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 Question from Schutz, A First Course in GR
- Jimmy Snyder
- · Replies 24 ·
Graduate Time Dilation and Differential Aging
- Sherlock
- · Replies 31 ·
Graduate Relativity and Energy Transfer via Radiation
- Swampeast Mike
- · Replies 7 ·
Graduate Question on Phenomenology of Einsteins Field Equations
- robousy
- · Replies 6 ·
High School Understanding Time Dilation: Explained in Simple Terms for Physics Enthusiasts
- QuantumTheory
- · Replies 1 ·
Einstein And A Century Of Time
- ZapperZ
- · Replies 2 ·
Graduate Dual to Tensor: Meaning & -1/6 Explained
- yukcream
- · Replies 1 ·
Graduate Advice on GR book specific to my needs
- robousy
- · Replies 2 ·
Graduate Is the Speed of Light Affecting Relativistic Phenomena?
- asdf1
- · Replies 8 ·
Graduate The Black Hole in a Spatially Compact Spacetime
- Perspicacious
- · Replies 2 ·
Graduate Einstein's Clock Synchronization Convention
- Aether
- · Replies 108 ·
Graduate Relativistic contraction happens which way?
- IAN STINE
- · Replies 14 ·
Graduate Should the Special Relativity Principle be Reduced to a Tautology?
- Perspicacious
- · Replies 4 ·
Graduate Closed Universe Twins Paradox: No Acceleration?
- infinitus
- · Replies 5 ·
Undergrad Exceeding the Speed of Light: A Surprising Result with Two Squares on Paper
- nameta9
- · Replies 14 ·
Graduate Do gravity waves get bent by gravity?
- jim_990
- · Replies 13 ·
Undergrad The Constant Speed of Light: Investigating its Properties
- Avgiu
- · Replies 4 ·
Undergrad Curtailed length and the twin paradox
- Quan Chi
- · Replies 4 ·
Graduate Do Primes in Lorentz Transformations Differ from Relativistic Effect Equations?
- neopolitan
- · Replies 10 ·
Graduate Hawking, new theory on information paradox right or qwrong?
- berty
- · Replies 3 ·
Graduate Rank of Tensors: Questions & Answers
- yukcream
- · Replies 6 ·
Graduate Mysteries of the Big Bang: Is the Universe Made from Nothing?
- zelldot
- · Replies 6 ·
Graduate GRTensorJ - Books (physics/0509108)
- robphy
- · Replies 12 ·
Graduate Why is gravity assumed to be a wave
- jim_990
- · Replies 5 ·
Graduate Coordinate transformations and acceleration
- Trilairian
- · Replies 4 ·
Graduate What is the correct derivation of the relativistic rocket equation?
- StatusX
- · Replies 11 ·
Graduate Is gravity just the temporal gradients effect
- jim_990
- · Replies 6 ·
Graduate A Supposed alternative to GR I feel to be NonsenseClarification please
- Sir_Deenicus
- · Replies 4 ·
Graduate What Are Contravariant and Covariant Tensors in Relativity?
- yukcream
- · Replies 2 ·
Graduate Sir Hermann Bondi (1919 - 2005)
- robphy
- · Replies 1 ·
Need Help Identifying Errors on My Website?
- pmb_phy
- · Replies 22 ·
Graduate Antisymmetric 4-Tensor: Hodge/Duality Transformation Explained
- yukcream
- · Replies 3 ·
Undergrad Accelerated charges loose energy
- vidmar
- · Replies 2 ·
High School What are gravitational lenses?
- kiru
- · Replies 4 ·
Undergrad Gravity Probe B Results: Preliminary Info
- Paulanddiw
- · Replies 3 ·
Undergrad Curvature of light and its effect on reality
- Jeremy
- · Replies 3 ·
Undergrad Get Formula for Rolf's 24-Hour Mars Trip
- Reaptor
- · Replies 4 ·
Graduate Question 2: Relative events and space-time intervals
- yukcream
- · Replies 1 ·
Graduate The gravition and Einstein's equivalence principal
- StatusX
- · Replies 16 ·
Graduate Thoughts on Einstein’s Theories
- nuke_c
- · Replies 17 ·
Undergrad Time travel is posibble or not ?
- ngkamsengpeter
- · Replies 2 ·
Graduate Photon Mass: Debunking the Myth of Zero Mass in SR Equation
- yu_wing_sin
- · Replies 103 ·
Graduate Shear stress energy tensor in GR
- blue_sky
- · Replies 4 ·
Graduate Question about Einstein's train and lightning
- robert Ihnot
- · Replies 1 ·
Graduate Gravitational field of a moving object
- Ahmes
- · Replies 11 ·
Graduate Through what medium does EM propagate in empty space?
- turbo
- · Replies 73 ·
Graduate What Forms of Energy Could Exist if All Matter Transformed into Energy?
