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 Time dilation plus constancy of light implies space is dilated?
- Goldbeetle
- · Replies 4 ·
Graduate Scenario where time dilation seems to be paradoxal
- marcobrei
- · Replies 15 ·
Graduate Calculating the speed of the earth
- hmvince
- · Replies 13 ·
Graduate Is body to body gravity scale independent?
- dylankarr.com
- · Replies 2 ·
Graduate Hermitian Metric - Calculating Christoffel Symbols
- thehangedman
- · Replies 11 ·
Graduate Can a photon be trapped and studied without observation?
- jobsism
- · Replies 5 ·
Graduate Falling into a super massive blackhold
- PatPwnt
- · Replies 5 ·
Graduate What is Frame Dragging and How Does a Black Hole's Rotation Affect Space?
- tkav1980
- · Replies 2 ·
Graduate Space-time at the speed of light
- San K
- · Replies 2 ·
Graduate Does Force Transform Equally in All Force Laws Among Different Reference Frames?
- GRDixon
- · Replies 5 ·
Graduate Length Contraction: Measuring Circumference of Moving Circle
- unchained1978
- · Replies 2 ·
Graduate Lorentz Contraction Physical Reality
- curiousphoton
- · Replies 10 ·
Graduate How can Earth and Eris orbit the sun in different planes?
- Smazmbazm
- · Replies 1 ·
Graduate Symbolic manipulation program required
- krishna mohan
- · Replies 3 ·
Graduate What causes time dilation in gravitational fields?
- Gravitons
- · Replies 37 ·
Graduate What equations are affected by Lorentz Transformations
- dimension10
- · Replies 11 ·
Graduate Dimension of Fields in Physics: What is it?
- jfy4
- · Replies 2 ·
High School What is the difference between special and general theory ?
- sciboudy
- · Replies 23 ·
Graduate Finkelstein's unidirectional membrane paper
- bcrowell
- · Replies 44 ·
Graduate Is the Cosmological Constant Truly Constant?
- jfy4
- · Replies 5 ·
Undergrad PC cpu limitation ruining our movie promise
- hdace
- · Replies 5 ·
Graduate Are the directions of charge flow (=current?) absolute?
- kmarinas86
- · Replies 52 ·
Graduate If already known the Action and unkown the Metric, how to get geodesic equation?
- yicong2011
- · Replies 2 ·
Graduate De Sitter Relativity and its Relation to Special and General Relativity
- dswkdlk@googlemail.com
- · Replies 2 ·
Graduate Fluid element, conceptual questions
- Rasalhague
- · Replies 2 ·
Graduate Why Does Matter Cause Space to Warp?
- TCorp
- · Replies 32 ·
Graduate Killing vectors in KS coordinates
- pervect
- · Replies 2 ·
Graduate Schutz 4.5: Interpreting scalar and 1-form fields in the differential equation
- Rasalhague
- · Replies 20 ·
Undergrad Can mass be composed of light according to E=mc²?
- bodhi
- · Replies 13 ·
Graduate Why Is Gravity Viewed as Spacetime Distortion Rather Than a Force?
- ndung200790
- · Replies 9 ·
Graduate Questions about light speed, time, and dimensions.
- YoungDreamer
- · Replies 12 ·
Graduate How do you know if action is invariant under translation?
- vaibhavtewari
- · Replies 3 ·
Graduate Would gravitational time dilation prevent Singularity in a black hole?
- BenjaminShaw
- · Replies 2 ·
Graduate Effects of Gravity and velocity on Time
- Howard Huerta
- · Replies 1 ·
Graduate The Relativistic Hookean Spring: A Lorentz-Covariant Force
- atyy
- · Replies 4 ·
Graduate General Relativity math, Tangent vectors on manifolds
- Domisterwoozy
- · Replies 4 ·
Graduate Can a black hole have an event horizon that isn't proportional to its mass?
- Andru10
- · Replies 13 ·
Undergrad What is the maximum speed attainable by particles and objects in space?
- bodhi
- · Replies 3 ·
Graduate Does size increase or decrease as mass approaches c?
- Tokage
- · Replies 6 ·
Graduate Rope length paradox with two ships in relative motion
- hprog
- · Replies 13 ·
Graduate Can space-time tear or rip?
- Mike2
- · Replies 8 ·
Graduate Train paradox: why must observers agree when light flashes reach the observer?
- Vikrant94
- · Replies 18 ·
Graduate Understanding Permeability of Space
- Nano-Passion
- · Replies 5 ·
Graduate Books or research on how mass curves spacetime
- bohtauri
- · Replies 11 ·
Graduate Why doesn't the rope go off both hooks in relativity?
- hprog
- · Replies 5 ·
Graduate Mass distribution of a black hole?
- cragar
- · Replies 21 ·
Graduate What time does an observer see when watching a clock on a rotating circle?
- chubert
- · Replies 8 ·
Graduate Has Anyone Solved Einstein's Unified Field Theory?
- MJA
- · Replies 2 ·
Graduate Energy change of a photon when it bounces between two mirrors
- kmarinas86
- · Replies 5 ·
Graduate Why (-,+,+,+) and not (+,+,+,+)?
