 140 ·
Graduate Manipulating Space-Time with Lasers
- jaiii
- · Replies 7 ·
Graduate Relativity of Simultaneity and wave/particle duality.
- josephwouk
- · Replies 8 ·
Graduate General relativity matter warps space
- varuncsed1
- · Replies 10 ·
Graduate Is spacetime a matter?how can this matter be detected?
- BigBang1234
- · Replies 6 ·
Graduate Why is Congruency Important in Special Relativity?
- striphe
- · Replies 18 ·
Graduate Does empty space move? What are the laws that govern its motion?
- Soumya_M
- · Replies 20 ·
Graduate Can Warp Drive Exceed the Speed of Light?
- jaiii
- · Replies 8 ·
Graduate On the interpretation of a spacetime diagram
- GregAshmore
- · Replies 71 ·
Graduate Maxwell's equations in general relativity
- Gavroy
- · Replies 1 ·
Graduate Length contraction (no calculations)
- mousemouse123
- · Replies 6 ·
Graduate Does a photon have a frame of reference?
- Endervhar
- · Replies 17 ·
Graduate Circular Orbits in SR: Force, mv^2/r, L Conservation
- upurg
- · Replies 10 ·
Graduate Explanation of tidal wave formation in sea due toe gravitaion force of moon
- varuncsed1
- · Replies 4 ·
Graduate Explore the Kaluza-Klein Model: Advantages & Drawbacks
- paweld
- · Replies 3 ·
Graduate Gravity - an accelerating frame paradox
- ZirkMan
- · Replies 70 ·
Graduate Time Dilation Paradox: Interstellar Race
- CakeOrDeath?
- · Replies 14 ·
Undergrad Purpose of Michelson-Morley Experiment?
- abrowaqas
- · Replies 5 ·
Graduate Why do singularities mean that GR breaks down?
- josephwouk
- · Replies 4 ·
Undergrad Speed of Light - Highest Possible Speed?
- LDelta
- · Replies 7 ·
Graduate Does a proton age differently when accelerated at high speeds?
- -=Red=-
- · Replies 3 ·
Graduate Understanding Special Relativity Through Polar Coordinates
- arestes
- · Replies 4 ·
Graduate Gravitomagnetism & Gravitational Waves
- Marin
- · Replies 3 ·
Graduate Travel in space to Alpha Centuri
- JR Wakefield
- · Replies 17 ·
Graduate Does a Spherical Hollow Shell Represent a New Type of Gravitational Horizon?
- Naty1
- · Replies 58 ·
Graduate Understanding SR and Electric Fields in the Principle of Relativity
- TrickyDicky
- · Replies 20 ·
Graduate Contradiction in relative simultaneity
- lowerlowerhk
- · Replies 3 ·
Graduate How do photons split into electrons and positrons?
- DuckAmuck
- · Replies 4 ·
Graduate Why is (ct)^2 negative in 4-dimensional space-time?
- nhmllr
- · Replies 4 ·
Graduate Does gravity affect gravity the way gravity affects time?
- vebrown
- · Replies 12 ·
Graduate Strange character of space-time
- Mueiz
- · Replies 22 ·
Undergrad Understanding Time Elasticity: How to Visualize the Concept
- gunblaze
- · Replies 5 ·
Graduate Gravity Wave - Wavelength / Freq
- lowing99
- · Replies 8 ·
Graduate Relativity and the mass of photons.
- JDude13
- · Replies 8 ·
Graduate Which Principle of Relativity is the Most Profound in Einstein's Special Theory?
- ajclarke
- · Replies 23 ·
Graduate Does Special Relativity Offer a Continuity Equation for Energy Conservation?
- Phrak
- · Replies 2 ·
Graduate What are physics constant in Kerr metric?
- zerop
- · Replies 2 ·
Graduate Meaning of the word topological
- jinbaw
- · Replies 2 ·
Graduate Another gravity wave question
- jnorman
- · Replies 3 ·
Graduate How Does Teleportation Affect the Twin Paradox and Time Dilation?
- dubiousraves
- · Replies 20 ·
Graduate Gamma as a Jacobian of Lorentz transformations
- wil3
- · Replies 2 ·
Graduate Understanding Black Holes: The Observer's View of Falling Objects
- Jorjy
- · Replies 24 ·
Graduate Gravity's Effects on Light: Mass & Black Holes
- neh4pres
- · Replies 46 ·
Graduate Intergalactic space travel and hydrogen blasting
- teve
- · Replies 8 ·
Graduate What symmetries define FRW spacetime and their impact on expanding universes?
- TrickyDicky
- · Replies 6 ·
High School Does Size Influence Our Perception of Time?
- hellboundkidd
- · Replies 17 ·
Graduate Problem with light simultaneity
- senorhosh
- · Replies 7 ·
Graduate Spacetime inside Quantum Vacuum or vice versa
- Alfrez
- · Replies 2 ·
Graduate Semi-colon or Nabla Notation: Which is Correct for Calculating Nabla?
- pellman
- · Replies 3 ·
Graduate Space like time like light like separations?
- Baggio
- · Replies 6 ·
Undergrad How does light know which path to take ?
- Tim Edilation
- · Replies 23 ·
Graduate Vierbeins and spin connections as gauge fields of gravity
- jinbaw
- · Replies 10 ·
Graduate Why does time dilation apply for objects moving with a velocity less than c?
- merry
- · Replies 10 ·
Graduate Does gravity slow time's passage?
- poeteye
- · Replies 10 ·
Graduate Why do some solutions in general relativity have no mass term?
- jinbaw
- · Replies 4 ·
Graduate Photon 4-Momentum in SR: Why Must it Transform?
- go quantum!
- · Replies 2 ·
Undergrad Lorentz Transformations, help me grasp them?
- aguycalledwil
- · Replies 11 ·
Graduate An Easy Metric for Einstein Field Equations
- edgepflow
- · Replies 4 ·
Undergrad Time Dilation: Understanding the Formula
- lewis1440
- · Replies 3 ·
Graduate Commuting the Lorentz transformation with derivative
- elemental09
- · Replies 2 ·
Graduate Living Beyond Possible: Could I Age Less Than Earth?
- lewis1440
- · Replies 4 ·
Graduate How to send a faster-than-light signal (spot Paradox)?
- Mueiz
- · Replies 59 ·
Graduate Are All Black Hole Singularities Actually One and the Same?
- beeswax
- · Replies 13 ·
High School What is SPEED OF LIGHT With Respect to an Observer?
- nipiano93
- · Replies 21 ·
Graduate Phase Invariance: Is It an Invariant?
- bernhard.rothenstein
- · Replies 18 ·
Graduate What is the EM Lagrangian in curved spacetime?
- pellman
- · Replies 4 ·
Graduate The Center of a Black Hole - What's Going On?
- cragar
- · Replies 12 ·
Undergrad Black Hole Mass, Rotation & Matter: Explained
- Randi88
- · Replies 3 ·