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 time essentially stop if you could travel a C?
- syano
- · Replies 5 ·
Undergrad How do you tell you are not in inertial frame of reference
- the-genius
- · Replies 26 ·
Undergrad Question reguarding gravitational pull
- Chewy0087
- · Replies 5 ·
Graduate How can you create a geodesic path using the metric and initial velocity?
- Jack3145
- · Replies 4 ·
Graduate Lorentz Transforms + Relativity of Simultaneity
- Dakar
- · Replies 1 ·
Graduate Does space warp reduce the space volume?
- Gerinski
- · Replies 9 ·
High School What Are the Standard Wavelengths of Light and Their Variations?
- Questioner...
- · Replies 8 ·
Graduate Alternate Representations of Lorentz Generators Mμν
- sshaep
- · Replies 4 ·
Undergrad Basic question about speed of light situation
- fluidistic
- · Replies 4 ·
Graduate Explaining E=mc^2: What Does It Mean Physically?
- quZz
- · Replies 20 ·
Graduate Constantly accelerating object and its proper time
- lhy56839
- · Replies 9 ·
Graduate Proper time of an accelerating particle
- alienslag
- · Replies 3 ·
Graduate Endless Acceleration: Is Hyperbolic Reduction the Answer?
- neopolitan
- · Replies 9 ·
Graduate How exactly does energy become mass?
- Quantum_Grid
- · Replies 105 ·
Graduate Special Relativity: Ultimate Speed Limit
- kidsmoker
- · Replies 1 ·
Graduate Is Length Contraction Real or Just an Illusion at High Speeds?
- Forestman
- · Replies 11 ·
Graduate The source of gravitational red shift
- Zman
- · Replies 3 ·
Graduate Understanding Black Hole Gravity: Mechanisms and Mysteries
- Naty1
- · Replies 2 ·
Graduate Gravity & Pressure: How Moving Particles Generate More Gravity?
- Dmitry67
- · Replies 1 ·
Graduate Using Einstein field equation
- kashiark
- · Replies 1 ·
Undergrad Why is c squared in Einstein's equations?
- sonofahb
- · Replies 7 ·
Graduate The doppler effect on light (red and blue shifts)
- kashiark
- · Replies 4 ·
Graduate A baffling quote from Einstein, badly requiring explanation
- echoing song
- · Replies 59 ·
Graduate Hypothetically If you were in a spaceship going 0.99999999999 c and you tried
- battlestar08
- · Replies 11 ·
Graduate Defining Mass and Time: A Scientific Exploration
- Timmaay322
- · Replies 4 ·
Graduate Tell me what I'm doing wrong (velocity addition in 3+1 dimensions)
- Fredrik
- · Replies 11 ·
Graduate Yau's result for the Ricci curvature on Kahler manifold
- schieghoven
- · Replies 5 ·
Graduate The speed of light and gravity
- Forestman
- · Replies 9 ·
Graduate Can Relativistic Speeds Affect the Calculation of a System's Center of Mass?
- LarryS
- · Replies 1 ·
Graduate Mass and the Speed of Light: Equations and Measurements
- ThoughtProces
- · Replies 5 ·
Graduate What is the relationship between momentum and mass in the context of light?
- SimonB
- · Replies 3 ·
Graduate Disk Rotating Near the Speed of Light
- Nitefang
- · Replies 22 ·
Graduate Gravity & Time: Why Does a Powerful Gravitational Field Affect Time?
- Forestman
- · Replies 2 ·
Graduate Why do we have to make assumptions in science?
- Forestman
- · Replies 6 ·
Graduate Why does an object fall from rest in a gravitational field?
- tickle_monste
- · Replies 4 ·
Graduate Is Energy Transmitted Faster than Light through Electro-Weak Fields?
- tickle_monste
- · Replies 4 ·
Graduate Relativity of simultaneity explained
- Histspec
- · Replies 5 ·
Graduate How Does Gravity Affect Time in Relativity?
- mintparasol
- · Replies 21 ·
Graduate Unveiling the Mystery of Space & Time in Relativity Theory
- Charlie G
- · Replies 23 ·
Graduate Can information be transmitted faster than c in inflationary cosmology?
- ensabah6
- · Replies 2 ·
Graduate Riemann geometry and hydrostatic
- delplace
- · Replies 2 ·
Graduate How Does Gravity Affect Particle Kinetic Energy in a Vacuum?
- cam875
- · Replies 12 ·
Graduate Understanding Time Dilation in Einstein's Theory of Relativity
- cos
- · Replies 1 ·
Graduate Are Christoffel Symbols Considered Tensors?
- Karl G.
- · Replies 5 ·
Graduate What is the truth about photons and their mass?
- ImAnEngineer
- · Replies 53 ·
Graduate Moving at Light Speed: Relativistic Effects Explained
- T.O.E Dream
- · Replies 34 ·
Graduate Gravity at very large distance
- Dreads
- · Replies 3 ·
Graduate Question about applying the Lorentz Transformation to velocity 4-vectors
- ygolo
- · Replies 2 ·
Graduate In which areas of physics is relativistic mass used?
- jtbell
- · Replies 16 ·
Graduate Is Light's Speed Perception Shaped by Relativity?
- Sapientiam
- · Replies 4 ·
Graduate Absolute Movement: Is Point Source Stationary?
