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 A series of questions regarding Gravity:
- VeryConfusedP
- · Replies 17 ·
Graduate Is light a carrier to bring all the way of motion image of dead star?
- mark.alen
- · Replies 8 ·
Undergrad What is Einsteins Paradigm Shift?
- JM
- · Replies 21 ·
Graduate Does Gravity Affect the Passage of Time on Different Planets?
- IkeB777
- · Replies 11 ·
Graduate Inverse of Operator: Is it True?
- Halphy
- · Replies 1 ·
Graduate Solving field equations and the nonphysical nature of the metric. (GR)
- center o bass
- · Replies 13 ·
Graduate Where does the energy for gravity come from?
- adjacent
- · Replies 1 ·
Graduate Do Centrifugal Forces Affect Clock Time Dilation?
- sigurdW
- · Replies 5 ·
Graduate What is energy in reality, is it PHOTON?
- suchal
- · Replies 22 ·
High School Is relative motion different from acceleration?
- VeryConfusedP
- · Replies 6 ·
High School Is time defined as change in space correct in relativity?
- aleemudasir
- · Replies 33 ·
Graduate Gravitational Waves: What Would Happen to Matter?
- jackyruth
- · Replies 1 ·
Undergrad Speed of Light: Constant or Not?
- adjacent
- · Replies 2 ·
Graduate How would torsion affect the particle equation of motion?
- pellman
- · Replies 8 ·
Graduate Different time accumulated on clocks
- Matis
- · Replies 8 ·
Graduate Why use inertial equations to analyze accelerated clocks
- JM
- · Replies 26 ·
Graduate By definition the space time fabric must have mass.
- AmpedForay
- · Replies 2 ·
Undergrad Does SR and GR agree on Newton's Third Law of Motion ?
- SecretOfnumber
- · Replies 11 ·
High School What is the correct publishing date for General Relativity?
- deadscientist
- · Replies 5 ·
Graduate Do electrons become tau leptons at relativistic speeds?
- michb
- · Replies 10 ·
Undergrad Speed of light and dark matter
- mfarineau
- · Replies 70 ·
Graduate How do you define "small" perturbations in general relativity?
- rawsilk
- · Replies 3 ·
Graduate Explicit Proof of the Consistency of the Transverse-Traceless Gauge?
- NanakiXIII
- · Replies 1 ·
Graduate Some general formulae for circular orbits in symmetric spacetimes
- pervect
- · Replies 11 ·
Graduate Length Contraction and Time Dilation in Special Relativity
- Per Oni
- · Replies 14 ·
Graduate Cosmic censorship conjecture - status?
- martinbn
- · Replies 4 ·
Graduate About man falling into grate paradox
- Ookke
- · Replies 34 ·
Graduate Magnetic field of an electron and general relativity
- potatocar
- · Replies 2 ·
Graduate Gravitational energy between two point masses infinite? Surely not
- bcrelling
- · Replies 9 ·
Graduate Tetrad Formalism: Finding e^{a \mu}?
- ngkamsengpeter
- · Replies 7 ·
Graduate Why are Earth-bound reference frames non-inertial?
- quasar987
- · Replies 11 ·
Graduate Tangent space in manifolds, how do we exactly define?
- LayMuon
- · Replies 27 ·
Graduate Why does gravitational time dilation resemble relativistic time dilation?
- bcrelling
- · Replies 2 ·
Graduate Could Time Dilation be Caused by Increased Clock Energy?
- D.Hayward
- · Replies 3 ·
Graduate Schwarzschild/post-Newtonian circular orbital velocity
- Agerhell
- · Replies 24 ·
Graduate Bulging Black Hole caused by approaching object?
- philipp2020
- · Replies 7 ·
Graduate Is a Vector Space Always a Manifold in Special Relativity?
- atyy
- · Replies 15 ·
Graduate Determinant of the electromagnetic matrix
- zn5252
- · Replies 2 ·
Graduate Why does a moving light source give t' = (1 – v/c).t instead of Lorentz time dilation?
- digi99
- · Replies 16 ·
Graduate Unifying proper acceleration and gravity?
- SpiderET
- · Replies 27 ·
Graduate Do we have two sets of co-ordinate systems when space-time is bent
- San K
- · Replies 6 ·
Graduate Dynamic solutions in time-independent spacetimes
- TrickyDicky
- · Replies 8 ·
Graduate Does an event horizon ever exist?
- photonkid
- · Replies 140 ·
Graduate Can extremely relativistic motion convert all photons into pair-produced particles?
- Albertgauss
- · Replies 1 ·
Graduate Confusion about gravity and the fundamental forces
- acesuv
- · Replies 2 ·
Graduate Determining the charge parameter in Reissner-Nordstrom metric
- WannabeNewton
- · Replies 5 ·
Graduate Review article on astrophysical collapse to a black hole?
- bcrowell
- · Replies 8 ·
Graduate Can SR be mathematically proven to be self-consistent?
- JohnWisp
- · Replies 9 ·
Graduate Lorentz transformation, mistake but right formula (for light) ?
- digi99
- · Replies 2 ·
Graduate Speed of Light relation with time dilation
- wildfalcon
- · Replies 10 ·
Graduate Why drop spatial derivatives in the Newtonian limit of geodesics
- NanakiXIII
- · Replies 19 ·
Graduate Can we do other than Lorentz (or Poincare) Transformation in SR?
