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
Undergrad A computer teacher on a physics roll here?
- Imparcticle
- · Replies 1 ·
Graduate Is the Kerr-Newman Solution the Only Model for Charged Rotating Black Holes?
- ZelmersZoetrop
- · Replies 1 ·
Graduate Invariant under Lorentz transformation
- Spook
- · Replies 6 ·
Graduate Can You Explain the Basic Equations of General Relativity in 20 Minutes?
- LLT
- · Replies 2 ·
Graduate Light Static? 4D Space, Expanding Upwards at c
- billy_boy_999
- · Replies 10 ·
Graduate GPB hopefully to end DM nonsense
- meemoe_uk
- · Replies 13 ·
Graduate Consistence problems and Introduction to relativity
- Feynmanfan
- · Replies 3 ·
Undergrad How Does Mass Distort Spacetime?
- jlorino
- · Replies 4 ·
Undergrad Is Mass Truly Just Energy in Different Forms?
- JJ
- · Replies 14 ·
Undergrad SR Misunderstanding: Mass from E=mc^2?
- Silverious
- · Replies 7 ·
Graduate Do tachyons violate causality by traveling backward in time?
- munky99999
- · Replies 5 ·
Graduate Understanding Einstein's Relativity: From Energy Equations to Series Development
- OneEye
- · Replies 2 ·
Graduate Is Metric Required for Expansion and Causality in Science?
- Mike2
- · Replies 5 ·
Graduate The Pugilistic Albert - Round 2
- OneEye
- · Replies 34 ·
Graduate String and Relativity questions
- JDMatson
- · Replies 18 ·
Graduate Can Reverse Gravitational Force be Used for Interstellar Travel?
- IooqXpooI
- · Replies 9 ·
Undergrad Relative Direction: Proving Einstein's Theory with Clocks
- Angel Loupe
- · Replies 6 ·
Undergrad Why Do People Believe in Einstein Theory Over Push/Radiation Theory?”
- Stonefeather
- · Replies 12 ·
Graduate Michelson and Morley solved, relativity gone
- paulanevill@fsmail.n
- · Replies 129 ·
Graduate Gravity Probe B: A foregone conclusion?
- Ivan Seeking
- · Replies 2 ·
Graduate Relative to what? How does a professor answer that
- OneEye
- · Replies 37 ·
Graduate Speed of light in a comoving frame
- Peterdevis
- · Replies 16 ·
Graduate Can we travel in time by becoming photons with zero mass?
- Antonio Lao
- · Replies 32 ·
Graduate Relativity and accelerating observers?
- syano
- · Replies 10 ·
Graduate Charges in gravitational fields
- hellfire
- · Replies 6 ·
Graduate What is the medium that affects the speed of light in the Fizeau Experiment?
- wolram
- · Replies 2 ·
Graduate How can I relate four formulas from special relativity to find a solution?
- OneEye
- · Replies 3 ·
Graduate A newbie question on time dilation formula
- Xiox
- · Replies 6 ·
Gravity probe launching countdown
- TeV
- · Replies 2 ·
Undergrad Doesn't light's constant speed dictate an 'ether'?
- billy_boy_999
- · Replies 105 ·
Graduate Does relative motion between observer and light source affect absorption spectra?
- Point_Particle
- · Replies 18 ·
Graduate Time Dilation different depending on cause?
- Swiss Army
- · Replies 2 ·
Graduate Quantum gravity and planck scales.
- wolram
- · Replies 7 ·
Graduate Relativistic equations, how does one isolate variables?
- Matt Jacques
- · Replies 2 ·
Graduate The Expansion Tendency of the Universe According to GR
- Mike2
- · Replies 29 ·
Graduate This relativistic kinetic energy equation makes no sense to me
- JJ
- · Replies 5 ·
Graduate How can you physically travel back in time?
- The_Nebula
- · Replies 21 ·
Graduate What is the Double Special Relativity theory?
- Imparcticle
- · Replies 2 ·
High School Why the symbol c was chosen to represent the speed of light
- Chen
- · Replies 2 ·
Graduate Testing General Relativity, and perhaps Quantum Gravity
- Kalimaa23
- · Replies 9 ·
Graduate Has light wavelength compression been proven?
- billy_boy_999
- · Replies 5 ·
Graduate Graviton Questions: How Do Gravitons Pass Through Objects?
- fbsthreads
- · Replies 3 ·
Undergrad The Pugilistic Albert - Round 1
- OneEye
- · Replies 4 ·
Graduate What happens to mass at the speed of light
- Cypher
- · Replies 16 ·
Graduate Applying the lorentz transformation
- cephas
- · Replies 7 ·
Graduate Does mass truly increase with energy according to special relativity?
- Swiss Army
- · Replies 6 ·
Graduate Can Mach's Principle Be Tested with a Gyroscope in the Void of Space?
- Nacho
- · Replies 8 ·
Graduate The Peripatetic Albert - Warmup Lap
- OneEye
- · Replies 2 ·
Undergrad What Are the Best Resources for Understanding Einstein's Relativity?
- OneEye
- · Replies 2 ·
Undergrad How can mass equation rely on 'rest mass'?
