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.
Undergrad Doubt in Michelson Morley experiment
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Undergrad When Should You Use Relativistic Equations Instead of Classical Ones?
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Undergrad Does the Speed of Light Change When Measured from the Sun?
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Undergrad Length Contraction oes the object or travel distance shrink?
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Undergrad What is the use of time dilation.
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Undergrad Basic Findings of Special & General Relativity
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Undergrad C FOR Loop Paradox: Unraveling the Mystery
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Undergrad The Lance Duel Paradox: Who Will Win?
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Undergrad Does Light Speed Up Near Black Holes?
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Undergrad What is the simplest way to explain general and/or special relativity?
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Undergrad How we know which mass would be heavier.
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Undergrad Is the Speed of Light Truly Constant in Deep Space?
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Undergrad GRT: Can Identical Objects Orbit Center of Gravity?
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Undergrad Einstein's train thought experiment
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Undergrad Correct definition of time dilation
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Undergrad SR Problem: Calculating Angle of Tilt of Moving Bar
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Undergrad Changing magnetic field creates potential difference
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Undergrad Newton's law of gravity or Einstein's general theory of relativity?
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Undergrad Moving faster than light cannot stop biological aging Or can?
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Undergrad How to understand gravitational potential
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Undergrad Meaning of E=mc^2: Are Mass and Energy the Same?
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Undergrad How Does the Twin Paradox Affect Aging in Space Travel?
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Undergrad Relative velocities and the speed of light
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Undergrad Schwarzschild Radius Explanation?
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Undergrad Speed of Light vs Speed of Pool Ball Momentum
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Undergrad Question about terminology: ch = cosh?
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Undergrad Mechanics: Change of Reference Explained
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Undergrad Space and the velocity of light
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Undergrad Special relativity and time dilation
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Undergrad Are the transformations just observed ones or real ones?
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Undergrad Does space (distance) between two bodies contract according to SR?
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Undergrad What If the Speed of Light Were Just 1000 km/h?
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Undergrad Question about time and measurement
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Undergrad How Einstein proved equation about speed
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Undergrad Time Measurement: How Is Time Measured?
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Undergrad Does E=mc^2 apply to the proton
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Undergrad General relativity lectures by leonard susskind on youtube
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Undergrad Things that happens simultaneously
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Undergrad Special relativity using inertial frame moving at 1/2u
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Undergrad How does gravity distort time?
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Undergrad Understanding Light Speed: A Neophyte's Question Answered in Simple Terms
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Undergrad Text(s) for Relativity for Poets course?
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Undergrad Does Light Have Mass or Not?
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Undergrad Einstein's SR a description of observations or a description of realit
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Undergrad Same Speed for Ball Thrown from Moving Car?
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Undergrad E = mc^2, so how can anything have zero mass?
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Undergrad Comparing Newton and Einstein - Who is Correct?
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Undergrad Confused with Special Relativity
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Undergrad What is the significance of this equation on my t-shirt?
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Undergrad Explanation of expanding universe
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Undergrad Equivalence Principle: Einstein's Dilemma
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Undergrad Time dilation and length contraction
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Undergrad Running at Different Speeds: Who Experiences Time Differently?
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Undergrad Einstein's Theory: What Happens to Humans at 300,000 km/s?
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Undergrad Does time control light speed?
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Undergrad What Would the Universe Look Like While Traveling Close to the Speed of Light?
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Undergrad Galaxies Rotate Fast: Gravitational Lens Effect
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Undergrad Can a String Travel Faster than the Speed of Light?
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Undergrad Photon's Point Sized Universe or plane sized?
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Undergrad Do Forces Change in Magnitude at High Velocities?
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Undergrad Non-rotating or rotating Metric
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Undergrad Building a measurement system based on C
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Undergrad Question about Michelson Morley experiment
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Undergrad How much energy does it take to reach relativistic speeds?
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Undergrad Why is the speed of light constant?
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Undergrad Why is 299,792,458 m/s the speed of light in a vacuum?
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Undergrad Mach's Principle: What Is It & How Can I Understand It?
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Undergrad Need help in a time dilation question (high school)
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Undergrad GRE Prep: Simultaneity Questions - Answer: No, Never
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Undergrad How Can an Ant and a Melon Explain Time-Space Theory?
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Undergrad How is light speed constant and in all directions ?
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Undergrad Weight of Fast Rotating Gyro - Does Angular Velocity Increase Weight?
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Undergrad Thought experiment of relativity
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Undergrad Gravitational Constant (Big G I think)
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Undergrad Lorentz transform low velocity limit
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Undergrad What are the accepted theories for the source of gravity?
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Undergrad How Does Time Dilation Affect Clocks at Different Speeds?
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Undergrad Caught Between Two Gravitational Fields
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Undergrad Speed of Gravity: 299792458 m/s?
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Undergrad Observer S' on a rocket vs an observer S on Earth
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Undergrad Does Energy Gravitate? A Check of Understanding
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Undergrad Why is light the fastest possible speed
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Undergrad Gravity at its maximum range question.
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Undergrad Special relativity and stars' masses
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Undergrad *If* the ISS is freely falling, doesn't that mean it's following
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Undergrad Group velocity and phase velocity of a matter wave
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Undergrad Confusion with Michelson-Morley Experiment
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Undergrad Two questions about Special Relativity
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Undergrad Photons Affected by Pseudo Forces | Hyperspace by Michio Kaku
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Undergrad What is a joule, when you calculate relativistic energy?
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Undergrad Analysis of Doppler Effect - Seeking Validation/Criticism
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Undergrad Does time effect slowed light or not?
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Undergrad Understanding Length Contraction in Relativity: Explained and Analyzed
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Undergrad Perceiving light/lighspeed (question)
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Undergrad Time Dilation Explained: T=T(P)*γ Example
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Undergrad Good books on both Relativities
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Undergrad Time Dilation Equation: Clarifying Variables
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Undergrad Is Speed an Illusion in Physics?
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Undergrad Question Regarding Perception of Time
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Undergrad Einstein notion of time and the oscillation of the cesium atom
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