- vidmar
- · Replies 2 ·
Graduate Hypothetical; what would a rocket look like to an outside observor if
- Shanos
- · Replies 5 ·
Graduate Rotate Pencil About Axis AB: What Obs. C Sees
- Yaaks
- · Replies 12 ·
Graduate Understanding Relativity: How a Mirror Reflects Your Image at Near-Light Speeds
- fusi0n
- · Replies 13 ·
Undergrad Confused about fourth spatial dimension
- sandesh trivedi
- · Replies 35 ·
A question about the existance of a thread
- Jimmy Snyder
- · Replies 6 ·
Graduate What is Relativity? Get Help Understanding It
- heaven eye
- · Replies 4 ·
Finding Original Relativity Documents Online
- Mozart
- · Replies 11 ·
Graduate Understanding Abstract Physics: Gauge Functions & Properties of EM Fields
- francisco
- · Replies 1 ·
Graduate Four-vectors, Minkowsky spacetime.
- norbert
- · Replies 3 ·
Graduate Spacetime intervals again - still figuring out the formula
- NanakiXIII
- · Replies 69 ·
Undergrad Special Relativity: 1st & 2nd Postulates Explained
- rocketboy
- · Replies 7 ·
Undergrad Would it be possible to see into the past
- derek yau
- · Replies 10 ·
Graduate Is the Langevin Twins Paradox Validated by Other Experiments?
- Yehuda
- · Replies 34 ·
Graduate Is the Redshift of Light at a Black Hole's Surface Infinite?
- Macro
- · Replies 16 ·
Graduate Random questions + Geometric multidimensional patterns.
- Temporarily Blah
- · Replies 7 ·
Graduate The speed of light in a vacuum
- francisco
- · Replies 2 ·
Graduate Tidal Forces/Fields: Analyzing N-Body Simulation Data
- Allday
- · Replies 2 ·
Graduate The nature of space, time and spacetime
- playmesumch00ns
- · Replies 3 ·
Graduate Twins Paradox: What Do Each Twin Observe During Trip?
- Enos
- · Replies 12 ·
Graduate How Does Relativity Apply in Rotating Frames of Reference?
- mikeu
- · Replies 15 ·
Help. not sure how to criticize the following site:
- francisco
- · Replies 1 ·
Undergrad Either my professor made a boo-boo or I don't get it(regarding E=mc^2)
- schattenjaeger
- · Replies 6 ·
Graduate Deriving Relativistic Mechanics Equation: \gamma
- amcavoy
- · Replies 5 ·
Graduate Light Bending Effect in General Relativity: Understanding Gravitational Lensing
- Spin_Network
- · Replies 2 ·
Undergrad Relativistic energy and matter
- Zelos
- · Replies 2 ·
Undergrad Relativistic length contraction
- asdf1
- · Replies 9 ·
Undergrad Is Earth's Gravitational Field Zero at 900km Altitude?
- samaank
- · Replies 4 ·
Graduate Is Time the Same for All Observers in Different Dimensions?
- scilover89
- · Replies 3 ·
Graduate Relativistic addition question
- pigasuspig
- · Replies 5 ·
Graduate MasterIs the existence of gravity shock waves in the universe possible?
- magi
- · Replies 6 ·
Graduate In this section explaining relativity
- asdf1
- · Replies 11 ·
Graduate Time in the Lorentz transformation
- asdf1
- · Replies 6 ·
Graduate What happens to time when a body reaches the speed of light?
- Nirav Chavda
- · Replies 4 ·
Graduate Is Relativistic Mass Still Relevant in Modern Physics Discussions?
- Aer
- · Replies 212 ·
Undergrad So two ships leave earth in opposite directions
- pigasuspig
- · Replies 6 ·
Is Proving Einstein Wrong a Serious Challenge or Just a Fun Debate?
- mruncleramos
- · Replies 4 ·
Graduate Another Hairbrained FTL Scheme
- Iridium
- · Replies 7 ·
Graduate E = mc^2 is Not Einstein's Discovery?
- vincentm
- · Replies 29 ·
Graduate A better way to imagine the time space continuum.
- the_truth
- · Replies 6 ·
High School Speed of Light: Independent to Observer?
- LedZep_Kamal
- · Replies 18 ·
Graduate Linear vs Sagnac: Examining Arrival Time Differences
- TheAntiRelative
- · Replies 16 ·
Graduate Unreliability of Hafele & Keating Experiment: A Critical Analysis
- Yehuda
- · Replies 5 ·
Graduate Why is the Speed of Light Squared in Special Relativity?
- Swampeast Mike
- · Replies 39 ·
Graduate How can we physically travel through time?
- Rook225
- · Replies 6 ·
Graduate Answer: Rest Energy of Electron or Positron: 0.51 MeV
- asdf1
- · Replies 17 ·
Graduate Can the speed of light be considered an absolute?
- neopolitan
- · Replies 4 ·
Undergrad Why the michelson-morley experiment is not reliable
- johanen
- · Replies 3 ·
Undergrad Why is the Speed of Light Squared in E=mc^2?
- free_mind
- · Replies 78 ·
Graduate Speed Of Light and stimilation
- Spin_Network
- · Replies 2 ·
Graduate Question from Rindler's Introduction to Special Relativity
- learningphysics
- · Replies 5 ·
Graduate How Time Stands Still: r=GM/c^2
- gunblaze
- · Replies 2 ·
Graduate Proving Energy-Momentum Tesor Relation
- samalkhaiat
- · Replies 2 ·
Graduate Reimagining Science: Space, Time, and Gravity in a New Light
- dgoodpasture2005
- · Replies 2 ·