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 Light with Gravity and Mirrors
- Naty1
- · Replies 1 ·
Graduate Is Time an Illusion? Opinions on Brian Greene's 'Fabric of the Cosmos
- kkapalk
- · Replies 23 ·
Graduate Laser traveling near of a supermassive body
- Macedo Junior
- · Replies 5 ·
Graduate What Is the Relativistic Mass of a Photon and Its Implications?
- GTOzoom
- · Replies 19 ·
Graduate What Defines an Inertial Frame in Physics?
- calculus_jy
- · Replies 18 ·
Graduate Electrostatic effect of a current carrying conductor
- ashokanand_n
- · Replies 8 ·
Graduate Observable physical quantity in relativity
- bernhard.rothenstein
- · Replies 16 ·
Undergrad What can be the speed of transmitting information?
- virudh
- · Replies 14 ·
Graduate Unraveling the Mysteries of Time: From Black Holes to Quantum Gravity
- Naty1
- · Replies 5 ·
Graduate Uncovering the Mystery of Centrifugal Forces: Hafele and Keating Experiment
- matheinste
- · Replies 9 ·
Graduate Black holes & hawking radiation
- Denton
- · Replies 10 ·
Graduate Directional covariant derivative
- snoopies622
- · Replies 5 ·
Graduate Photon Velocity and Pythagorean Theorem
- phys-learner
- · Replies 13 ·
Graduate Proof of invariance of dp1*dp2*dp3/E
- ala
- · Replies 2 ·
Graduate Is True Time the Key to Understanding Light Speed and Relativity?
- Idjot
- · Replies 78 ·
Undergrad Ideas for small special relativity wiki-page
- Shukie
- · Replies 9 ·
Graduate Trouble following the derivation of Scott and Viner 1965
- achmorrison
- · Replies 2 ·
Graduate GR and the role of the graviton
- La Guinee
- · Replies 21 ·
Graduate What Does Curved Space Really Look Like? A Visual Guide to General Relativity
- Denton
- · Replies 20 ·
Graduate Velocity of laser light pt. on moon > c ?
- Point Conception
- · Replies 2 ·
Graduate What is the resolution to the lighthouse paradox?
- Tam Hunt
- · Replies 34 ·
Graduate What is the energy here refers to?
- cks
- · Replies 5 ·
Graduate Question: Spin particles in scalar gravitational field
- Wenzi
- · Replies 6 ·
Graduate Coordinate Systems in Modern Interpretation of Relativity
- STFiction
- · Replies 29 ·
Graduate Test problems in mechanics and special relativity
- Count Iblis
- · Replies 1 ·
Graduate How Can We Accurately Predict the Moon's Position Despite Quantum Uncertainty?
- Holocene
- · Replies 1 ·
Graduate Proper Time For Photon on Null Geodesic
- Hacky
- · Replies 3 ·
Graduate Reducing Rindler metric to flat spacetime using Riemann tensor
- tri3phi
- · Replies 1 ·
Graduate Maxwell's Equations and Path of light & Gravitational wave
- spidey
- · Replies 3 ·
Undergrad Is Time Travel Possible with a Device That Slows Down Time?
- 39ster
- · Replies 5 ·
Graduate What If the Speed of Light Varied: Implications for Our Universe?
- spidey
- · Replies 7 ·
Graduate The Nature of length contraction
- Jagz
- · Replies 4 ·
Graduate Special Relativity and Reference Frames
- pjhphysics
- · Replies 9 ·
Graduate From special relativity to the classical one
- bernhard.rothenstein
- · Replies 12 ·
Graduate Anisotropy of Space: Implications for Lorentz Invariance and Quantum Mechanics
- mhill
- · Replies 19 ·
Graduate Vacuum solution with nonzero cosmological constant
- La Guinee
- · Replies 8 ·
Graduate The upward force in General Relativity
- Ascenxion
- · Replies 8 ·
Graduate Physical interpretation of spacetime curvature?
- asimov42
- · Replies 2 ·
Graduate Researching Authors Who Have Explored Light Being Static
- skynelson
- · Replies 1 ·
Undergrad The inherent symmetry of time dilation
- sanook
- · Replies 4 ·
Graduate How Does Stopping a Train Realign Differing Time Perceptions in Relativity?
- curiousBos
- · Replies 20 ·
Graduate Can Gravitons Escape From a Black Hole if Light Cannot?
- jnorman
- · Replies 5 ·
Undergrad Why, why, why, Mr. Anderson, WHY?
- Bible Thumper
- · Replies 24 ·
Undergrad How Does Mass Relate to Time in Physics?
- Fractal314
- · Replies 6 ·
Graduate Equivalence principle & accelerated charge
- atyy
- · Replies 14 ·
Graduate Stokes theorem under covariant derivaties?
- tim_lou
- · Replies 1 ·
Graduate How Does Time Dilation Affect Perception of Speed in Relativity?
- FrankFrankov
- · Replies 8 ·
Graduate Birkhoff's Theorem: Schwarzschild Metric Unique Solution?
