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 Does Relativity Cause Time Differences Between Two Synchronized Clocks in Space?
- Alvydas
- · Replies 19 ·
Graduate Integrating the metric in 3-D Spherical coordinates
- GRstudent
- · Replies 5 ·
Graduate Contravariant and covariant vectors transformations
- GRstudent
- · Replies 16 ·
Graduate Space time Curvature around the Earth
- GRstudent
- · Replies 16 ·
Graduate Bell Spaceship Paradox: A and B's Viewpoint
- mananvpanchal
- · Replies 16 ·
Graduate Is 'charged black hole' an oxymoron?
- Q-reeus
- · Replies 382 ·
Graduate Does light observe other light as moving at light speed?
- aditya23456
- · Replies 1 ·
Graduate Some intuitional questions about GR
- Kontilera
- · Replies 9 ·
Graduate Hilbert action according to robert wald
- naughtyeskimo
- · Replies 3 ·
Graduate Calculating Proper Time of "A" in Schwarzschild Geometry
- Nilupa
- · Replies 9 ·
Graduate Does light travel time affect observed clock rates relativistically?
- Urkelli
- · Replies 5 ·
Graduate Visualisation of Brian Greene's concept.
- yuiop
- · Replies 8 ·
Graduate Moving charge in gravitational field.
- Sagar_C
- · Replies 4 ·
Graduate How can a machine be created to produce energy in GR?
- Antiphon
- · Replies 4 ·
Graduate Velocity in Inertial Frames: Lorentz Dilation and Contraction
- storm4438
- · Replies 2 ·
Graduate How does special relativity account for the time on a single moving clock?
- JM
- · Replies 161 ·
Graduate Expanding Spacetime - Inside an Atom?
- EskWIRED
- · Replies 6 ·
Graduate Torsion -> covariant deriv of det(g) non-zero?
- pellman
- · Replies 21 ·
Graduate Galilean transform and the maxwell equations
- GarageDweller
- · Replies 7 ·
Graduate Geodesics in a rotating coordinate system
- snoopies622
- · Replies 4 ·
Graduate No redshift in a freely falling frame
- vin300
- · Replies 95 ·
Graduate Tiny rocket in Galileo’s ship to detect motion
- vibhuav
- · Replies 8 ·
Graduate How GR Resolves the Conservation of Momentum and Energy
- julian
- · Replies 122 ·
Graduate Thinking obout The Principle of Special Relativity
- zhangyang
- · Replies 8 ·
Graduate Energy required to accelerate, and frames of reference
- coktail
- · Replies 6 ·
Graduate Derivation of the Equation for Relativistic Mass
- NanakiXIII
- · Replies 78 ·
Graduate Rotating Object Transformation: Length/Circumference Change?
- Jakedasnake
- · Replies 2 ·
Graduate Difficulty understanding invariant 'c' implications
- obliv1
- · Replies 3 ·
Undergrad Length contraction in Mr. Tompkins' low-light-speed world
- ahaanomegas
- · Replies 3 ·
Graduate What is the relationship between direction of motion and time?
- Johnleprekan
- · Replies 2 ·
Graduate Can Intense Light Waves Bend Space-Time to Propel a Vessel Through Space?
- nitronewt
- · Replies 9 ·
Can a person experience time faster through acceleration or gravity?
- Johnleprekan
- · Replies 4 ·
Graduate Should I think of gravity/ time dilation as directional?
- QuestionMarks
- · Replies 2 ·
Graduate Transformation of Doppler shift
- yuiop
- · Replies 19 ·
Graduate Several Questions Concerning Mass-Energy
- StillNihilist
- · Replies 5 ·
Graduate Alcubierre metric and General Relativity
- Orion1
- · Replies 1 ·
Graduate How is Δs related to the proper time interval?
- xma123
- · Replies 2 ·
Graduate Explain this - the Muon experiment
- Michio Cuckoo
- · Replies 20 ·
Graduate How Much of the Universe's Gravity is Due to the Strong Force Versus Rest Mass?
- EskWIRED
- · Replies 1 ·
Graduate FTL, causality, QE - some questions
- San K
- · Replies 2 ·
Graduate How do relativity and magnetism affect each other?
- Michio Cuckoo
- · Replies 4 ·
Graduate Do DIFFERENT observers see a DIFFERENT force on accelerating body?
- skunkswks
- · Replies 1 ·
Graduate Can an object orbit a black hole before disappearing?
- NewImage
- · Replies 6 ·
Graduate How does Lanchester's transporter work in a curved manifold?
- rbwang1225
- · Replies 2 ·
Graduate Ultra-Relativistic sound speed problem
- Barnak
- · Replies 1 ·
Einstein's 1906 Paper: English Translation Requested
- ralqs
- · Replies 6 ·
Graduate Transformation for accelerating observers
- ralqs
- · Replies 3 ·
Graduate Special Relativity for the visual thinker - testing my understanding
- Grimble
- · Replies 15 ·
Graduate Point of Reference and Speed of Light: A Thought Experiment
- SpeedSpaceman
- · Replies 2 ·
Graduate What is the reason behind proper mass being invariant?