- Dreads
- · Replies 28 ·
High School Why didn’t Einstein win a noble prize for relativity?
- cragar
- · Replies 20 ·
Graduate Is Faster than Light Travel Possible for Objects with Less Mass than a Proton?
- Ninja Tang
- · Replies 6 ·
Graduate What caused time to run slower in a field of gravity
- Bjarne
- · Replies 23 ·
Undergrad Speed of light constant throughout universe?
- M31
- · Replies 20 ·
High School Were some of Einstein's thought experiments carried out later?
- lalbatros
- · Replies 2 ·
High School Why does an orbiting body slow down in curved space-time?
- shehri
- · Replies 20 ·
Graduate Does an object in absolute reference state have zero mass?
- Cale C.
- · Replies 9 ·
Graduate How is the mass of particles in the Large Hadron Collider determined?
- cos
- · Replies 6 ·
Graduate Can Time Create the Illusion of Gravity in a 4-Dimensional Universe?
- Boeley
- · Replies 7 ·
Graduate How Does GPS Account for Asymmetric Geometry on Earth's Surface?
- Loren Booda
- · Replies 3 ·
Graduate Center of Krunskl Szekeres coordinate
- randa177
- · Replies 3 ·
Graduate Does Einstein really explain everything about gravity? Is there more?
- T.O.E Dream
- · Replies 10 ·
Graduate Did Einstein Truly Explain the Mystery Behind Gravity's Nature?
- T.O.E Dream
- · Replies 3 ·
Graduate My Sad Paradox: Watching 30 Years in 3?
- (T.O.E)
- · Replies 1 ·
Graduate Can objects moving faster than light exist in special relativity?
- Lexus Dominus
- · Replies 25 ·
High School How Did Physicists Determine the Speed of Light?
- T.O.E Dream
- · Replies 1 ·
Graduate Are the formulas that account for aberraion and doppler shift compatible?
- bernhard.rothenstein
- · Replies 3 ·
Graduate Definitions (continued from the cosmology forum)
- Fredrik
- · Replies 130 ·
Graduate How come equations don't account for
- schlynn
- · Replies 6 ·
Graduate Are gravitons consistent with black holes emitting them?
- Firesmith
- · Replies 1 ·
Graduate So, thank you very much again.Why not length contraction?
- Shawn Garsed
- · Replies 24 ·
Graduate Length Contraction in Particle Accelerators
- Mentallic
- · Replies 6 ·
Graduate Could Negative Mass Break the Cosmic Speed Limit?
- T.O.E Dream
- · Replies 13 ·
Graduate Possibility of Time Travel at Light Speed
- quantum brain
- · Replies 12 ·
Graduate How Does Light Behave on a Rotating Disc in Different Reference Frames?
- jkg0
- · Replies 4 ·
Graduate Unifying Quantum Mechanics and General Relativity: Why Hasn't It Been Done Yet?
- T.O.E Dream
- · Replies 4 ·
Graduate Should spacetime transformations make a group?
- lalbatros
- · Replies 21 ·
High School Why light can achieve such fast speed?
- ONON
- · Replies 20 ·
Graduate Question about greene's the fabric of the cosmos
- musik284
- · Replies 13 ·
High School Gravity Explained Simply: What Makes Objects Attract?
- samblohm
- · Replies 4 ·
Graduate Palatini Formalism: History, Motivation, Advantages
- noomz
- · Replies 3 ·
Graduate Combining SR and GR time dilation
- taylog1
- · Replies 2 ·
Graduate Is relativity remain unchanged?
- sanjibghosh
- · Replies 44 ·
Graduate Is Movement Through Space-Time Really Possible?
- menergyam
- · Replies 16 ·
Undergrad Webliography: What is the experimental basis of Special Relativity?
- lalbatros
- · Replies 2 ·
Graduate Magnetic Fields and Lorentz force flaw
- xfshi2000
- · Replies 3 ·
Graduate Lorentz transformation without the speed of light postulate
- lalbatros
- · Replies 6 ·
Graduate Minkowski Metric: Does it Violate Metric Space Axioms?
- Bobhawke
- · Replies 6 ·
Graduate Does the existance of relativity prove that gravity's wrong?
- GordonDengyo
- · Replies 33 ·
Graduate Relativity in 2 spatial dimensions
- cam875
- · Replies 3 ·
Graduate Does Light's Speed Depend on the Motion of Its Source?
- bernhard.rothenstein
- · Replies 17 ·
Undergrad How Does Time Dilation Work in Relativity?
- Master J
- · Replies 1 ·
Graduate How does gravity get away from a source so it can pull back to the source?
- GordonDengyo
- · Replies 11 ·
Graduate Gravity Deflecting Light and Gravity Lensing
- haytil
- · Replies 1 ·
Graduate Object Approaching Event Horizon: Why Does it Slow Down?
- Ascenxion
- · Replies 1 ·
OriginalPapersWhere can I find Einstein's original handwritten papers?
- jefswat
- · Replies 4 ·
Undergrad Light shone in a train bouncing off mirrors
- JustinTime
- · Replies 179 ·
Graduate Expansion of Universe and Time dilation
- earamsey
- · Replies 23 ·
Graduate Understanding Parallel Transport and its Implications for Coordinate Systems
- madness
- · Replies 20 ·