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
High School Did David Hilbert beat Einstein to Relativity?
- kramer733
- · Replies 5 ·
Undergrad Did Lorentz or Einstein theoretically derive special relativity?
- zheng89120
- · Replies 92 ·
Graduate No real purpose in space-time?
- mixinman7
- · Replies 37 ·
Graduate Time dilation and twins paradox
- Volcano
- · Replies 21 ·
Graduate Graviton: Energy, Impulse, Frequency & Quantum
- mersecske
- · Replies 9 ·
Graduate Light bent in gravitational field
- tomz
- · Replies 1 ·
Graduate Blackhole mass = Hawking temperature x Entropy?
- johne1618
- · Replies 2 ·
Undergrad What exactly is relativistic mass?
- TheJoninator
- · Replies 17 ·
Graduate Simultaneity question – is sequence absolute?
- rede96
- · Replies 18 ·
Graduate Weyl Tensor Notation in Dimension 4
- jfy4
- · Replies 3 ·
Graduate How Can Massless Photons Be Affected by Gravity in Black Holes?
- Cosmo Novice
- · Replies 4 ·
Graduate My paradox, dead or not according to different observers
- ppppppp
- · Replies 26 ·
Graduate Can time dialation really just be the slowdown of physical processes?
- ItsDaveDude
- · Replies 70 ·
Graduate Curvature of space/time question/problem
- curtmorehouse
- · Replies 5 ·
Undergrad How would a trampoline solve the twin paradox in relativity?
- BobSanchez
- · Replies 6 ·
Graduate Parallel velocity hydrogen/antihydrogen annihilation at relativistic speeds.
- danR
- · Replies 14 ·
Graduate Age divergence of Identical accelerating twins
- kmarinas86
- · Replies 2 ·
Graduate Clocks & Curvature: How Space-Time Affects Timekeeping
- Negeng
- · Replies 4 ·
Graduate How could strange shapes affect space-time?
- Negeng
- · Replies 13 ·
Graduate Confusion with lower/raising indices
- vaibhavtewari
- · Replies 24 ·
Undergrad Question about energy in C-O-M frame and Lab frame.
- sukho
- · Replies 12 ·
Graduate Derivation of the Lorentz Transformations
- NanakiXIII
- · Replies 16 ·
Graduate Schwarzschild metric radial coordinate and distance terms
- Laserbeam
- · Replies 7 ·
Graduate Non inertial frame: Speed of light
- lovetruth
- · Replies 12 ·
Graduate Light Clock Experiment - questions from a newbie?
- pd3000
- · Replies 9 ·
Graduate Stress energy tensor for a swarm of particles ( in MTW )
- zn52
- · Replies 5 ·
Undergrad Gravitational Acceleration in Homogeneous Fields
- jensel
- · Replies 2 ·
Graduate Approximate Space Physics for Online Game
- dylankarr.com
- · Replies 10 ·
Graduate How Does Matter Cause Space to Curve?
- menniandscience
- · Replies 3 ·
Graduate Variation of cosmological constant with time
- kalish
- · Replies 3 ·
Graduate Special theory of relativity question
- lovetruth
- · Replies 64 ·
Graduate Your photonic rocket reaches planet A, 10 light-years away in 10 years.
- danR
- · Replies 14 ·
High School Can We Really See the Past Through Science?
- terencesiu
- · Replies 7 ·
Graduate Significance of gauge transformation any experts?
- ZealScience
- · Replies 5 ·
Graduate Lorentz factor and Bondi factor
- peterpang1994
- · Replies 4 ·
Undergrad Does Light Reach Objects Moving at High Speeds?
- themaster1j
- · Replies 4 ·
Graduate Struggling with MTW Exercises: Any Hints for Exercise 3.18 and 5.1?
- zn52
- · Replies 4 ·
Graduate Can conservation laws be deduced from the Einstein field equations?
- Alain De Vos
- · Replies 4 ·
Graduate Question relating to the Ehrenfest Paradox
- Hansiman
- · Replies 12 ·
Graduate Why is the speed of light independent of a frame of reference?
- drudkh
- · Replies 52 ·
Graduate Can you rip the space time fabric?
- Gravitons
- · Replies 50 ·
Graduate Lorentz Transformation Limit: Proving U=c
- SprucerMoose
- · Replies 3 ·
Graduate Is Ether the Missing Piece in Understanding Space Warping?
- Buckethead
- · Replies 14 ·
Graduate Revisiting Newton's Bucket Experiment: Is Rotation Absolute or Relative?
- novop
- · Replies 22 ·
Graduate Why is the relativistic mass a rejected concept?
- kmarinas86
- · Replies 106 ·
Graduate Removing Extraneous Factors from Einstein Action
- praharmitra
- · Replies 2 ·
Graduate On why massless particles move at the speed of light
- PAllen
- · Replies 7 ·
Graduate Physical definition of inertial reference frames
- Goldbeetle
- · Replies 14 ·
Graduate Train experiment in special relativity: a problem?
- 3029298
- · Replies 7 ·
Graduate Silly question about (Galilei) transformations
- haushofer
- · Replies 3 ·
Undergrad Does the Moon's gravity affect the Earth's gravity in a satellite's trajectory?
