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.
Graduate Some conceptual questions on SR
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Graduate Tachyons & Time: Does Faster Mean Before?
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Graduate Traveling to the Future with Speed of Light - Can it be True?
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Graduate Einstein's Quest for Unifying SR & GR with EM
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Graduate Place to discuss the Theory of Relativity
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Graduate Einstein's Belief: Everything Moving at Speed of Light?
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Graduate Lorentz Contraction of a Rotating Object
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Graduate Time and the Sound Barrier: How Fast is Too Fast?
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Graduate What Is Minkowski's Geometric in Relativity
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Graduate Gravity of Light: Can a Laser Beam Generate Its Own Field?
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Graduate Escaping Black Holes: Is It Possible?
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Graduate Absolute vs. Relative: Explaining Relativistic Effects
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Graduate J Baez' The meaning of Einstein's Equations
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Graduate Is time relative for each observer in motion?
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Graduate How to calculate speed of gravity in GR?
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Undergrad Asking the Big Questions: Gravity Explained
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Graduate The difference between felt, and unfelt motion.
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Graduate Why Minkowski spacetime and not Euclidean spacetime?
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Undergrad How do you explain the twin paradox to a friend
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Graduate Minkowski spacetime interval's Lorentz invariance
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Graduate General Relativity And Quantum Mechanics
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Graduate Experiences of particles moving at relativistic speeds in non-vacuum
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Graduate Does Quickly Moving Object Have More Gravitational Mass?
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Undergrad What Are Gravity Waves and How Do They Work?
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Graduate Resolving the Twin Paradox: A Mathematical Approach
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High School The Basics of General Relativity Explained
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Graduate Special Relativity Knowledge Challenge (for experts only)
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Undergrad The Speed of Light: Theory of Special Relativity
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High School What in the world does E =mc2 mean?
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Graduate Do Massless Particles Like Gravitons Interact With the Higgs Field?
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Graduate Energy in a volume changing the geometry
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High School Twin Born On Earth and in Space - Age Difference
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Graduate Theory of General Relativity: Reason for Heavenly Bodies Creating Spacetime Dent
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Graduate Gravity Probe B: Gyroscope Orientation and Precession
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Graduate Understanding Relativistic Kinetic Energy in Lab Experiments
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Graduate Twin paradox, live via satellite
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Graduate Questioning Relative Mass Magnification by a Moving Observer
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Graduate Blackhole decay and gravitational wave
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Undergrad Is the Big Bang Theory Misunderstood in Terms of Expansion and Gravity?
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Graduate New Paper: GR implies no dark matter
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Graduate Is the Twin Paradox Misunderstood in Terms of Aging Differences?
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Graduate Angular momentum at near-c velocities
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Graduate What are the prerequisites for understanding Lorentz transformations?
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Graduate Can particles and geometry coexist in gravitational theory?
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Graduate Fermi-Walker transport - problem with a minus sign
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Graduate Relativistic Mass: Inertial & Gravitational Effects
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Graduate On the Relativity of Lengths and Times
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Graduate Prove rectilinear motion given four-acceleration and four-velocity?
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Graduate Simultaneity in IB Exam Q: Person A & B's Perspective
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Graduate Noether's theorem and Time invariance?
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Graduate Special Relativity and Mass Variation
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Graduate Is Euclidean Quantum Gravity the Future of Nonperturbative Physics?
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Graduate Prove Tidal Distortion Volume Conservation Mathematically
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Graduate Time machines and rotating cylinders
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Graduate What do we know about gravitation?
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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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