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 Christoffel Symbols of Vectors and One-Forms in say Polar Coordinates
- Skhaaan
- · Replies 4 ·
Undergrad The Full Equation for Mass-energy Equivalence
- Jason Kim
- · Replies 3 ·
Graduate Can tensors be defined without using coordinates in a physics-friendly way?
- dEdt
- · Replies 15 ·
Graduate Feynman: Relativity of Magnetic and Electric Fields
- Hetware
- · Replies 3 ·
Graduate In a nutshell: getting some perspective on invariance
- DrClapeyron
- · Replies 1 ·
Graduate Is there a connection between energy derivation and Newton's Law of Motion?
- PhiPhenomenon
- · Replies 5 ·
Graduate How is the Relativistic Larmor Formula Derived Using Dot Products?
- nos
- · Replies 4 ·
Graduate Linear equations and homogeneity of space and time
- khil_phys
- · Replies 6 ·
Graduate Simplest derivation of Lorentz Transformation
- absurdist89
- · Replies 25 ·
Graduate General Relativity: Spatial Inversion Symmetry
- Slereah
- · Replies 2 ·
Graduate Preservation of the infinitesimal element of length
- member 11137
- · Replies 14 ·
Graduate How does GR impact acceleration and reaching the speed of light?
- DiracPool
- · Replies 4 ·
Graduate Why positive curvature implies finite universe?
- Dmitry67
- · Replies 11 ·
Graduate Ricci scalar and curveture of FRW metric
- sadegh4137
- · Replies 3 ·
Graduate Bohr model & relativity on large atoms?
- Ruptor
- · Replies 4 ·
Graduate True Speed of Light: Is It Limited By Time/Space?
- mike777
- · Replies 25 ·
High School Significance of Gravitational force
- paras02
- · Replies 13 ·
Graduate Galilean principle of relativity and Gödel's incompleteness theorems
- whosapopstar?
- · Replies 10 ·
Graduate Alcubierre warp drive as time machine.
- sshai45
- · Replies 1 ·
Graduate Electron falls into black hole. what happens.
- artemon
- · Replies 3 ·
Graduate Does torsion make parallel transport direction dependent?
- pervect
- · Replies 8 ·
Graduate Magnetic field seen by electron in thomas precession
- rays
- · Replies 4 ·
Graduate State of the art re the geodesic hypothesis
- bcrowell
- · Replies 6 ·
Graduate Horizontal lift, or parallel transport
- qinglong.1397
- · Replies 5 ·
Graduate Experimental verification of Ehrenfest Paradox
- d3mm
- · Replies 3 ·
Graduate Confused about Special Theory of Relativity?
- guitarphysics
- · Replies 16 ·
Graduate Intrinsic property of spacetime ?
- Worldline
- · Replies 2 ·
Graduate What relativistic effects to GPS receivers compensate for?
- jmvizanko
- · Replies 10 ·
Graduate What does the Lorentz factor actually mean?
- arindamsinha
- · Replies 35 ·
Graduate Relativistic Momentum: Deriving Why p=mγv
- 71GA
- · Replies 4 ·
Graduate Do gravitational fields depend on relativistic mass, or just rest mass?
- Sobeita
- · Replies 5 ·
Graduate Israel's Formalism: The Metric Junction Method
- thecoop
- · Replies 3 ·
Graduate Same Temporal Order in all Inertial Frames
- topspin1617
- · Replies 6 ·
Graduate How Does Spacetime Curvature Affect Tangential Light Speed Measurements?
- Austin0
- · Replies 3 ·
Graduate Are flowing space models compatible with GR?
- harrylin
- · Replies 123 ·
Graduate The meaning of the addition of the spin generator to the Lorentz generators
- liorde
- · Replies 15 ·
Graduate Why is length contracted, and not ELONGATED?
- dreamLord
- · Replies 45 ·
Undergrad Is Energy Conserved When an Object Approaches Light Speed?
- ChrisPhy
- · Replies 3 ·
Graduate How to Find Killing Vectors for a Given Metric
- Airsteve0
- · Replies 1 ·
Graduate Does time flow backwards of forwards?
- NWH
- · Replies 40 ·
Graduate Minkowski Metric: Timelike vs Spacelike
- jaljon
- · Replies 8 ·
Graduate How Does Mass and Speed Affect Energy in a Universe of Limits?
- ChrisPhy
- · Replies 4 ·
Graduate Galilean relativity and acceleration
- AndyVo
- · Replies 12 ·
Graduate Speed of Light Paradox: What Did I Miss?
- bgq
- · Replies 35 ·
Graduate Is There Really a Strictly Conserved Stress-Energy Tensor in GR?
- Q-reeus
- · Replies 89 ·
Graduate Is the speed of light really just a conversion constant, like 2.54 cm/inch?
- pervect
- · Replies 26 ·
Graduate Gravitational Wave: Mechanical Waves & Space-Time Continuum
- sky123
- · Replies 2 ·
Undergrad Understanding E=mc² and Other Equations of Relativity
- Antuanne
- · Replies 19 ·
Graduate How To COUNT Information in Black Hole?
- LarryS
- · Replies 14 ·
Graduate Microwave oven at relativistic speed
- BOYLANATOR
- · Replies 4 ·
Graduate Infinite mass at speed of light?
