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 Curvature and Geodesics in Space-Time: A Question on Photon Paths
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Undergrad Does every piece of information in the universe have mass?
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Graduate Stupid question about page 70 in a first course in GR
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Graduate How can we accurately measure the relative velocity between two moving bodies?
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Graduate Near Light Velocity: Can Distances Shorten & Universe Appear Flattened?
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Graduate Global Positioning System and Relativity
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Graduate Question on Penrose diagram for Schwazschild metric
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Undergrad Can a Michelson Interferometer Detect Gravitational Waves on a Small Scale?
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Graduate A possible question concerning the photon
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Graduate The curvature cause by gravity implies absolute space?
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Graduate Is there a maximum doppler shift?
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Graduate Physical Interactions over Great Distances
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Undergrad Is Matter Simply a Form of Energy?
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Graduate Relativity of Simultaneity and Length Contraction in Observing Lightning Strikes
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Graduate Is it Possible to Determine the Temperature of Space-Time?
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Undergrad Spacetime and problem of 4th dimesion.
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Graduate Does the Rod Appear Shorter to Person A When Travelling Near c?
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Graduate Energy-momentum conservation equation
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Graduate Lorentz transformation and lorentz-Einstein transformations
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Graduate The Lorentz Transformations and vector components
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Graduate Killing's equation from infinitesimal transformation
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Graduate Einstein Hilbert Action
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Graduate Killing vector in kruskal coordinates
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Sign Conventions: A Cultural Study
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Graduate Is space infinitely divisible?
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Undergrad The Length of Pendulum Strings: Motion Effects
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Undergrad Understanding Time Dilation in Special Relativity
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Graduate Relativistic addition of velocities without lorentz transformations
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Graduate Gravitational Wave Detection Project Help
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Undergrad Dynamic Mass of Photon: E=mc^2 & hv
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Undergrad Is Space Infinitely Divisible?
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Undergrad Does Space Have Mass According to Einstein's Theory?
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Graduate Three symbols i can never understand in relativity tesbooks
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Graduate Gravito-Electro-Magnetism problem
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Undergrad Can Gravity Near a Black Hole Allow Time Travel?
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Graduate How Can the Principle of Extremal Aging Be Demonstrated?
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Undergrad Maybe im onto something or i dont have a clue what im on ablout
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Graduate Double gravitational potential energy paradox
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Graduate Have absolute gravitational singularities ever formed?
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Undergrad Square Root in Special Relativity
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Graduate What is Alice Law's unique take on gravity and relativity?
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Graduate Special and general relativity resources
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Graduate If an observer accelerates he must rotate in space-time?
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Graduate Redshift/blueshift and time dilation
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Graduate Is the momentum of a massive particle traveling at the speed of light zero?
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Graduate What is Special Relativity based upon?
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Graduate Transformation equations presented in a different way
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Graduate Problem understanding relativistic momentum
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Graduate Radar echo and clock synchronization
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Graduate Proving the Invariance of the Spacetime Interval: Importance and Applications
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Graduate Explaining Mass of Particles Traveling at Speed of Light
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Graduate 'Gravitoelectromagnetometrics' software
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Graduate Do Photons Gain Infinite Mass at Light Speed?
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Graduate Trouble Understanding GRT & Space-Time Attraction
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Graduate Is the Twin Paradox More Confusing When Moving in One Direction?
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Graduate How Does Force Work in Special Relativity?
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Graduate Relativistic Momentum: Mass, Time & Distance
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Graduate Some relativity questions for coleagues
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Graduate Mass transported at speed of light
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Undergrad Understanding Galilean Transformation: A Troubleshooting Guide
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Undergrad Combined velcoities of earth's rotation and revolution + sun + galaxy
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Graduate Michel,Have you ever heard of relativistic elasticity?
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Graduate What Are the Dimensions and Wavefunction Characteristics of a Photon?
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Graduate Can Photons Really Influence the Curvature of Space-Time While Traveling?
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Graduate Do photons have mass in a closed waveguide filled with electromagnetic energy?
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Graduate Proper accelerations and rigid bodies.
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Graduate Is clock synchronization compulsory
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Graduate Is Simultaneity Relevant in Intergalactic Communication?
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Undergrad Calculate Gravitational Time Dilation: Step-by-Step Guide"
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Graduate How are fiber bundles and associated vector bundles used in physics?
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Graduate Time Measurement: Vibration of Photon vs Atom
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Graduate Interpreting the Einstein stress-energy tensor T_ab
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Graduate Derivation of the Equation for Relativistic Momentum
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Graduate Does a Photon Have Spatial Dimensions?
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Graduate Is Proper Time a Relativistic Invariant?
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Graduate Dispersion and Dichroism in Gravitational Fields
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Graduate Acceleration is not in direction of force
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Graduate Does the expansion of spacetime affect gravitationally bound object?
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Undergrad Non Geodesic Motion: Definition & Explanation
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Graduate Time dilation and expansion in accelerated motion
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Graduate Did the Formalont-Kopeiken Experiment Prove Einstein's Prediction?
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Graduate Is Very Special Relativity Challenging Traditional Physics?
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Graduate Photon Momentum and Energy: A Smooth Transition to a Tardyon's Properties?
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Graduate A very interesting post by Lubos Mott
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Graduate Analyzing a Physics Paper: Seeking Clarity on the Validity
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Graduate Is E=mc^2 Truly a Relativistic Concept?
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Graduate Why is the Wikipedia article about Bell's spaceship paradox disputed at all?
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Undergrad Can Electromagnets Instantly Communicate Across Light Years?
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Graduate How Does Motion Affect Mass and Electric Fields in Different Inertial Frames?
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Undergrad Index notation vs Dirac notation
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Graduate Smooth deformation of a Lorentzian manifold and singularities
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Graduate Understanding Lorentz Representations and Their Corresponding Identities
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Graduate Are Observers on the Plane of Simultaneity Experiencing Events Simultaneously?
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Graduate Linearity of the Loentz transformations
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Graduate From 'the fabric of the cosmos'
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High School Mass increases with acceleration ?
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Graduate What Physically Causes Time to Progress and Vary in Different Places?
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Graduate How Does Feynman's Sum Over Paths Explain Photon Trajectories?
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Graduate Can the Order of Events Change in Different Frames of Reference?
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Graduate How can we visualize gravity in 4D spacetime?
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