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 How Does Time Dilation Affect Communication in Space Travel?
- PhanthomJay
- · Replies 22 ·
Graduate How is Work Calculated for a Constantly Accelerating Rocket?
- Nabeshin
- · Replies 2 ·
Graduate Eintein's theory of relativity
- doc.madani
- · Replies 11 ·
Graduate Can Rotating Charged Black Holes Exist?
- Chatt
- · Replies 7 ·
Undergrad Thought Experiment on perfect strings
- Insanity
- · Replies 2 ·
High School Understanding the Unchanging Speed of Light: Explained in Simple Terms
- gloryninja
- · Replies 6 ·
Graduate What are the meanings of coordinates ?
- hiyok
- · Replies 6 ·
Undergrad What happens when a black hole is a certain size?
- DARTZ
- · Replies 2 ·
Graduate Acceleration & Mass relationship
- AthenaM
- · Replies 5 ·
Graduate Is gravity a force, or curvature of space-time?
- hkyriazi
- · Replies 8 ·
Graduate Gaining a Better Understanding of Special Relativity
- Urmi Roy
- · Replies 53 ·
Undergrad Can Time Exist Without Mass in the Universe?
- mickaelparis
- · Replies 17 ·
Graduate Does the curvature of SpaceTime Disprove gravity?
- TheIsland24
- · Replies 3 ·
Graduate Gravimagnetism: The Curious Link Between Gravity and Magnetism
- meemoe_uk
- · Replies 22 ·
Graduate Interpretation of Flamm Paraboloid
- Widdekind
- · Replies 1 ·
Graduate Can We Travel Faster Than Light?
- aaryan0077
- · Replies 53 ·
Graduate Evidence for infinites at light speed.
- Researcher X
- · Replies 31 ·
Graduate Trying to follow i beginer's proof/derivation from relativity demistified.
- Storm Butler
- · Replies 4 ·
Graduate Christoffel Symbols for Schwarzschild Metric (?)
- Widdekind
- · Replies 4 ·
Undergrad From where comes Gravity energy?
- Neoφ
- · Replies 2 ·
Graduate Curvature of spacetime, Matter vs Energy
- gc0
- · Replies 7 ·
Graduate Object with no velocity is placed in a gravitational field
- cml149
- · Replies 29 ·
Graduate Div Curl: Black Hole Edge Explored
- rockyshephear
- · Replies 7 ·
Graduate No SR time dilation without Lorentz contraction
- nutgeb
- · Replies 2 ·
Graduate Confusion between simultanety and time dialation
- firavia
- · Replies 10 ·
Graduate What if light clock experiment was done on top of train?
- wdai03
- · Replies 2 ·
Graduate Overview of the topic and current topics/unsolved problems
- sbalian
- · Replies 2 ·
Graduate Orthonormal basis in fermi coordinates
- pieas
- · Replies 1 ·
Graduate Is Relativity Broken Due to Simultaneity and Time Dilation?
- firavia
- · Replies 11 ·
Graduate Gravitational Field & Reference Frames
- kuahji
- · Replies 12 ·
Graduate Beginner's Minkowski diagram / space-time interval question
- pc2-brazil
- · Replies 6 ·
Graduate Time dilation has a direct corelation in the production of gravity
- markonline
- · Replies 4 ·
Graduate What Would Happen to Astronaut A in a Rotating Spacecraft Access Tube?
- texasblitzem
- · Replies 26 ·
Graduate What came first Gravity or Curvature
- AKT
- · Replies 2 ·
Graduate Does Thomas Precession violate angular momentum conservation?
- DaveLush
- · Replies 43 ·
Graduate Thermodynamics of Spacetime: The Einstein Equation of State?
- mtak0114
- · Replies 1 ·
Graduate Does General Relativity Allow for Swimming in Space-Time?
- Jonathan Scott
- · Replies 11 ·
Graduate Applications of realitivty once we can travel at near c
- dshea
- · Replies 6 ·
Graduate Experience Zero-Gravity at Earth's Core
- Chatt
- · Replies 1 ·
Graduate Tesnsors and Units Consistancy
- Phrak
- · Replies 10 ·
Graduate Published definitions of rapidity
- DrGreg
- · Replies 7 ·
Graduate Question on linearity of Lorentz transformations
- facenian
- · Replies 66 ·
Undergrad Simulating relativity in a velocity verlet algorithm
- cephron
- · Replies 4 ·
Graduate Bell's spaceship paradox - reversed
- birulami
- · Replies 3 ·
Graduate How can two objects colliding and merging have a bigger mass?
- edoarad
- · Replies 9 ·
Graduate What's in your differential geometry toolbox?
- Aether
- · Replies 12 ·
Graduate Is there any derivation of length contraction through proper lenght?
- ELESSAR TELKONT
- · Replies 11 ·
Undergrad What does it mean if a transformation is 'linear'?
- Nanyang
- · Replies 6 ·
Graduate Black Hole; Gravity & Speed Within Questions
- KevinMWHM
- · Replies 3 ·
Graduate Light speed relative to accelerating & const vel source
- brightonb
- · Replies 10 ·
Undergrad Alpha centuri .4 light year relative to who?