- La Guinee
- · Replies 15 ·
Graduate Alternate derivation of general relativity
- Phrak
- · Replies 4 ·
Graduate Twin Paradox: Einstein's Explanation and Alternative Interpretations
- cos
- · Replies 219 ·
Graduate Tensors and differential geometry
- Qazsxwced
- · Replies 1 ·
Graduate How to calculate relative velocity in SR
- Saw
- · Replies 16 ·
Graduate Explaining Time Dilation and the Universe
- Slacker142
- · Replies 6 ·
Undergrad When the speed of an object becomes equal to the speed of light
- Sreeja Mobin
- · Replies 5 ·
Graduate Time Dilation: Slower vs. Faster at v=c?
- Dabonez
- · Replies 2 ·
Graduate Does Nuclear Reaction Energy Contribute to the Existence of Infinity?
- Bible Thumper
- · Replies 41 ·
Graduate What is General Relativity and How Does it Work?
- harnith
- · Replies 4 ·
Graduate Four momentum of Photon in Center of Mass frame?
- infiniteen
- · Replies 2 ·
Undergrad Analyzing E=MC2: What Does Energy Have to Do with Distance?
- Makep
- · Replies 3 ·
Graduate Are electrical fields affected by gravity?
- rcgldr
- · Replies 16 ·
Graduate What will happen to a body that is not moving at all?
- Makep
- · Replies 33 ·
Graduate Is it possible to experience the same event twice?
- ehj
- · Replies 9 ·
Graduate What does a rod passing through a hole look like in the inertial frame?
- Phrak
- · Replies 86 ·
Graduate Equivalence principle and Acceleration
- spidey
- · Replies 9 ·
Graduate Poincaré on the constancy of light
- Histspec
- · Replies 3 ·
Graduate Relativistic collision and max energy
- ghadir-jafari
- · Replies 12 ·
Graduate Andromeda paradox and empirical consequences
- my_wan
- · Replies 22 ·
Graduate Unifying Quantum and Relativity
- Makep
- · Replies 3 ·
Graduate Understanding EM Stress Energy Tensor: Sources and Current Density
- tim_lou
- · Replies 2 ·
Undergrad Vector drive - faster than light?
- android34
- · Replies 9 ·
Einstein's real importance to relativity theory
- student85
- · Replies 5 ·
Graduate Solving a Paradox of SR: A Rocket Collision Example
- PhysicsProf
- · Replies 7 ·
Graduate Is Space More Like Fabric or Fluid?
- rwjefferson
- · Replies 8 ·
Graduate How can simultaneity and the constant speed of light stay coexist.
- fa7alerr0r
- · Replies 2 ·
Graduate Ether hypothesis and M/M Experiment not needed
- Bible Thumper
- · Replies 20 ·
Graduate How does weight work in general relativity?
- Ascenxion
- · Replies 10 ·
Graduate How High Must A Tower Be To Break Earth's Gravity?
- Lazzini
- · Replies 16 ·
Graduate What Are Christoffel Symbols and Their Types in General Relativity?
- student85
- · Replies 5 ·
Undergrad What is the true nature of gravity?
- Mr.Waka
- · Replies 16 ·
Graduate Lorentz-FitzGerald Contraction
- haaj86
- · Replies 8 ·
Graduate Measuring curvature with parallel transport
- oldman
- · Replies 2 ·
Graduate A fast fly hits a train and then ?
- krausr79
- · Replies 7 ·
Graduate How is the increase in relativistic mass determined in particle collisions?
- cos
- · Replies 20 ·
Graduate Partial derivative as a vector
- snoopies622
- · Replies 12 ·
Graduate Communication with no time boundaries?
- wrekced
- · Replies 8 ·
Graduate What Causes Time Dilation in the Twin Paradox?
- Mohammed_I
- · Replies 250 ·
Graduate The one-form basis and contraction
- Ben Niehoff
- · Replies 5 ·
Undergrad How is Time Dilation Possible in Front of Me?
- onglueme
- · Replies 3 ·
Graduate Optical effects of special relativity
- Henrik
- · Replies 3 ·
Graduate How is general relativity cast as a gauge theory?
- Phrak
- · Replies 12 ·
Undergrad Speed of light c = 0 Km/s. Not 300K, but a big, fat zero Km/sec
- Bible Thumper
- · Replies 17 ·
Graduate Will a Photon Launched Perpendicular to a Point Source Mass Ever Return?
- bassplayer142
- · Replies 14 ·
High School How does light travel so fast?
- Drbazz
- · Replies 25 ·
Graduate Acceleration and Curvature of space-time
- Ascenxion
- · Replies 13 ·
Graduate Geometry of Space as a Function of Time: Time Dilation & GR
- Chrisc
- · Replies 10 ·
Graduate What is the relationship between the metric tensor and spacetime?
- student85
- · Replies 3 ·
Undergrad Did the Apollo Missions Use an Atomic Clock for Time Dilation Experiments?
- bozo the clown
- · Replies 3 ·
Graduate Can We Theoretically Travel Faster Than Light?
- pchalla90
- · Replies 8 ·
Graduate Calculating Particle Decay in a Magnetic Field
- mt948434
- · Replies 2 ·
Graduate Covariant vs. contravariant time component
- snoopies622
- · Replies 5 ·