Special and General Relativity Forum

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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.
Undergrad Why is gravity described as bending space instead of just an attractive force?
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Graduate An old new kind of observer dependency: is v > c possible if nobody was looking?
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Graduate Accomodating relativity to dark matter
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Graduate Question about Wave equation for light in nonflat spaces
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Graduate Is Time a Dimension or a Field?
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Graduate H and Infinity: What Happens to Time and Distance at the Event Horizon?
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Graduate Why Must the Universe Expand or Contract According to General Relativity?
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Graduate General Relativity and EM - Heim Theory
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Graduate Einstein's:Mass increase resulting from Acceleration increase
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Graduate Is Rotation in x and y Invariant at the Origin in a Rotating Coordinate System?
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Graduate Understanding the Dot Product in Fermi Normal Coordinates
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Graduate Gravity doughnut may solve time travel problem
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Graduate Fermi-Walker transport non-rotating particle
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Graduate Gravitational redshift +blackbody spectrum
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Graduate Can spacetime as a rubber sheet be taken literally or merely as pedagogic?
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Graduate How Does General Relativity Explain the Motion of Earth and Light?
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Undergrad General Relativity in the Undergraduate Physics Curriculum
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Graduate Relativity - facing backwards on a train
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Undergrad Why does light accelerates after being slowed down
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Graduate Why Do Photons Travel at the Speed of Light?
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Graduate C constant to the observer as well?
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Graduate General Relativity Postulates and History of Publication
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Undergrad Will Pushing One End of a 2 Light Second Rod Move the Other End?
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Graduate The effect of wormholes on photons
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Graduate Proofing a few paragraphs on relativity
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Graduate Light in a Black Hole: Does It Escape or Lose Energy?
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Undergrad Meaning of frames in relativity
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Graduate Energy of motion at high speed
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Graduate Trying to track down one of the popular physics books
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Graduate Special Relativity & General Relativity: Length, Time, and Motion
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Undergrad What Makes the Speed of Light and Gravity So Fascinating?
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Graduate Lorentz Invariant: What & When?
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Undergrad Does Magnetism Curve Space and Time
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Graduate Can Time Dilation be Determined in a Constantly Accelerating Frame?
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Undergrad Measurements of time/distance be dependent on an object's velocity
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Graduate A question about relativity model
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Undergrad What is the shape of a black hole and how does it appear from behind?
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Graduate Time Dilation & Generalization of SR: Beyond Light
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Graduate Can virtual produce anti-gravity?
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Graduate Are these predictions about the Pacific coastline true or just a coincidence?
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Graduate Special Relativity in a Parallel Universe
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Graduate Does the Inverse Lorentz Function Model Space-Time Curvature Inversion?
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Graduate Questions about energy conditions
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Graduate Ricci components in Schwarzschild solution
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Graduate How Can You Explore Black Hole Orbits with Interactive Animation?
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Graduate Understanding Einstein's Thought Experiment & Question 10 of the Relativity Quiz
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Undergrad Another Artificial Gravity Question
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Graduate Schwarzschild metric assistance
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Graduate Speed of Light: If You're in a Spaceship, Would Results Be Skewed?
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Graduate Is Gravity Really a Force Keeping Us on Earth?
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Undergrad Einstein's View of Gravity in Solar Systems
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Graduate Strength of materials and special relativity
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Graduate Creating Artificial Gravity: Can It Be Done?
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Graduate Is it possible to know the future through a biological mechanism?
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Graduate What Happens to Time Dilation at Constant Speeds like 50% of C?
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Graduate Is the Center of a Black Hole a Point in Time or Space?
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Graduate Light Speed in Glass & Second Postulate of Special Relativity
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Graduate How Do Dimensions and Euclidean Geometry Relate to Spheres in Higher Dimensions?
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Undergrad How would you explain the Special Theory of Relativity using Physics?
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Graduate What Does the Derivative of the Lorentz Gamma Function Indicate?
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Graduate Can Matter from a Black Hole's Singularity Travel Back to Our Timeframe?
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Graduate Understanding the Paradox of Backward Time Travel: Why We Can't Go Back
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Graduate A New Concept of what Gravity really is?
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Graduate Question pertaining measurement and space
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High School Can We Really Change Time Through Speed?
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Graduate Relativity vs. QMwhich is more fundamental
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Graduate Solve Momentum to Get Gamma in Relativity Theory
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Graduate Does Lorentz Force Change in Moving Frames?
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Graduate Faster than light communication
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Graduate Walking the wrong way through a wormhole?
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Graduate Can Time Travel Take You Anywhere in the Universe?
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Graduate Graviton and general relativity
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Undergrad I am going to do a presentation on time-travel tomorrow.
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Undergrad Please explain to me why the speed of light is squared
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Undergrad Help with time and speed of motion please.
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Graduate Travelling at the speed of light
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Graduate What is the difference between Special Relativity and General Relativity?
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Graduate How Can an MMx Interferometer Test Photon Behavior in a Gravitational Field?
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Graduate Unraveling the Twins Paradox: Examining the Actual Solution
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Graduate What is the Structure of Classical General Relativity?
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Undergrad Accelaration is equal to gravity
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Graduate Is Spacetime Unique to Relativity or Present in Quantum Mechanics?
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What if time was round like a circle?
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Graduate Discover Article something not quite right.
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Graduate Understanding Astrophysics: The Hubble Distance and Beyond
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Graduate Is Earth's Gravitational Pull Just a Pseudo Force?
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High School Relativistic Energy: Explained
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Graduate Lorenz Formulas: T-zero & T Explained
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Graduate Relativistic mass, how did Einstein thought of it?
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Graduate Why Does an Object Fall Toward a Star Without Gravity?
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Graduate What Are the Differences Between Electric and Magnetic Field 4-Vectors?
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High School E = MC2 - how was it initially proven?
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Graduate Consequences of LT on Length and Photons
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Graduate Einstein's 1905 Papers: A Revolutionary Accomplishment
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Graduate Is Time Speeding Up? Universe Expansion & Past Receding
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Graduate Question about the equivalence principle
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Graduate Understanding the Twin Paradox
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Graduate Sure this is easy for you but I dont understand
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Graduate Is GR a wrong apparoach to gravitation?
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Graduate Pressure and refraction in GR?
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