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.
Thought Experiment on ToR postulate-1
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Schwarzchild solution and orbit precession
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Gravity and Photon Relationship: Understanding Red and Blue Shift
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How to get inverse Lorentz tranformation from direct Lorentz transformation
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Relativity: Inertial vs. Coordinate Systems Explained
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High Energy Gamma Rays Go Slower Than the Speed of Light?
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Can SR Postulates 1 and 2 Be Derived from Each Other?
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Understanding Time Dilation: How Fast Do You Have to Go?
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Does Heating a Battery Affect Its Weight and Energy Storage?
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How can empty space expand? (Reality behind the GR equations.)
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Special Relativity GRE Question
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Special relativity - observing spinning objects
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Michelson- Morley's experiment
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Reference frames for photon collisions
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What is the gauge group of general relativity?
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Gravitational Interaction of Relatively Moving Bodies: Does Aberration Apply?
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Why do like charges and poles repel in the long run?
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Mass & Gravity of Photon at Light Speed
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Derivation of Lorentz Transformation
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Relativistic De Broglie Relation
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Reforming Society's Perception: The Relativity of Age in Relationships
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Help with a thought experiment.
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Silly question about special relativity
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Simple lorentz trans. question
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Relativity: The Most Beautiful Theory in Physics
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Photons and Relativity: A Question of Speed and Time
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Relativistic Orbits: Can Mass Increase Keep Planets Together?
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Why doesn't DEceleration add mass as well?
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Electric field and gravitational field
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Is there something special about standing on a planet?
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How Would Gravity Behave with a Four-Component Mass Current as Its Source?
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What Does "Twin B Being 3 Years Younger" Mean? An Explanation from My Cousin
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What Happens to Time on a Moving Vehicle?
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Group velocity and speed of information
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What kind of a bomb? answer:the exploding kind.
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Changing of one of the previous topics
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Speed of Light vs Refractive Index: Does It Violate Relativity?
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The runner on the train paradox.
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Spacetime - it warps, it curves, but can't expand?
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Why can't a photon exceed the speed of light?
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Special relativity & length contraction
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What Happens to Time When Traveling Near the Speed of Light?
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Can someone give me a good plausible answer
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Tensors: Lorentz vs Galilean invariance
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Is the Universe a Spiral Cone Leading to a New Big Bang?
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What is the Meaning of 4-Momenta and How is it Used?
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Is There Physical Significance to Imaginary Dimensions in Space-Time?
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Understanding the Relationship Between Moving Electrons and Magnetic Fields
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Electric / magnetic field transformations
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Modern Physics: Center of Momentum Speed
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Distance & Relativity: Does Light Experience Distance?
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Experimental proofs of increase of mass with v
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What Happens at the Event Horizon of a Black Hole?
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Thought Experiment - Measuring speed of light
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How Do We Know Gravity Is A Force?
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Variations, Euler-Lagrange, and Stokes
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Understanding the Robertson-Walker Metric with Curvature Normalization
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Dr. Robert Forward's curvature gradient detector
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Does Light Travel Differently in Einstein's Train Experiment?
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How to measure the lack of external force during free fall?
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Does the shape of the curve, that is produced in space by a mass, have a name ?
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Time does not run slower or faster
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Approximation of the FE feat. loose notation
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Infinite Acceleration: What Happens at the Speed of Light?
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Phantastic Photons: Rate of Light Emission & Laser Images
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Twin Paradox: Is Time Speeding Up?
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Is inertia relative or absolute?
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Time Dilation: The Traveller's Perspective
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What Mathematical Knowledge is Needed to Understand Einstein's Field Equations?
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Speed of photons inside a very powerful gravitational wave
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Simple Lorentz transformation. Are there objections
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Understanding Schutz's "Invariance of the Interval"
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What Is the Linear Form of the Lorentz Transformation Equation?
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Understanding Speed: The Science Behind Movement and Its Limitations
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Magnetic field, frames of reference
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Dark Energy as a Gravitational Field?
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Relativity and space travel - what's the problem?
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Is time an illusion, or is it a fundamental aspect of our universe?
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Can a Ferris Wheel Spin Faster Than Light?
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Understanding Relativity: Explaining the Speed of Photons in a Head-On Collision
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Noobish question on time dilation
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On the way to showing that LT is linear
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When sun is gone, gravity of light, which one faster?
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Do Photons Experience Gravitational Red Shift?
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Universe Expansion: Is There a Cycle?
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Time gap between explosions in moving frame of reference
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General relativity vs quantum field theory
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Does the sum of the mass of two bodies vary with the distance between them ?
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  • Poll Poll
Causal paradoxes - how to solve them?
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Max Frequency at the Speed of Light: Clarifying a Puzzling Concept
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Speed of Theoretical Wave: Constant Regardless of Frame?
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Gravity ficticuous force because it's relative to mass?
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Help: Lorentz transformations with and without thought experiments
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Photon Acceleration: From 0 to c in Zero Seconds?
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Is a 2004 Discovery About Physics Still Relevant Today?
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Time Dilation and Biological Aging
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Superconductors and Gravitomagnetism
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Speed of Light always remains constant ? think again.
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Space-Time Curvature: Sun & Earth Pulled Together with Equal Force
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Lorentz Transformation Explained: What Is It?
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