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 General relativity and curvilinear coordinates
- "Don't panic!"
- · Replies 127 ·
Graduate A quick question about observations in different frames
- rede96
- · Replies 24 ·
Graduate Translational Motion Vs. Rotational Motion
- jpescarcega
- · Replies 2 ·
Graduate Two Lorentz Boosts Causing Rotation - Measurable w/ Gyroscope?
- Ookke
- · Replies 2 ·
Graduate Hamilton EOM for Schwarzschild Metric: Problem Solved
- sergiokapone
- · Replies 3 ·
Graduate Motion vs Rest: How Does Relativistic Time Differ?
- ag048744
- · Replies 6 ·
Graduate Relativistic Effects in Relative Motion of Objects
- ag048744
- · Replies 8 ·
Graduate Calculate Time Dilation b/w t1 & t2 Using Average Mean Density
- Ans
- · Replies 9 ·
Graduate Charge Dropping on Rindler Horizon: Coulomb Force Effects?
- jartsa
- · Replies 5 ·
Graduate Does Dark Matter Interact with Itself in Black Holes?
- Justice Hunter
- · Replies 6 ·
High School Would the Earth Have A Delay Reaction if the Sun disappeared
- Dopplershift
- · Replies 6 ·
Graduate Understanding the MMX Calculation Problem: Vertical vs. Horizontal Analysis"
- Kanesan
- · Replies 36 ·
Undergrad Length contraction and direction of tavel
- Amr Elsayed
- · Replies 112 ·
Graduate Flow of Magnetic Charge: A Source in Ampere's Law? - Bob Eisenberg
- Bob Eisenberg
- · Replies 2 ·
Graduate No-faster-than-light in the special relativity
- gxu
- · Replies 9 ·
Graduate Raising Index of Electromagnetic Energy Momentum Tensor
- jstrunk
- · Replies 7 ·
Graduate Killing vector tangents to geodesics
- Andre' Quanta
- · Replies 2 ·
Undergrad Massless Particle Questions: Explaining Photon's Lack of Mass
- Swetha.M.L
- · Replies 8 ·
Graduate Length contraction and the speed of light
- Mentz114
- · Replies 54 ·
Undergrad Relativity for Poets: A Free eBook
- bcrowell
- · Replies 3 ·
Graduate Energy & Gravity: Newton & Relativity Explained
- Leonardo Muzzi
- · Replies 6 ·
Graduate Would magnetic charge be Lorentz invariant?
- Bob Eisenberg
- · Replies 15 ·
Graduate Variation of a tensor expression with indices
- spaghetti3451
- · Replies 2 ·
Graduate Absolute Temperature & Entropy: Which is Lorentz Scalar?
- ORF
- · Replies 6 ·
Graduate Four-velocity of massless particle
- sweet springs
- · Replies 5 ·
Graduate Black hole information : Holographic theory question.
- Justice Hunter
- · Replies 13 ·
Graduate Gravitation, 2 objects of same properties
- Destroxia
- · Replies 2 ·
Graduate Time dilation in accelerating reference frames
- rede96
- · Replies 39 ·
Graduate Time dilation in relativity theory
- Muhammad Zubair
- · Replies 11 ·
Graduate Gravitational Warping by Non-Spherical Celestial Bodies
- Gerinski
- · Replies 1 ·
Graduate Why the Shapiro delay is calculated with respect to the....?
- Chhhiral
- · Replies 11 ·
Graduate Lorentz Transformation: Get Answers to Your Questions
- Stephanus
- · Replies 10 ·
Graduate Space-time & Gyroscopic Effect: Arthur's First Post
- Arthur95
- · Replies 4 ·
Graduate Lorentz and Doppler and signal pick up
- Stephanus
- · Replies 30 ·
Graduate Is a Metric Feedback Possible in General Relativity?
- OccamsRazor
- · Replies 8 ·
Graduate Interstellar Movie: Wormholes & String Cosmology Explained
- kuartus4
- · Replies 1 ·
Penn State: General Relativity Centennial Stream Jun 7-12
- robphy
- · Replies 3 ·
Graduate When is the momenergy vector invariant?
- Cluemore
- · Replies 14 ·
Graduate Solving the Shorter Distance Puzzle with Spacetime
- Devil Moo
- · Replies 17 ·
Undergrad Can Gravity Cause an Object to Pull Itself Inward?
- James Gordon
- · Replies 14 ·
Graduate When Will B2 Be Received by A?
- Stephanus
- · Replies 19 ·
Graduate Interpretation of double bending / deflection
- SpiderET
- · Replies 9 ·
Graduate Calculate Christoffel Symbol: Textbook Guide
- CASPIDE
- · Replies 3 ·
Undergrad Lorentz Transformation negative result
- bb1413
- · Replies 24 ·
Graduate Time Unit Vector: Calculate d'Alembert with 4 Vectors
- kareeemmuhammed
- · Replies 3 ·
Graduate Normalization of Four velocity
- aditya ver.2.0
- · Replies 1 ·
Graduate Why Stick to GR? A Closer Look at the Theory's Successes and Predictions
- greypilgrim
- · Replies 13 ·
Graduate Can I stick my arm in past the event horizon?
- Curtph
- · Replies 40 ·
Graduate Time Dilation Confusion: Need Help Understanding
- DarkStalker
- · Replies 4 ·
Graduate Flatness Problem: Unstable Ω-1 Parameter in Dark Energy Dominated Universe?
- michael879
- · Replies 10 ·
Graduate Novel Geometrical Models of Relativistic Stars: A Physical Analysis
- martinbn
- · Replies 15 ·
Graduate What is the Principle of General Covariance in Physics?