- Antuanne
- · Replies 3 ·
Graduate Uncovering What Gives Gravity Its Power to Interact w/ Mass
- Odain
- · Replies 15 ·
Graduate What can be derived from a vanishing Weyl tensor
- Airsteve0
- · Replies 19 ·
Graduate Questions about the Schwarzschild metric
- nick41
- · Replies 5 ·
Graduate E=mc^2, wikipedia says mass can't be turned into energy?
- Albertgauss
- · Replies 3 ·
Graduate Weak field Newtonian limit
- lailola
- · Replies 4 ·
Graduate Spaces of Constant Curvature and the Ricci Tensor
- Airsteve0
- · Replies 6 ·
Graduate What happen to rocket travelling @ 0.8c
- Manula
- · Replies 2 ·
Graduate Vaidya metric and Wiki article
- Mentz114
- · Replies 2 ·
Undergrad How was the Lorentz factor derived?
- Psyguy22
- · Replies 2 ·
Graduate Length contraction and Minkowski diagram
- 71GA
- · Replies 12 ·
Undergrad The argument of the change of units
- bloby
- · Replies 26 ·
Graduate Violation of simultaneity - real of frame-dependent perception?
- arindamsinha
- · Replies 51 ·
Graduate What do the eigennumbers of the Lorentz transformation represent?
- SwordSmith
- · Replies 7 ·
Graduate Problem involving fundamental principle
- Alcubierre
- · Replies 43 ·
Graduate Double contraction of curvature tensor -> Ricci scalar times metric
- gabeeisenstei
- · Replies 2 ·
Graduate Approaching the speed of light
- ShayanJ
- · Replies 7 ·
Graduate Time Dilation vs Percieved age of Universe
- Mordred
- · Replies 16 ·
Graduate What Differentiates Massive Objects from Photons in Terms of Speed of Light?
- conner.ubert
- · Replies 2 ·
Graduate List of common misconceptions about relativity?
- bcrowell
- · Replies 31 ·
Graduate Why does the universe move towards an observer at rest?
- Jeronimus
- · Replies 10 ·
Undergrad Why is the Speed of Light 186282mps?
- thetexan
- · Replies 12 ·
Graduate What Are the Key Physical Implications of the Einstein Tensor?
- shounakbhatta
- · Replies 23 ·
Graduate Passive vs active transformations and variations
- haushofer
- · Replies 12 ·
Graduate Implications of Movement Greater than Speed of Light?
- danielu13
- · Replies 6 ·
Graduate Equivalence principle - are all accelerations actually equivalent to gravity?
- arindamsinha
- · Replies 14 ·
Graduate Understanding the Effects of Relative Curvature and Mass on Space and Observers
- friend
- · Replies 3 ·
Graduate Inertial and non inertial frames
- bgq
- · Replies 227 ·
Graduate Geometry of the Riemann, Ricci, and Weyl Tensors
- Airsteve0
- · Replies 1 ·
Graduate Does Time Appear Differently for Observers in Relative Motion?
- Saxby
- · Replies 10 ·
Graduate Conditions for curvature singularity
- FunkyDwarf
- · Replies 4 ·
Graduate Is There a New Theory Extending Special Relativity Beyond the Speed of Light?
- ShayanJ
- · Replies 2 ·
Graduate Math for GR: Branches & Building Blocks
- shounakbhatta
- · Replies 9 ·
Graduate James Bradley's Observation of Aberration: Precedent to Michelson-Morley?
- bcrowell
- · Replies 5 ·
Graduate In 4-momentum, why is E the 4th component?
- jaguar7
- · Replies 7 ·
Graduate What is the period of a photon in a circular orbit around a black hole?
- lailola
- · Replies 26 ·
Graduate Curvatures in space-time: actual reality or mathematical concept?
- tris_d
- · Replies 69 ·
Graduate Stress energy tensor's Component
- shounakbhatta
- · Replies 2 ·
Graduate What does the mass represent in the Schwarzschild metric for vacuum solutions?
- physicslover8
- · Replies 4 ·
Graduate Does the Twin Paradox Involve More Than Just Velocity?
- rreaume
- · Replies 8 ·
Graduate Help understand FTL causality implication
- kamenjar
- · Replies 27 ·
Graduate Orbital decay of PSR B1913+16 and the use of averaged dE/dt vs. instantaneous dE/dt
- Alexrey
- · Replies 7 ·
Graduate Is it true that in general relativity length does not exist?
- 7561
- · Replies 18 ·
Graduate Re-parametrization of Geodesics: Can You Confirm?
- bloby
- · Replies 2 ·
Graduate [SR] - Photonic Reference Frame
- RagingCain
- · Replies 8 ·
Graduate Transformation of an acceleration vector under a basis change
- Mentz114
- · Replies 47 ·
Graduate Einstein's Train Example: Speed of Light and Simultaneity
- ahmeeeeeeeeee
- · Replies 3 ·
Graduate E=mc2 is more complicated that I originally thought
- kjamha
- · Replies 27 ·
Graduate Lorentz Transformation Rapidity
- parsikoo
- · Replies 5 ·
Undergrad Learn Special & General Relativity Online Free
- bgq
- · Replies 8 ·