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.
High School What was the 1919 experiment about? Explanation needed.
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Graduate Why do really fast speeds keep you from aging or feeling time ?
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Graduate Projection Operator: Showing Orthogonality for Non-Null q
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Graduate Proof set of one-forms is a vector space
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Graduate Has Gravity Probe B Confirmed Frame Dragging?
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Graduate Electromagnetic blackhole violates 2nd law of thermodynamics?
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Graduate Gravity - a consequence or active force?
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Graduate Effective potential and geodesics in G.R.
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Graduate Cancer developing in different RF's
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Graduate Spacetime manifold: initial condition or result of GR?
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Graduate Curved spacetime and imaginary coordinate
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Graduate Symmetry Argument: Resolving the Twin Paradox Contradiction
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Graduate Parallel transport and geodesics
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Graduate Understanding Speed in an A,B,C Situation
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Graduate The Curvature of Space-Time and the Big Bang Theory
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Graduate Curved spacetime: embedded or not?
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Graduate Spatial curvature - effect on objects
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Graduate Understanding Gravity's Impact on Light: Beginner's Question on GM
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Graduate View from a spaceship at relativistic speeds
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Graduate Less elapsed time: Lorentz Transformation or Spacetime Interval ?
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Graduate Understanding Simultaneity in Relativity and its Effects on Observations
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Graduate What is the true meaning of Einstein's energy formula for a particle?
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Graduate A thought experiment to aid my undertsanding
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Graduate No (Lorentz) Invariant tensor of rank 3?
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Graduate Numerical Relativity: Components of the Lapse Function?
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Graduate Invariant functions of the four-momenta
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I think i figured out gravity, really
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Graduate Why Euclidean Geometry Fails in Real-World Space
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Graduate Curved Space: Is it More Than a Metaphor?
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Graduate A possible uncrossable boarder between bradyons and hypothetical tachyons
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Graduate Evidence that space and time has equal footing?
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Graduate How we compute killing vector for two-sphere
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Graduate Is Time Truly a Dimension in Physics or Something More?
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Graduate How is Constant speed of light referenced
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Graduate Information loss via black Holes
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Graduate Is there any Limit to the kinetic energy
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Graduate Time Dilation: How Much Fuel for 99.999999% of Speed of Light?
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Undergrad Question about relativity example
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Graduate What is the Relative Speed of Light at an Angle?
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Graduate Waves in Vacuum: Can They Travel Faster than c?
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Graduate Vacuum energy destruction of wormhole
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Graduate Definition of energy in general relativity
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Graduate Geometrodynamics: Research Status & Wheeler's Text
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Graduate Schwarzschild solution and velocity of stationary observer
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Graduate Time in a black hole and Weyl curvature
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Graduate Why won't Spaceships at Right Angles Collide in Frame S1?
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Undergrad Time dilation at an unchanging velocity
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Graduate Understanding the Interval Metric
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Graduate Gravitational effects on photons
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Graduate How to Calculate the Limit of Fraction Involving Four Vectors with q --> 0
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Undergrad What is the effect of aging during space travel?
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Graduate Scaling Paradox: Differential Geometry & General Relativity
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Undergrad Time Dilation and Future Interstellar Travel
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Graduate What are the weaknesses of Einstein's GR ?
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Graduate Why does a photon have zero rest mass?
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Graduate Tunneling does not carry information > c?
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Graduate Can someone explain time dilation w.r.t following experiment?
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Graduate Gravitational potential energy in GR
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Graduate Is it technically correct to say matter is made of energy
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Graduate Does Einstein implicitly proves himself and the Lorentz Transformation wrong?
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Undergrad Why Does Time Seem to Slow Down When Checking a Clock Mid-Tick?
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Graduate Can Humans Survive Near a Black Hole's Event Horizon?
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Graduate Creating Repulsive and Attractive Gravity
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Graduate Mass/energy as a condition of spacetime
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High School Gravity & Atraction: Questions about Earth's Orbit
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Graduate Final Clarification: Collisions in Special Relativity
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Graduate Is the Dual Basis in Minkowski Space Affected by the Metric Tensor?
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Graduate Constant Velocity Motion In Train Car
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Graduate Relativistic Effects on CMB and Cosmic Rays
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Graduate Constraints on speed of light?
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Graduate The Mystery: Accelerating Time in Strong Gravitational Fields
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Graduate Understanding the Difference Between One-Forms and Vectors in GR
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Graduate Gravitational mass vs inertial mass
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Undergrad Question about how the speed of light is constant
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Graduate Trying to generally understand Relativity.
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Graduate General Relativity Recorded Lectures
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Graduate Relativistic particle scattering
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Graduate How Can Local Theories in General Relativity Influence Global Topology?
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Graduate How Does Mass Transform into Momentum in Space Travel?
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Graduate How is time related to black holes besides time dilation?
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Undergrad Time dilation and the photon clock
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Graduate General & Special Relativity, Everyday Examples
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Graduate A room with a stronger gravitational force?
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Graduate Interactions of Moving Particles: Magnetic Fields and Experimental Results
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Graduate Relation between graviton and space curvature
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Graduate Is Travel to Parallel Universes Just a Myth or a Real Possibility?
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Graduate Is Gravitational Interaction Affected by Different Shapes of Bodies?
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Graduate Combining Time Dilation from velocity and gravity
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Undergrad Four Dimensions: The Key to Understanding Existence
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Undergrad Deriving the Michelson Interferometer Equation: d_m = (m[lambda])/2
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Graduate LTB Metric: Dimensions Explained
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Undergrad Traveling faster than the speed of light?
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Graduate What Happens When Continuity of Time and Space Breaks Down?
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Graduate Electromagnetic field in a medium
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Graduate Acceleration and Curvature: Understanding the Relationship
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High School Time dilation b/c of Gravitaional field strength
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Graduate Torsion tensor: Geometric interpretation
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Graduate History of theories of motion; the role of inertia
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Graduate Equation with Riemann curvature tensor
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Graduate Distinguishing Curved Space vs. Coordinate Choices in Mathematics
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