- shubham agn
- · Replies 5 ·
Graduate Magnetic Force from Current Loops: Relativistic Treatment
- ieatsk8boards
- · Replies 4 ·
Graduate Geometry in General Relativity: Round Marble on a Box
- berra
- · Replies 5 ·
Graduate Is the Neo-Lorentzian Framework Gaining Acceptance in Modern Physics?
- hunt_mat
- · Replies 4 ·
Undergrad Relative momentum and relative mass
- Amr Elsayed
- · Replies 57 ·
Graduate Reversing Indices in Contractions: Can it be Done?
- unscientific
- · Replies 7 ·
Graduate Measuring Relative Speed of Frames Using Spacetime Interval
- russphelan
- · Replies 5 ·
Graduate Approaching Light Speed: Why Would It Fail?
- jonatron5
- · Replies 4 ·
High School Earth vs Space: Is a Falling Ball PULL or PUSH?
- Deepak K Kapur
- · Replies 5 ·
Graduate How Does Tetrad Formalism Relate to the Hilbert-Einstein Action?
- Andre' Quanta
- · Replies 2 ·
Graduate Does the Twin Paradox Break Symmetry in the Zig-Zag Scenario?
- Stephanus
- · Replies 104 ·
Graduate How Does Spacetime Curvature Affect Light's Movement and Dynamics?
- Isaac0427
- · Replies 8 ·
Graduate Muon length contraction confusion
- amardeep
- · Replies 20 ·
Graduate Distinction between coordinate and reference frame
- Andre' Quanta
- · Replies 7 ·
Graduate Baez's vizualisation of Ricci tensor
- exponent137
- · Replies 6 ·
Undergrad Discover the Relationship Between E=mc2 and Time with m=1kg and d=1m
- Deepak K Kapur
- · Replies 63 ·
Graduate Calculating Ship Time w/ Varying Acceleration in Relativity
- stefan10
- · Replies 1 ·
Graduate Metric for a free falling observer
- Andre' Quanta
- · Replies 7 ·
Graduate GR Controversy: Proven Phenomena but Unproven Theory?
- Isaac0427
- · Replies 64 ·
Graduate Equivalence Principle: Einstein vs Strong
- Andre' Quanta
- · Replies 4 ·
Graduate Covariant form of Newton's law of gravity
- shubham agn
- · Replies 4 ·
Graduate Observed speed of light shone back from 0.9c forward motion
- abrogard
- · Replies 13 ·
Graduate Frequency shifts in rotating frames
- Mentz114
- · Replies 42 ·
Graduate Invariant mass of a photon changes - from Wiki
- Imager
- · Replies 13 ·
Graduate Understanding Einstein Field equations?
- meyol99
- · Replies 4 ·
Graduate Big Bang & Angular Momentum Conservation
- Karim Habashy
- · Replies 1 ·
Undergrad Time Dilation: 1 Hour=77 Hours - Can I Phone?
- Mitchell Swan
- · Replies 8 ·
Graduate Is curvature possible for a 2D metric?
- space-time
- · Replies 34 ·
Graduate Unravelling the Mystery of Gravity's Speed & Bend
- Stephanus
- · Replies 3 ·
Graduate Is Net Charge Conserved in Special Relativity with Current Flowing in a Wire?
- arpon
- · Replies 41 ·
Graduate Thin Shell Cavity in General Relativity
- Markus Hanke
- · Replies 17 ·
Graduate Spacetime Curvature: Which Tensor Gives Coordinates?
- jpescarcega
- · Replies 3 ·
Graduate Twin Paradox and Time Asymmetry in Special Relativity
- Stephanus
- · Replies 10 ·
Graduate Is the Sagnac Effect Misleading in Understanding Length Contraction?
- MattRob
- · Replies 35 ·
Graduate Light at speeds faster than the speed of light?
- Quds Akbar
- · Replies 29 ·
Graduate Tests of EFE: Assessing General Relativity's Validity Beyond Cosmology
- CycoFin
- · Replies 32 ·
Graduate Why c Speed Limit Doesn't Prove Space is Continuous?
- Andrea Panza
- · Replies 11 ·
Graduate What will be the rate of fuel consumption of a rocket near 'c'
- Prashan Shan
- · Replies 8 ·
Graduate Terrell Revisited: The Invisibility of the Lorentz Contraction
- JDoolin
- · Replies 184 ·
Graduate Can Relativistic Propulsion Take Us Beyond Our Solar System?
- jlefevre76
- · Replies 6 ·
Graduate Twin Paradox - Question on Space Time Diagram Analysis Resolution
- controlfreak
- · Replies 51 ·
Graduate Find G_{\mu\nu} from Supergravity Lagrangian: Chapter 4, Section 4.3.2
- beyondthemaths
- · Replies 1 ·
Graduate What is the value of curvature which caused by earth
- tallal hashmi
- · Replies 21 ·
Graduate Is the Lorentz Factor Symmetry Key to Unlocking a 125-Year Mystery?
- Kanesan
- · Replies 1 ·
High School Speed of Light Near Black Holes: Explained
- Prashan Shan
- · Replies 4 ·
Graduate Mass velocity at a black hole event horizon.
- Shaw
- · Replies 22 ·
Graduate What are the non-zero Christoffel symbols for 2D polar coordinates?
- flaticus
- · Replies 10 ·
Graduate What are these Gaussian coordinates?
- ash64449
- · Replies 11 ·
Graduate Understanding Light Beam Emissions and SR's Light Clock
- Micheth
- · Replies 10 ·