- Deadstar
- · Replies 6 ·
High School Speed of Light: Does Relative Motion Affect It?
- lederhosen
- · Replies 3 ·
Graduate Is energy truly conserved globally in an expanding universe?
- zaybu
- · Replies 9 ·
Graduate Why does gravity have to be non-linear?
- Jonathan Scott
- · Replies 33 ·
Graduate Acceleration & Quantum Gravity: A Fundamental Disconnect?
- grelf
- · Replies 1 ·
Graduate Does an object at rest in space experience time faster than moving objects?
- SeaJay
- · Replies 6 ·
Graduate Is mass conserved by mathematical identity?
- Phrak
- · Replies 9 ·
Undergrad Difference Between Newton and Einstein
- nhmllr
- · Replies 1 ·
Graduate Find Flux Through Black Hole: Metric g & Gauge Field A
- praharmitra
- · Replies 3 ·
Undergrad Why Does Light Bend Away From the Sun?
- Carnivroar
- · Replies 6 ·
Graduate Quadropole Formalism: Necessary Condition?
- mersecske
- · Replies 4 ·
Graduate Levi-Civita & Jacobi: Meaning & Question
- zn52
- · Replies 8 ·
Graduate Can a Temporal GPS Reveal Universal Simultaneity?
- Fiziqs
- · Replies 3 ·
Graduate Determining who measures Proper Time and Length
- ja_tech
- · Replies 5 ·
Graduate Question about the Lorentz Transformation
- Nanas
- · Replies 4 ·
Graduate Gravitational Waves and Speed of Light
- cbd1
- · Replies 21 ·
Graduate Twin paradox alone kills special relativity
- kenn2010
- · Replies 9 ·
Graduate Does the shape of the Universe contribute to the gravitational path?
- lsimpson1943
- · Replies 6 ·
Graduate Tidal forces near a black hole
- praharmitra
- · Replies 1 ·
Graduate Perfect Fluid Energy Stress Tensor
- alejandrito29
- · Replies 1 ·
Graduate Arbitrary rescaling of rapidity; work-KE theorem in SR
- bcrowell
- · Replies 12 ·
Graduate Minimal coupling non minimal coupling
- kalish
- · Replies 2 ·
Graduate Acceleration & Mass: Effects on Weight
- edguy99
- · Replies 22 ·
Undergrad Question about the speed of light and relativity
- Carnivroar
- · Replies 4 ·
Graduate Relativistic Force: Transforming Forces Between Reference Frames
- Lostinthought
- · Replies 1 ·
Graduate Gravitational time dilation implies energy change?
- johne1618
- · Replies 35 ·
Graduate Antimatter Black Holes: Explaining Matter Prevalence?
- Khashishi
- · Replies 4 ·
Graduate Why do objects moving at the speed of light appear smaller?
- Glynis
- · Replies 22 ·
Undergrad If we go to space with the speed of 40000 km/hr and spend almost 5 yrs
- bodhi
- · Replies 6 ·
Graduate Time Sync Problems: Answers to Questions on Moving Train Synchronization
- whereisnomar
- · Replies 4 ·
Graduate Derivation of Lorentz invariant
- ralqs
- · Replies 3 ·
Graduate Proper lorentz transformations
- Lostinthought
- · Replies 3 ·
Undergrad How do you calculate the speed of a particle given its Total and Kinetic energy?
- j2dabizo
- · Replies 12 ·
Graduate How do find out gravitational pull according to GR?
- jinchuriki300
- · Replies 1 ·
Graduate Why can the speed of light be set to 1 in Minkowski spacetime?
- lsimpson1943
- · Replies 8 ·
Graduate Can something gradually exerting force escape a black hole's gravitational pull?
- Good4you
- · Replies 14 ·
Graduate How can anything cross the event horizon of a BH?
- Fiziqs
- · Replies 8 ·
Graduate Does spaghettification occur around a super massive black hole?
- Negeng
- · Replies 10 ·
Graduate Schwarzschild radius question.
- Katamari
- · Replies 3 ·
Graduate Measuring Metric Tensor: Apriori Specification or Geometric Object?
- Dale
- · Replies 2 ·
Graduate Physical laws and tensor formulations of them
- McLaren Rulez
- · Replies 7 ·
Graduate Velocity of particle waves in an object?
- David Burke
- · Replies 7 ·
Graduate Question: Can a boosted frame remove unwanted terms from a transformed metric?
- Mentz114
- · Replies 4 ·
Graduate Simultaneous Causation: Metaphysics & Experiments
- Atype*
- · Replies 1 ·
Graduate Canonical derivation of Landau-Lifshitz pseudotensor
- QZQZ
- · Replies 1 ·
Graduate E=mc^2 proof. Why use Newtonian kinetic energy?
- SamRoss
- · Replies 3 ·
Graduate Historical origin of energy momentum equation?
- SamRoss
- · Replies 7 ·
Undergrad Speed of light is constant because of doppler effect?
- linklink
- · Replies 23 ·
Graduate Whoosh - linear frame dragging papers?
- pervect
- · Replies 3 ·
Graduate How to obtain the transformation of Null Tetrad ?
- Karmerlo
- · Replies 1 ·