- kmarinas86
- · Replies 38 ·
Graduate Lorentz ether frame, Relativistic Mass, and Inertia
- kmarinas86
- · Replies 5 ·
Graduate Length Contraction of the Universe Surpassing Length of Moving Object?
- Ricky116
- · Replies 7 ·
Graduate Concise advanced general relativity review for refreshing old knowledge
- arroy_0205
- · Replies 1 ·
Graduate Why Does the Divergence of aRab + bRgab Vanish at b = -1/2a?
- solveforX
- · Replies 1 ·
Graduate Is the Theory of Magnetism and Relativity Flawed?
- nassboy
- · Replies 10 ·
Graduate Special Relativity and direction of travel
- hrob64
- · Replies 6 ·
Graduate Complex metric solutions in GR
- haushofer
- · Replies 6 ·
Graduate Backround independence and the definition of distance
- jfy4
- · Replies 11 ·
Graduate SR pedagogy: energy-momentum and area in the x-t plane
- bcrowell
- · Replies 3 ·
Graduate The Schwarzschild (Exterior) Solution
- evanallmighty
- · Replies 44 ·
Graduate Do point charges produce magnetic fields without length contraction?
- lovetruth
- · Replies 10 ·
Graduate Electric field of charged black hole.
- Gavroy
- · Replies 16 ·
Graduate Lorentz Transformations in general
- Leonhard
- · Replies 2 ·
Graduate Do photons experience time dilation at light speed?
- Anymodal
- · Replies 20 ·
Graduate Equivalence Principle precision
- jumpjack
- · Replies 2 ·
Undergrad Can the Energy in a Human Power the Entire Planet for a Week?
- Mudo
- · Replies 20 ·
Graduate Two Spheres, Two Humans: Who is Older?
- aritrasasmal
- · Replies 5 ·
In my book i think that on any planet if we can stay for 1 year then
- N9924734063
- · Replies 6 ·
Graduate Can different observers disagree on whether someone is alive or dead?
- alphali
- · Replies 4 ·
Graduate Lorent's time transformation Feynman 15-6 simultaneity
- nitai108
- · Replies 2 ·
Graduate Calculational details of Hawking radiation
- mritunjay
- · Replies 3 ·
Graduate Energy-momentum tensor and conservation of both energy and momentum
- Rory9
- · Replies 10 ·
Graduate What effect does the expanding universe have on spacetime?
- rede96
- · Replies 16 ·
Graduate Light Bending: Comparison of Theories
- worlov
- · Replies 4 ·
Graduate Is the speed of light a paradox?
- gregorygregg1
- · Replies 13 ·
Graduate Inertial frame dependent on mass?
- mixinman7
- · Replies 29 ·
Graduate Can Einstein's field equations be rewritten using quaternions or octonions?
- Alain De Vos
- · Replies 12 ·
Graduate A virtual pole vaulter in the relativistic barn
- danR
- · Replies 4 ·
Graduate Possible non-existence of black holes and consequences
- stephenwlin
- · Replies 6 ·
Graduate What is Expanding Horizon of a black hole?
- yicong2011
- · Replies 6 ·
Graduate Can Traveling Faster Than Light Lead to Negative Time Travel?
- shawn1990
- · Replies 2 ·
Graduate Gravitons vs Attraction Due to Curvature of Spacetime
- Islam Hassan
- · Replies 5 ·
Undergrad Solid angle , never seen derivative
- zn52
- · Replies 6 ·
High School Gravitational Field: Particle Generated Force
- N9924734063
- · Replies 2 ·
Graduate Time-dependent Lagrangians for forced systems and the Euler-Lagrange equations
- StuckOnZero
- · Replies 1 ·
Graduate Gravitational time dilation on cylinderical objects
- Pretty Pony
- · Replies 2 ·
Graduate Traversable Wormholes: Overview and Questions
- CJames
- · Replies 2 ·
Graduate Penrose-Terrell rotation and the 3 great special relativistic myths
- danR
- · Replies 17 ·
Graduate Godel's metric in cylindrical coordinates
- Ramon03
- · Replies 5 ·
Graduate Special relativity/speed of light
- geordief
- · Replies 14 ·
Graduate Do tidal forces mean the Equivalence Principle is BS?
- ItsDaveDude
- · Replies 37 ·
Graduate Curvature and Stress-Energy: Solving the Einstein Equation with Tensor Densities
- Phrak
- · Replies 3 ·
Graduate Schwarzschild radius and curvature
- TrickyDicky
- · Replies 5 ·
Graduate Is the Speed of Light Truly the Ultimate Limit in the Universe?
- Arens
- · Replies 20 ·
Graduate There is no Transverse Gravitatonal Redshift
- codelieb
- · Replies 12 ·
Graduate Electric field in curved spacetime
- Gavroy
- · Replies 11 ·
Graduate Not sure about this coordinate definition
- TrickyDicky
- · Replies 4 ·
Graduate Gravitational Radiation: Falling Objects into Black Holes
- keithdow
- · Replies 2 ·
Graduate What Happens to Gravitational Fields When Mass Converts to Energy?
- Katamari
- · Replies 4 ·
Graduate Does GR contradict Mach's principle?
- Ken G
- · Replies 32 ·