- matttan
- · Replies 11 ·
Graduate Killing vectors for Anti desitter space in 3+1
- Jim Kata
- · Replies 1 ·
Graduate Einstein's Postulates & Momentum in 3D: Is it Possible?
- alex_rodin
- · Replies 2 ·
Undergrad What is the Twin Paradox and How Does Space Affect Time?
- supreabajaj
- · Replies 8 ·
Graduate Why is the speed of light erm the speed of light?
- Vectus
- · Replies 12 ·
Graduate How does mass know that space is curved?
- jnorman
- · Replies 15 ·
Graduate Deriving Lorentz Metric and E=m
- solveforX
- · Replies 10 ·
Graduate How does the GR field equation reduce to Newton's law of gravity?
- Geezer
- · Replies 2 ·
Graduate Using the Einstein Equation to Solve Problems in GR
- ghc
- · Replies 8 ·
Graduate Rubber sheet analogy - density change
- Pjpic
- · Replies 3 ·
Graduate How is acceleration in relativity measured?
- atta_bo-y
- · Replies 9 ·
Undergrad Some Questions on Time Dilation.
- I_am_learning
- · Replies 41 ·
Graduate Twin 1 goes on a rocket flys to pluto at .99c
- um0123
- · Replies 20 ·
Graduate Is equivalence principal really true?
- mritunjay
- · Replies 19 ·
Graduate How much energy is needed to create 3 protons and an antiproton from 2 protons?
- DuckAmuck
- · Replies 5 ·
Graduate Is There a Perpetual Motion Machine Hidden in the Capacitor Paradox?
- Privalov
- · Replies 52 ·
Graduate Lorentz Transformation: Finding d(gamma)/dt
- PlutoniumBoy
- · Replies 5 ·
Graduate Calculating Earth's Increased Mass with Velocity Change: A Scientific Analysis
- Bjarne
- · Replies 42 ·
Graduate (gamma)ma=F-[F.(beta)]beta How derive this?
- vin300
- · Replies 9 ·
Graduate Dangers of FTL Space Drives: AIAA/NASA Report Analysis
- integral_83
- · Replies 2 ·
Graduate Why cant special reletivity and Newtonian theory of gravity agree?
- [Nicolette]
- · Replies 21 ·
Graduate Confusions over general relitivity
- Paper
- · Replies 10 ·
Graduate What Happens to Mass Inside a Black Hole?
- epkid08
- · Replies 4 ·
High School Perception vs. Reality-relativity of time
- BuddyPal
- · Replies 4 ·
Graduate Apparent paradox: e=mc^2 violates conservation of energy?
- Codebender
- · Replies 5 ·
Undergrad Light move away from the emitter at 1.00 c ?
- keepitmoving
- · Replies 18 ·
Graduate .5 c train relativity question
- keepitmoving
- · Replies 9 ·
Graduate Minimum Travel Time: Is It Possible?
- Tac-Tics
- · Replies 2 ·
Graduate Velocity Addition: Lead Photon Movement?
- keepitmoving
- · Replies 9 ·
Undergrad What is the reason for Gravity ?
- praveen
- · Replies 22 ·
Graduate Can gravitational blue shift happen without gravitational time dilation?
- nutgeb
- · Replies 5 ·
Graduate Does J go to inf when v goes to c?
- GiftOfPlasma
- · Replies 4 ·
Graduate Question about 'uniform' pseudo-field felt by accelerating observer
- JesseM
- · Replies 18 ·
High School Ether and how it was disproved.
- RelativityKid
- · Replies 23 ·
Graduate Does Gravity Exist or Is It Just a Bend in Space-Time?
- AlisonArulia
- · Replies 32 ·
Graduate Einstein on the relativity of distance.
- zaaron
- · Replies 2 ·
Graduate Getting the Ricci and metric tensor from T ?
- cuallito
- · Replies 5 ·
Graduate Can a Photon Exist in Multiple Places Due to the Problem of Simultaneity?
- keepitmoving
- · Replies 9 ·
Graduate Understanding the Metric Tensor in General Relativity
- dianaj
- · Replies 14 ·
Graduate Frequent flyer miles for the travelling twin
- neopolitan
- · Replies 13 ·
Graduate Cosmological Constant and Planck Length in relativity
- Naty1
- · Replies 7 ·
Graduate Lengths perpendicular to relative motion are unchanged
- Mosis
- · Replies 1 ·
Graduate Relativistic Angular Momentum?
- LarryS
- · Replies 1 ·
The World's First Time Machine: A Documentary and a Mystery
- leroyjenkens
- · Replies 3 ·
Undergrad When does Newton's Gravitation fail us?
- physicsdude30
- · Replies 16 ·
Graduate Lead Photon Motion: Is Distance Constant?
- keepitmoving
- · Replies 14 ·
Graduate Question's About the Speed of Light
- Gecko
- · Replies 7 ·
Graduate How Does Traveling at .9999c Affect Human Time Perception?
- nuby
- · Replies 29 ·
Graduate What sort of vector is this?
- pellman
- · Replies 5 ·
Graduate Ampere's Law: Questions from E.M. Purcell's Textbook
- exmarine
- · Replies 5 ·