- aditya23456
- · Replies 1 ·
Graduate Are we travelling slower through time due to the Earths orbit?
- RichyB
- · Replies 19 ·
Graduate Measuring the speed of light at different velocities
- coktail
- · Replies 10 ·
Graduate Will The Theory of Relativity allow me to travel Backwards in Time?
- Ferraridude
- · Replies 58 ·
Graduate Why the phenomenon of relativity is not progressive in nature.
- PressMan
- · Replies 2 ·
Graduate Time dilation and the perception of light
- coktail
- · Replies 13 ·
Graduate How does special relativity follow from classical electrodynamics
- Wox
- · Replies 8 ·
Graduate The Twin Paradox and the Equivalence Principle
- haroldholt
- · Replies 62 ·
Graduate Wald Theorem 2.2.1 Problem on p.15
- syhpehtam
- · Replies 1 ·
Graduate Does GR really post-dict the big bang?
- PerpStudent
- · Replies 2 ·
Graduate Fuel and air consumption at 0.866c in the captain's frame
- Katt7777
- · Replies 18 ·
Graduate Need to calculate Christoffel connection from a given metrics
- chinared
- · Replies 1 ·
Undergrad Do waves/particles of light experience time? Awesome videos
- maughanster
- · Replies 2 ·
Graduate Details of Stress-Energy-Momentum Tensor
- TheEtherWind
- · Replies 1 ·
Undergrad Why doesn't light escape from a moving light clock?
- BlumRat
- · Replies 28 ·
Graduate GR experiment of light observance
- lobro2002
- · Replies 1 ·
Graduate What causes wave-particle duality demonstrated in the Davisson-Germer experiment?
- rohans
- · Replies 1 ·
Graduate Proving β'' is between 0 and 1 in the Lorentz transformation matrix
- swampwiz
- · Replies 6 ·
Graduate Transformation Vs. Physical Law
- universal_101
- · Replies 256 ·
Graduate Speed of light in relative frames and acceleration
- Rtztgue
- · Replies 7 ·
Undergrad Does Gravity Influence the Speed of Light in Space?
- bhpv
- · Replies 7 ·
Graduate Theorem mathematic for relativity
- nulliusinverb
- · Replies 5 ·
Graduate How to get time dilation & length contraction from Lorentz transform?
- swampwiz
- · Replies 3 ·
Graduate A question of Einstein field equation
- chinared
- · Replies 4 ·
Graduate Parallel transport and geodecics
- Kidphysics
- · Replies 52 ·
Graduate Minkowski Metric Sign Convention
- PLuz
- · Replies 7 ·
Graduate Meaning of Spacetime Foliations
- stglyde
- · Replies 92 ·
Graduate What is the determinant of a Lorentz transformation matrix?
- vin300
- · Replies 3 ·
Undergrad Can gravitons travel faster than light if gravity is instantaneous?
- Ryanzmw
- · Replies 12 ·
Undergrad Time Dilation and The Twin Paradox?
- JimiJams
- · Replies 21 ·
Graduate Proper Time in Special vs. General Relativity
- schaefera
- · Replies 12 ·
Graduate What is the Twin Paradox and how does it illustrate time dilation?
- Orcinus
- · Replies 11 ·
Undergrad Relative magnetic field direction question
- ealbers
- · Replies 4 ·
Graduate Object moving at speed of light as Reference frame.
- aleemudasir
- · Replies 12 ·
Graduate Null coordinates in flat spacetime
- Dale
- · Replies 6 ·
Graduate Jumping down a hole drilled through Earth's poles
- schnorbitz
- · Replies 72 ·
Graduate Can Objects Achieve Light Speed Without Gaining Infinite Mass?
- jedd
- · Replies 11 ·
Graduate Relativity when you divide a trip into small time intervals
- 1MileCrash
- · Replies 2 ·
Graduate A time dilation thought experiment
- Enthu
- · Replies 24 ·
Graduate Actual clock rate difference between surface of Earth and surface of Moon
- arindamsinha
- · Replies 9 ·
Undergrad How dominant is gravity stated in general relativity.?
- aditya23456
- · Replies 3 ·
Undergrad Difference between relativistic dopler effect and doppler effect?
- aditya23456
- · Replies 1 ·
Undergrad Do clocks at different heights in an accelerating spaceship experience time dilation?
- Nick20
- · Replies 100 ·
Graduate The determination of mass dilation
- swampwiz
- · Replies 4 ·
Graduate Why does going faster than the speed of light require infinite energy?
- Reptile202
- · Replies 20 ·
Graduate Meaning of M in Schutz's interval invariance proof
- dpa
- · Replies 3 ·
Graduate Does spacetime emit and absorb energy?
- Naty1
- · Replies 9 ·
Graduate Finding a solution for Relativistic Acceleration
- Michio Cuckoo
- · Replies 4 ·
Graduate Mirror B Hit by Photon Beam from A
- mananvpanchal
- · Replies 1 ·
Graduate Do virtual particles become real in the Unruh effect?
- pervect
- · Replies 49 ·
Graduate Is conservation of the 4-momentum a postulate?
- jason12345
- · Replies 1 ·