- billy_boy_999
- · Replies 6 ·
Undergrad Relativistic Mass Propulsion or the RMP
- Sariaht
- · Replies 8 ·
Graduate Can Twins Age Differently in Space Without Acceleration?
- tribdog
- · Replies 10 ·
Graduate Is Space Truly Three Dimensional?
- StarThrower
- · Replies 9 ·
High School Why does the Earth move around the sun?
- deda
- · Replies 8 ·
High School What is FOR ? doppler shift?
- Imparcticle
- · Replies 2 ·
Undergrad Traveling at Light Speed: Our Earth's Movement Through Time
- Imparcticle
- · Replies 5 ·
Graduate How Does Gravity Affect Space and Time Near Black Holes?
- Mike2
- · Replies 8 ·
Graduate The Fundamental Postulate Of Special Relativity Is Self-Contradictory
- StarThrower
- · Replies 156 ·
Undergrad Satellite to test Einstein's predictions
- Grizzlycomet
- · Replies 2 ·
Graduate How does relativistic mass increase when an object accelerates to high speed?
- alchemist
- · Replies 10 ·
Graduate Determining which inertial frame experiences time dilation
- JJ
- · Replies 10 ·
Satellite to test Einstein predictions
- BookWorm
- · Replies 4 ·
Graduate General Relativity and relationism
- hellfire
- · Replies 3 ·
Undergrad Light in the wake of huge objects
- gibbiextreme
- · Replies 2 ·
High School Laymen’s view of what general relativity is?
- JonF
- · Replies 5 ·
What Unique Perspectives on Mathematics Does the UCR Math Website Offer?
- wolram
- · Replies 2 ·
Graduate Can Gravity Enable Instantaneous Communication Faster Than Light?
- cripkd
- · Replies 9 ·
Graduate How does the uncertainty principle affect the behavior of photons?
- billy_boy_999
- · Replies 8 ·
Graduate Is The Theory Of Special Relativity Wrong?
- StarThrower
- · Replies 18 ·
Graduate Can we really travel back in time using a wormhole?
- Imparcticle
- · Replies 4 ·
Graduate Going Faster Than Light: Can It Be Achieved?
- The_Nebula
- · Replies 8 ·
Graduate Stephen Hawking Grand Unified Theory
- Omni
- · Replies 2 ·
Graduate What is the significance of a 4-vector's magnitude being c?
- Severian596
- · Replies 10 ·
Graduate Does applying equal proper time accelerations to two clocks restore synchronization?
- StarThrower
- · Replies 2 ·
Graduate Amazing new experiment proposed
- Brad_Ad23
- · Replies 6 ·
Graduate Spacetime diagram for S' moving at v=3/4c relative to S
- Severian596
- · Replies 8 ·
Graduate Is there objective time, or just observer-dependent perception?
- psiclone
- · Replies 6 ·
Graduate Understanding Einstein's Theory: The Role of Spacetime in Motion
- Dorje
- · Replies 7 ·
Is There a Correlation Between Cognitive and Artistic Talent in Great Minds?
- wisp
- · Replies 30 ·
Graduate Which bomb explodes first, and why?
- speeding electron
- · Replies 12 ·
High School How do physicists use differential equations to describe the world?
- aychamo
- · Replies 4 ·
Undergrad Why is c even in the equation?
- donkeyhide
- · Replies 4 ·
Graduate How are gravitational radiation and electromagnetic radiation related?
- billy_boy_999
- · Replies 1 ·
Undergrad Does centrifugal force exist in accelerated reference frames?
- aychamo
- · Replies 4 ·
Graduate Why does dropping a phone fall if gravity isn't a force?
- aychamo
- · Replies 2 ·
Graduate Relative antiparallel photons generate Q. M.?
- Loren Booda
- · Replies 7 ·
Graduate What Happens to a Donut Spinning at Near-Light Speeds?
- Namloh2000
- · Replies 8 ·
Graduate Geodetic and Frame-Dragging Effects on Gyroscope Axis of Rotation
- powerball
- · Replies 2 ·
Graduate Who give me some references to Kaluza-Klain's theoy in 5D?
- galaphy
- · Replies 2 ·
Graduate Simulteneity and other myths, maybe?
- mhernan
- · Replies 3 ·
Graduate What is the relationship between energy and the curvature of spacetime?
- 424319
- · Replies 1 ·
Undergrad What exactly are Lorentz transformations?
- aychamo
- · Replies 8 ·
Graduate Definition of relativity's interval
- Severian596
- · Replies 10 ·
Graduate Non-symmetric gravitational theory (NGT)
- yanniru
- · Replies 5 ·
Graduate Exact solutions of Einstein's field equations
- Loren Booda
- · Replies 6 ·
Undergrad Can Gravity and Acceleration Ever Equal the Speed of Light?
- JonMcD
- · Replies 4 ·
Graduate Laws in freely falling elevator
- beacon
- · Replies 6 ·
Graduate Where should I start to learn about relativity?
- nabby1
- · Replies 13 ·
Graduate Einstein's Space-Time Continuum: Is Time a 4th Dimension?
- cripkd
- · Replies 7 ·
Undergrad How does light always recede at c, and does gravity warp spacetime around Earth?
- aychamo
- · Replies 2 ·