- altsci2
- · Replies 12 ·
Graduate Gravitational non linearity: the glue of Black Holes
- Naty1
- · Replies 1 ·
Graduate Is the future just an illusion in the block universe model?
- oldGhost1
- · Replies 28 ·
Graduate Why does the speed of light have to be constant to all observers?
- Bobcent
- · Replies 4 ·
Undergrad Einstein's contribution post 1915
- jmatt
- · Replies 9 ·
Undergrad Light waves propagate with no medium
- mrcotton
- · Replies 3 ·
Graduate Does spacetime curvature propagate as a continuous field?
- Seminole Boy
- · Replies 6 ·
Graduate Bob and Alice at the Event Horizon again.
- anorlunda
- · Replies 1 ·
Graduate What are the different equivalence principles and how are they related?
- ShayanJ
- · Replies 1 ·
Graduate Difference between line element and four-vector length
- asdqwe
- · Replies 1 ·
Graduate Where does gravity originate at the fundamental level?
- SecretOfnumber
- · Replies 1 ·
Graduate Why doesn't the photon in a light clock hit the back of the spaceship?
- chocolatesheep
- · Replies 4 ·
Graduate How can gravity grasp on space time?
- medgalis
- · Replies 7 ·
Graduate Difference between jerk in accerlation and deceleration?
- Seminole Boy
- · Replies 7 ·
Graduate How does SR quantify the direction relative properties of inertia?
- James MC
- · Replies 11 ·
Graduate Would you feel a gravitational wave passing through?
- Light Bearer
- · Replies 5 ·
Graduate Suppose you are far into deep space
- Forge
- · Replies 12 ·
Graduate Can simultaneous events in a moving frame be simultaneous in a stationary frame?
- ash64449
- · Replies 127 ·
Graduate How can angular momentum and relativity coexist?
- Seminole Boy
- · Replies 20 ·
Undergrad Why Does Light Take 8 Minutes to Reach Earth from the Sun
- stavragy
- · Replies 4 ·
Graduate Speed, Time and Relativity: A Lurker's Question
- DeadPoet
- · Replies 4 ·
Graduate Does gravity reduce the speed of light and deflect it?
- zepp0814
- · Replies 4 ·
Graduate Applying Lorentz Transformation to 4-Velocity Vector
- ssamsymn
- · Replies 7 ·
Graduate Is GR Considered a Gauge Theory?
- TrickyDicky
- · Replies 54 ·
Graduate Speed of Light: Relative Measurement for 2 Observers
- rajeshmarndi
- · Replies 9 ·
Excellent video on General and Special Relativity
- 42Physics
- · Replies 7 ·
Graduate Does space have a physical role in the jerk of acceleration?
- Seminole Boy
- · Replies 7 ·
Graduate Operational coordinate system using close-packed spheres and pulsed light
- pervect
- · Replies 3 ·
Graduate Why doesn't x = vt hold when time dilates and length contracts?
- andrepd
- · Replies 3 ·
Undergrad A phone call at the speed of light?
- sickenz
- · Replies 8 ·
Graduate Dust generated static space-time implications on fluid 4-velocity
- WannabeNewton
- · Replies 48 ·
Undergrad Black Holes Uniting: How Do They Crash?
- huhjinsoo
- · Replies 5 ·
Undergrad How does timedilation apply to things other than lightclocks?
- eyxenia
- · Replies 12 ·
Graduate Does the spinning of a wheel affect its aging compared to its surroundings?
- Warp
- · Replies 2 ·
Graduate Do you agree with my explanation of time dilation
- Seminole Boy
- · Replies 1 ·
Graduate Questions about closed timelike curves
- HomogenousCow
- · Replies 15 ·
Undergrad Do accelerating objects feel jerk in inertial frames?
- Seminole Boy
- · Replies 12 ·
Undergrad What equation shows that infinite energy is needed to reach light speed?
- blanenotanewb
- · Replies 2 ·
Graduate How are time dilation and length contraction mathematically linked?
- AdamBenHamo
- · Replies 5 ·
High School Understanding Inertial reference frames
- saipathudut
- · Replies 54 ·
Graduate Total linear momentum does not conserved as viewed from other frame?
- m2sg
- · Replies 13 ·
Graduate Could magnetic monopoles have an equivalent in general relativity?
- Spinnor
- · Replies 3 ·
Graduate Hypothetical thought experiment about time dilation
- awalltep81
- · Replies 6 ·
Graduate Are Faster-Than-Light Effects Predicted by Special Relativity?
- tade
- · Replies 21 ·
Graduate Black Hole : Infalling Observer looking back
- A.T.
- · Replies 4 ·
Graduate Degrees of Freedom in Linearized Gravity (and beyond)
- NanakiXIII
- · Replies 6 ·
Graduate Is Light Moving in a Slant Direction Possible?
- ash64449
- · Replies 14 ·
Graduate Understanding Observation Frames in GR Theory
- HomogenousCow
- · Replies 8 ·
Graduate Still confusion in relativity of simultaneity and time dilation .
- ash64449
- · Replies 13 ·