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 Faraday's law of induction and special relativity
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Graduate Is is not that Simple? (about Lorentz transforms)
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Undergrad Can Time Contract? Physics Teacher Bet
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Graduate What is Physical Significance of Lorentz Transforms ?
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Undergrad Time Dilation: Gravity & Speed Effects
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Undergrad Understanding Aether: What is it and What Does It Do?
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Undergrad GPS & Relativity: Experiments & Simulations
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High School Gravity: A Mystery of Attraction or Repulsion?
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Graduate How Does Proper Time in Radial Free Fall Differ from Newtonian Predictions?
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Graduate Understanding the Sagnac Effect in GPS Systems: Explained
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High School Is Relativity Too Complex for Young Students to Grasp?
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Graduate How Is Relativistic Mass Measured Indirectly in Physics?
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Graduate Current Sagnac Effect Theory: PF Viewpoint
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Graduate Does gravity function as a lens, a prism or both?
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Undergrad Why Can't Photons Have Rest Mass?
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Graduate Does a relativistic rolling ball wobble?
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Graduate Gravity: A Dual Role as a Lens and a Prism for Light?
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Graduate M&M, Trouton-Noble, Disintegrating Particle, etc
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Graduate Revisiting the Concept of Time for Photons: Insights from the Elevator Analogy
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Graduate Why does the second postulate specifically refer to c?
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Graduate Why is the idea of Aether being attached to Earth questioned?
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Graduate Solving Friedmann's Dust-Filled Equation for Radial Geodesics
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Graduate Sign convention in the space-time 4-vector
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Graduate Twins Paradox and acceleration
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Undergrad What Is Einstein's Geometric Model of Gravitation?
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Undergrad Photon Kinetic Energy: Wavelength & Frequency
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Graduate Discuss events which are simultaneous in one frame?
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Graduate Do Black Holes Really Exist or Does General Relativity Contradict Itself?
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Graduate Why are tensors important in general relativity?
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Graduate Why is the speed of light the same to any observer?
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Graduate Understanding Special Relativity: The Train Example
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Graduate Can Relativity Explain the Effects of High-Speed Motion on Gravity?
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Graduate Is time, inside an event horizon, time-like or space-like?
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Graduate Does General Relativity Challenge the Conservation of Energy?
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Graduate Twin Paradox: Can Age Asymmetry be Achieved on Earth?
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Graduate Travel Faster Than Light: Going Back in Time?
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Graduate Divide by Zero: Lorentz Transformation Explained
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Undergrad OK FINE, magnetism is explained away by relativity
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Graduate Can the Ricci Scalar Depend on Spacetime Coordinates?
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Graduate Does Lorentz Factor Appear in General Relativity?
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Graduate Is black hole entropy invariant?
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Graduate Retarded Time Solutions for Non-Homogeneous Wave Equations
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Graduate Understanding Relativity: A Blind Man's Perspective on Time and Physics
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Graduate Electron Velocity vs Field Strength?
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Undergrad Does Mass Increase as Velocity Approaches the Speed of Light?
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Graduate Gyroscope Axis Observed 45 Deg to X,Y Plane - How is This Resolved?
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Graduate Unveiling the Observations of a Spinning Disc Approaching Light Speed
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Graduate Gravitational Flux in Black Holes: Can it Escape the Event Horizon?
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Graduate Wheel Experiment: Investigating Relativistic Wobble
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Graduate General Relativity as a non-Abelian gauge theory
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Graduate Why do objects appear to shrink as they approach the speed of light?
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Graduate Do Photons Experience Relativity Effects?
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Graduate John Wheeler's Legacy: Einstein v. Wheeler's Black Holes
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Graduate What experiments are lined up to test gravity
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Graduate Is Space Truly Homogeneous and Isotropic?
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Graduate Defining Inertial Reference Frames in General Relativity
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Graduate Particles travelling faster than the speed of light?
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High School Why is the Equation E=MC2 Significant in Relativity and Energy Equivalence?
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Graduate Lorentz Transforms - Understanding Time Dilation & Velocity Slope
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Graduate Force & Acceleration: Can a Frame be Accelerated without Force?
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Graduate Another length contraction paradox
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Graduate Combination of Michelson/Morley and Time Dilation
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Graduate Laser Measurement and Velocity Determination in Moving Containers
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Graduate Understanding Gravity: The Curvature of Spacetime Explained
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Graduate Definition of an Inertial Frame
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Undergrad Can Mass Be Transformed Into Energy?
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Graduate Calculating the travel time in relativistic travel
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Graduate Relativistic thermodynamics controversy?
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Graduate Travelling to the Nearest Star and Time Dilation
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Graduate Spaceship Observations in Relativity: A Newbie's Question
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Undergrad Understanding Velocity: The Perspective of Fish in a Tank
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Graduate Pervect's discussion re photon/light perspective/reference frame
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Graduate Orbital Light Speed: Is it Possible?
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Graduate Inertial frames and Parity symmetry
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Graduate Synchronised Clocks in Motion: Einstein's Method and the Observer's Experiment
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Graduate Can a Particle Accelerator in a Space Ship Reveal Its Motion?
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Graduate Can galaxies recede from us at velocities greater than c?
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Graduate Measuring Lorentz Contraction: Is it Real or Just an Illusion?
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Graduate Differentials - is this valid or just sloppy but right?
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Graduate How Does Gravity Affect the Elasticity of Space and Time?
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Graduate How Can Clock Synchronization Be Achieved in a Moving Spaceship?
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Graduate Circular Orbits of a Black Hole
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Graduate Constructive criticism please.
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Graduate How Does Space-Time Curvature Affect Light Near Black Holes?
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Graduate Why do balls follow curved paths in Earth's gravity according to GR?
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Graduate Do Black Holes Capture and Display Objects Indefinitely?
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Graduate General Relativity and the Moon's orbit.
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Graduate General relativity in 1+1 spacetime dimensions
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Graduate Twin paradox in an empty universe
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Undergrad Long planet and Galileo thought experiment
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Graduate Photon's perspective - we are one photon
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Graduate Opinion/discussion/advice on a simple thought experiment please
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Graduate Possible quantum implications of GR?
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Graduate A problem with light speed constancy
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Graduate Two oposite beams and earth and rocket again
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Graduate The Force of Gravity: Instantaneous or with a Delay?
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Undergrad From The Suns Core to The Corona?
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Graduate How Does Earth's Motion Affect Our Understanding of Local Time and Space?
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Graduate Two Kerr Black Holes: Possible or Impossible?
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Graduate What are some examples of dynamical systems in General Relativity?
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