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 Uncovering the Mystery of Hidden Momentum in E&M
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Graduate Classic or General Relativity: Photon in Gravitational Field
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Graduate Time-dialation and light clock
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High School Do we live in 3 or 4 dimensions?
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Graduate What are the equations for a massless particle's worldline?
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What do black holes look like?
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Graduate Confirm: Smooth Twin Paradox Intuition
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Graduate Ehrenfest's Paradox: Resolving the Kinematical Solution
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Graduate 3 questions regarding velocity and the speed of light
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Graduate Unraveling the Implications of Simultaneity in Special Relativity
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Graduate Photon frequency in different inertial frames
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Graduate Interpret Relativistic Momentum: Facts & Popular Opinion
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Graduate Is gravity a force, or the curvature of space?
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Graduate What are closed time-like curves and how are they related to General Relativity?
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Undergrad Is Speed an Illusion in Physics?
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Graduate Is Time Slowing or Are Processes Slowing Near High Gravity and Speeds?
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Undergrad Question Regarding Perception of Time
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Graduate How do we know space and time are related?
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Graduate Relative Velocity: Jack & Particle - v to V
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High School Gravity at Earth's Center: Does Weightlessness Follow?
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Graduate Ricci tensor of the orthogonal space
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Graduate Can time be stopped in special relativity?
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Graduate Definition of isometry in components form
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Graduate Reference frames, reference particles, coordinate systems and all that
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Graduate Photon Mass and Momentum: Train Experiment
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Graduate Gravitation in General Relativity.
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Undergrad Einstein notion of time and the oscillation of the cesium atom
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Graduate Local Lorentz Frames: Definition & Context for GR
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Graduate Does Special Relativity Predict Zero Acceleration in Free Fall?
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Graduate Outrunning Light; how quickly will light catch up with you
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Graduate Events in Relativity: Can Simultaneous Occurrences Exist?
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Graduate Minkowski diagram, what does observer see.
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Graduate Curvature of Spacetime: Is the Universe Flat or Curved?
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Graduate Thomas Precession, Angular Momentum, and Rotating Reference Frames
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Graduate Father-Son Paradox: Explaining Time Dilation
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Graduate Can we truly understand motion through spacetime?
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Graduate Any in depth explanations on why near lightspeed affect aging?
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Graduate Is there always the same amount of spacetime curvature in the uni.?
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Graduate Gravity is different - infinite energy stored
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Graduate Partitioning Mass in GR: A Cautionary Tale
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Undergrad What keeps the planets in orbit
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Graduate Gravity exerted by a fast moving object versus stationary object?
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Graduate Lorentz transformation matrix applied to EM field tensor
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Graduate Geometric Description of Free EM Field
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Graduate Timelike Killing vector field and stationary spacetime
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Graduate E=MC^2 Mass and Energy, synonymous?
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Graduate Why do we move at the speed of light?
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Graduate Is there really no answer to what gravity is?
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Graduate Need Intuition Behind Expansion of Smaller Structures in the Universe
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Graduate Wrong signs Ricci tensor components RW metric tric
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Graduate Is the Speed of Light Tied to the Plank Distance and Time?
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Graduate Energy left of body falling down to Schwarzschild radius
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Graduate Spherically symmetric spacetime
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Graduate Why there is a minus sign in the Killing's equation
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Graduate Special Relativity, four-momenta questions.
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Undergrad Seeking clarification on red-shift
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Graduate Help with time-space diagram equations.
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Undergrad Why things like relativity and evolution aren't called laws?
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Graduate Understanding Proper Time Concept in Relativity: Clock Readings and Observers
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Graduate Deriving Invariant Distance in Space Time: Pythagorean Theorem
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Graduate Are classical models of electrons with spin limited by the speed of light?
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Undergrad Does the law of universal gravity exist?
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Graduate Question about spacetime curvature
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Graduate Are all objects crossing the event horizon travelling at C?
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Graduate How many independent components are there in the Einstein equations?
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Graduate Velocity & Gamma Factor of Proton
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Graduate Why Don't Earth and the Moon Emit Gravity Waves Like Neutron Stars?
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Graduate Is there a minimum mass for black holes?
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Graduate Time Dilation Video Feed Experiment
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Graduate A perfectly flat bucket of water?
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Graduate Can Affine Parameters Be Used to Describe Null Curves in GR?
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Graduate The Modern Geometric View of Black Holes
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Undergrad Confused on how to calculate invariant interval.
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Graduate What is Minkowski Space and Its Role in Understanding Relativity?
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Undergrad Why measuring one-way trip impossible?
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Graduate Does Velocity or Acceleration Determine the Energy of a Moving Object?
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Graduate Question about value of the metric tensor and field strength
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Graduate What Ingredients Can Make an Observer?
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Graduate Is the Cosmic Microwave Background an Absolute Frame of Reference?
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Graduate Is spacetime independent of its universe?
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Graduate Time Dilation Thought Experiment
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Graduate Is a Universal Clock Possible? Answers Here
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Graduate Speed of light and relations to mass
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Graduate What math do you need to know to solve EFE
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Graduate When is something Lorentz invariant.
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Graduate Anisotropic instead of isotropic metric deriving acceleration
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Graduate Understanding Classical Fields in General Relativity
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Graduate The Arc of Space Curvature: Large and Small
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Graduate Understanding the Minkowski Metric: Explained Step-by-Step for Beginners
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Graduate Energy shift in a photon passing by a gravitational well
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Graduate Can the No-Interaction Theorem Coexist with Relativistic Particle Dynamics?
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Graduate The ratio between temporal lengths is frame-invariant
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Undergrad Is this an acceptable way to describe gravity
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Graduate Deriving Relations in Relativistic Mechanics: dE/dt = dm/dt?
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Graduate I'm standing on a black hole, is light approaching red or blue?
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Graduate Relation between coordinate time and proper time
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Graduate Relativity Paradox – RoS: Trains, Tunnels & Guillotines
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Graduate Redshifting of forces in stationary space - times
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Graduate Principle of relativity hypothetical question
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Graduate Can Light Travel Faster When Moving Towards It?
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