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 Can virtual produce anti-gravity?
- wangyi
- · Replies 2 ·
Graduate Are these predictions about the Pacific coastline true or just a coincidence?
- moving finger
- · Replies 157 ·
Graduate Special Relativity in a Parallel Universe
- Perspicacious
- · Replies 41 ·
Graduate Does the Inverse Lorentz Function Model Space-Time Curvature Inversion?
- Orion1
- · Replies 2 ·
Graduate Questions about energy conditions
- haushofer
- · Replies 23 ·
Graduate Ricci components in Schwarzschild solution
- rickphysics
- · Replies 13 ·
Graduate How Can You Explore Black Hole Orbits with Interactive Animation?
- George Jones
- · Replies 3 ·
Graduate Understanding Einstein's Thought Experiment & Question 10 of the Relativity Quiz
- εllipse
- · Replies 43 ·
Undergrad Another Artificial Gravity Question
- Atma1001
- · Replies 6 ·
Graduate Schwarzschild metric assistance
- lurathis
- · Replies 20 ·
Graduate Speed of Light: If You're in a Spaceship, Would Results Be Skewed?
- Atma1001
- · Replies 4 ·
Graduate Is Gravity Really a Force Keeping Us on Earth?
- UrbanXrisis
- · Replies 19 ·
Undergrad Einstein's View of Gravity in Solar Systems
- tino lin
- · Replies 16 ·
Graduate Strength of materials and special relativity
- 69Mustang
- · Replies 2 ·
Graduate Creating Artificial Gravity: Can It Be Done?
- gonzo
- · Replies 13 ·
Graduate Is it possible to know the future through a biological mechanism?
- Arctic Fox
- · Replies 40 ·
Graduate What Happens to Time Dilation at Constant Speeds like 50% of C?
- apophis924
- · Replies 7 ·
Graduate Is the Center of a Black Hole a Point in Time or Space?
- cangus
- · Replies 5 ·
Graduate Light Speed in Glass & Second Postulate of Special Relativity
- Dr.Brain
- · Replies 45 ·
Graduate How Do Dimensions and Euclidean Geometry Relate to Spheres in Higher Dimensions?
- mewmew
- · Replies 6 ·
Undergrad How would you explain the Special Theory of Relativity using Physics?
- Gamecubesupreme
- · Replies 10 ·
Graduate What Does the Derivative of the Lorentz Gamma Function Indicate?
- Orion1
- · Replies 2 ·
Graduate Can Matter from a Black Hole's Singularity Travel Back to Our Timeframe?
- PhilipF
- · Replies 3 ·
Graduate Understanding the Paradox of Backward Time Travel: Why We Can't Go Back
- Mentat
- · Replies 173 ·
Graduate A New Concept of what Gravity really is?
- Francium
- · Replies 6 ·
Graduate Question pertaining measurement and space
- BigM69
- · Replies 2 ·
High School Can We Really Change Time Through Speed?
- DopeyGuy
- · Replies 5 ·
Graduate Relativity vs. QMwhich is more fundamental
- metrictensor
- · Replies 13 ·
Graduate Solve Momentum to Get Gamma in Relativity Theory
- gunblaze
- · Replies 7 ·
Graduate Does Lorentz Force Change in Moving Frames?
- metrictensor
- · Replies 19 ·
Graduate Faster than light communication
- robousy
- · Replies 8 ·
Graduate Walking the wrong way through a wormhole?
- hexhunter
- · Replies 8 ·
Graduate Can Time Travel Take You Anywhere in the Universe?
- Art
- · Replies 10 ·
Graduate Graviton and general relativity
- Ratzinger
- · Replies 17 ·
Undergrad I am going to do a presentation on time-travel tomorrow.
- Gamecubesupreme
- · Replies 6 ·
Undergrad Please explain to me why the speed of light is squared
- Nusc
- · Replies 18 ·
Undergrad Help with time and speed of motion please.
- DeeBee
- · Replies 6 ·
Graduate Travelling at the speed of light
- Art
- · Replies 11 ·
Graduate What is the difference between Special Relativity and General Relativity?
- IndustriaL
- · Replies 25 ·
Graduate How Can an MMx Interferometer Test Photon Behavior in a Gravitational Field?
- yogi
- · Replies 11 ·
Graduate Unraveling the Twins Paradox: Examining the Actual Solution
- TheAntiRelative
- · Replies 39 ·
Graduate What is the Structure of Classical General Relativity?
- wolram
- · Replies 3 ·
Undergrad Accelaration is equal to gravity
- paulhunn
- · Replies 15 ·
Graduate Is Spacetime Unique to Relativity or Present in Quantum Mechanics?
- Gammaboy
- · Replies 7 ·
What if time was round like a circle?
- philster
- · Replies 9 ·
Graduate Discover Article something not quite right.
- Zardoz
- · Replies 10 ·
Graduate Understanding Astrophysics: The Hubble Distance and Beyond
- marlon
- · Replies 30 ·
Graduate Is Earth's Gravitational Pull Just a Pseudo Force?
- Dr.Brain
- · Replies 18 ·
High School Relativistic Energy: Explained
- Honorable_Death
- · Replies 7 ·
Graduate Lorenz Formulas: T-zero & T Explained
- Moe_the_Genius
- · Replies 8 ·
Graduate Relativistic mass, how did Einstein thought of it?
