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 Attempting to Understand Alcubierre
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Graduate Interaction Energy how does it transform between inertial frames?
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Graduate A Serious Question from an Educated Layman
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Graduate Ellis on an evolving block universe (gr-qc/0605049)
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Graduate How Do Particle Physicists Measure the Relativistic Energy of Tardyons?
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Graduate What is the dimension of the spacetime interval?
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Undergrad Gravity Explained: Why Objects Fall
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High School What is a Simple Explanation of General Relativity for High School Students?
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Graduate Penrose Diagram for Schwarzschild
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Graduate Question on Spatial Curvature: Laser Experiment on a Spaceship
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Undergrad Is Matter Just Another Form of Energy in E=MC²?
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Graduate See-saw problem in special relativity
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Graduate Aether theories which are experimentally indistinguishable from SR.
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Graduate What is the Gravitational Acceleration Beyond the Event Horizon of a Black Hole?
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Undergrad Can gravity bend the path of light?
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Graduate Relativistic momentum definition
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Graduate Can We Measure the Elusive Gravitational Waves?
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Graduate Can Approaching the Speed of Light Prohibit Time Travel?
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High School Photon and electron racing show
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Undergrad Hypothetical Question. Creating Gravity and power supplies
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Graduate Could black holes be the key to time travel and the Big Bang?
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Undergrad Understanding Newton's Laws in Non-Inertial Reference Frames
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Graduate How does light travel at a constant speed without mass or inertia?
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Graduate What Are the Absorption Peaks of Gravitational Radiation Passing Through Earth?
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Graduate Mass in Relativity: Bucherer's Experiment Result
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Graduate Can an object become a black hole by reaching 99.9% the speed of light?
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Graduate What is the D'Alembert operator
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Graduate Challenging Einstein? New Model of Space & Time
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Graduate A quick question on the twin paradox (quick I promise)
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Undergrad Could Time Travel Create Extra Matter and Energy in the Universe?
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Graduate Explain to me how a sphere can exist in higher dimensions?
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Undergrad Understanding the Twins Paradox: Time Travel and Relativity in Space
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Graduate Understanding Accelerated Motion in Relativity
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Graduate Can SR be derived from other postulates than the constancy of c
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Graduate Conservation laws and relativistic dynamics
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Graduate How Does Time Dilation Affect Thermal Equilibrium in Gravitational Fields?
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Graduate Curvature without tidal forces
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Graduate Twin Paradox: Earth-Twin vs Space-Twin Aging
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Graduate What is the optimal speed for interstellar travel?
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Graduate What Are Your Thoughts on Dual Meanings in Physics Terminology?
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Undergrad Light Barrier: Breaking the Speed of Light?
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Graduate Is K in Bondi K Calculus Constant Due to Homogeneity and Isotropy of Spacetime?
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Graduate Mass of Photon: Is 0 Rest Mass Possible?
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Graduate Why Do Velocity & Momentum Equations Need Revision?
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Graduate Non-Rotating Charged Black Holes: Mass, Electric Field, & Quantum Charges
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Graduate Why is there a k in Bondi k calculus?
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Graduate Can Photons from a Laser Distort Space-Time Like Massive Objects?
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Undergrad Time Travel Questions: Does Age Change with Speed?
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Graduate How Do Killing Vectors Affect Geodesic Deviation?
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Graduate When the photon is born on the horizon .bang?
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Graduate Energy, momentum, & mass of a box of moving particles
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Graduate What Is the Orbital Period for Circular Orbits Around Black Holes?
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Undergrad Potential energy contributes to the mass
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Graduate Time an Illusion? Einstein Explains Why According to Relativity
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High School What is the exact definition of mass?
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Graduate Here's the way to go faster than light
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Undergrad Reaching the Speed of Light: Can We Achieve C?
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Graduate Understand Mach's Principle: What does it Mean?
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Graduate Understanding Gravitational Waves & Self-Taught GR
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Graduate Can We Really Time Travel by Exceeding the Speed of Light?
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Graduate Lightspeed: does the definition of time make it constant?
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Graduate How to show something transforms as a covector?
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Graduate Photon Mass: Is Student Learning Misleading?
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Check Out This Link - A Puzzling Argument
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High School Why is light's speed the fastest speed?
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Graduate Man Running on a Train: Clocks and Velocity
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Graduate Is Lorentz Contraction Real in the Frame of Reference of a Moving Object?
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Graduate About the geometry of general relativity
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Undergrad Uncovering the Mystery: Slowing Time on a Plane Explained
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Graduate Can objects catch up with their own photons?
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Graduate Anisotropy of the speed of light?
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Graduate Curved Space Model: Explaining Gravity & Magnetic Force
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Undergrad C vs. Fiber Optics: Speed Comparison and Myths Debunked
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Graduate How can magnetic field be a relativistic phenomenon?
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Graduate Slowing Photons: A Look at Light Speed Rockets & Measuring Slower Speeds
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Graduate Two speed of light experiments at different altitudes
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Graduate Final Theory and Orbital Mechanics
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Undergrad Do Photons Have Mass and Kinetic Energy?
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Graduate What will happen to time if we travel away from Earth at 0.9999c?
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Graduate Can two galaxies receded from one another faster than C?
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Graduate Consistency of the speed of light
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Graduate How Quickly Does Gravity Propagate?
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Graduate Palatini Formalism generalizes GR to include degenerate metric?
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Graduate Gravitational Equivalent of Magnetic Field Measured in Lab
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Undergrad How does a body escape its gravitational field?
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Graduate Relative Speeds and the Limit of Light
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Graduate Derieving relativistic electrodynamics equations
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Graduate Can Muon Decay Experiments Disprove the Existence of an Absolute Time Frame?
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Graduate Is Relativity an Illusion or Reality?
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Graduate What is the Flaw of General Relativity Regarding Uniform Gravitational Fields?
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Graduate Teaching Special Relativity: Balancing Theory, History, and Experimentation
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Graduate Velocity of Light in Accelerating Spaceship & Inertial Frames in GR
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Graduate Gravity & Geodesics: How the Earth Maximizes Proper Time
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Undergrad The Science Behind Time Dilation: How Does Time Stop at the Speed of Light?
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Graduate Could the expansion of space impact the distance between the Earth and the sun?
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Undergrad Discover the Method to Derive E=mc^2 - A Comprehensive Guide
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Graduate Geodesics in schwarzschild solution
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Graduate Gravitational Field of a Spinning Mass: Exploring the Math
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Graduate Perspective of Massless objects
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Graduate Weight of Hot Body: Balance in Thermal Equilibrium?
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