- misogynisticfeminist
- · Replies 8 ·
Graduate Why Does an Object Fall Toward a Star Without Gravity?
- dodo
- · Replies 16 ·
Graduate What Are the Differences Between Electric and Magnetic Field 4-Vectors?
- Mortimer
- · Replies 19 ·
High School E = MC2 - how was it initially proven?
- WarrickF
- · Replies 22 ·
Graduate Consequences of LT on Length and Photons
- DougBTX2
- · Replies 2 ·
Graduate Einstein's 1905 Papers: A Revolutionary Accomplishment
- jdavel
- · Replies 8 ·
Graduate Is Time Speeding Up? Universe Expansion & Past Receding
- |2eason
- · Replies 28 ·
Graduate Question about the equivalence principle
- nwall
- · Replies 2 ·
Graduate Understanding the Twin Paradox
- abercrombiems02
- · Replies 9 ·
Graduate Sure this is easy for you but I dont understand
- Neitrino
- · Replies 2 ·
Graduate Is GR a wrong apparoach to gravitation?
- Juan R.
- · Replies 82 ·
Graduate Pressure and refraction in GR?
- cefarix
- · Replies 5 ·
Graduate What are the functions of Boyer-Linquist coordinates?
- Moore1879
- · Replies 5 ·
High School Does anyone know some light facts on the following topic?
- Gamecubesupreme
- · Replies 2 ·
Graduate Einsteins though experiment and e=mc^2
- uraknai
- · Replies 4 ·
Graduate Humans have true 4D spatial vision
- Mortimer
- · Replies 6 ·
Undergrad Light Beam Problem: What Will Happen?
- Temporarily Blah
- · Replies 6 ·
Undergrad Gravitation Queries: Explaining Newton's Meaning
- Dr.Brain
- · Replies 9 ·
Graduate Why ether proves speed of light?
- Oerg
- · Replies 5 ·
Graduate What is the relationship between virtual time and black holes?
- Sarahchichi
- · Replies 2 ·
Undergrad Throwing relativity out the window
- eNathan
- · Replies 5 ·
Graduate GR vs. SR while accelerating away
- gonzo
- · Replies 15 ·
Graduate General Doubts about Space Time
- gaugeboson
- · Replies 4 ·
Graduate E=mc^2 no object with rest mass can ever reach the speed of light?
- eNathan
- · Replies 17 ·
Graduate How do we express Maxwell's equations in terms of the field tensor?
- meteorologist1
- · Replies 6 ·
Graduate Calculating Curvature of Space-Time for a Body of Mass
- Enos
- · Replies 4 ·
Graduate GR & The Cosmological Constant
- General_Relativity21
- · Replies 4 ·
Graduate Confusion between horizon, particle horizon and event horizon
- emanaly
- · Replies 8 ·
Undergrad Kinetic Energy Change in Particle: Earth vs Space Observation
- HungryChemist
- · Replies 2 ·
Graduate Length Contraction in Special Relativity
- bayan
- · Replies 8 ·
Graduate Can a rotating rod exceed the speed of light?
- T-O7
- · Replies 2 ·
Undergrad Understanding Radar Guns and Speed Measurement with STR
- O Great One
- · Replies 8 ·
Graduate Is a free ballistic path a parabola or a cycloid?
- Zanket
- · Replies 28 ·
Graduate Help Needed for Schwarzschild Solution Model - Romeo
- Romeo
- · Replies 6 ·
High School What is Einstein's Twin Paradox and how does it illustrate time dilation?
- boy genius
- · Replies 2 ·
Graduate Interesting Question About Relativity and the Absolute
- Curious6
- · Replies 5 ·
Graduate Creating Stable Wormholes: Is It Possible?
- boy genius
- · Replies 10 ·
Graduate Tramplines and Scales and Free Float
- shibbysan
- · Replies 5 ·
Graduate What Is Your Perspective on the Event Horizon?
- LocktnLoaded
- · Replies 2 ·
Graduate Moving Through the 4th Dimension - Feasible?
- jlorino
- · Replies 37 ·
Undergrad What is the difference between energy and relativistic mass?
- nwall
- · Replies 32 ·
Undergrad Question regarding the expanding universe
- Tage
- · Replies 5 ·
Graduate The ADM Approach: Understanding the Basics of Minkowski Space and Metric Tensors
- member 11137
- · Replies 12 ·
Undergrad Help on Relativity for HSC Student from India
- wolram
- · Replies 10 ·
Graduate Is time truly finite or does it exist simultaneously in all moments?
- infinitetime
- · Replies 15 ·
Undergrad Einstein's Derivation of E=mC2: English Translation
- Iraides Belandria
- · Replies 4 ·
High School Question About Time: What Would Happen?
- Nightsky
- · Replies 8 ·
Graduate Speeding into a supersize black hole
- Anders Lundberg
- · Replies 2 ·
Graduate Can we travel into the past with space time physics?
- BenGoodchild
- · Replies 15 ·
Graduate Particles approching the speed of light
- Honorable_Death
- · Replies 17 ·