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 Question about GPS clock synchronization
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Undergrad Is there a physical explanation for the relationship between light and space?
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Undergrad Solving Confusion About Parallelograms in Curved Spacetime
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Undergrad Lorentz transformation in 2 dimensions
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High School Which frame of reference is the correct one?
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Graduate Intro to String Theory: Lightcone Gauge & Oscillators
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Undergrad Equations for observed distance/velocity in SR
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High School Exercise for Students: Incorrect Special Relativity Analysis
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High School How Does Speed Influence Time and Particle Decay in Einstein's Theory?
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High School Special Relativity Q: Choosing Light as Ref
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Undergrad Number of independent components of the Riemann tensor
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Undergrad Index Notation for Lorentz Transformation
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High School The perfect relativistic quantum particles simulation
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High School Relativistic simultaneity and symmetry problem
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High School If anyone here doesn't yet get the twin "paradox". .
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Undergrad Gravitational time dilation calculation near a Black Hole
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Graduate Find EM Potential from EM Tensor | Math Solutions
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Undergrad What is the most correct way to write a vector in GR?
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Graduate Distance from Black Hole to experience Time Dilation
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Undergrad Classical Newtonian Physics: Space & Time Independence
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Undergrad Deriving Weak-Field Schwarzschild Metric from LEFEs
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Undergrad Interactive Minkowski Diagram Tool
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High School Rotating Disks: Particle Movement & Spin
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Graduate Are Spacelike and Timelike Orthogonal: Mathematical Proof Explained
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Undergrad How Does Time Dilation Affect Jill's Perception of Jack's Clocks?
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Undergrad If Mass is relative, is "gravitational" mass relative?
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Undergrad Can time be compressed without affecting distance?
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High School Can Two Objects Exist in Each Other’s Past Simultaneously?
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Undergrad Clock Synchronization: Jack & Jill's View
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Undergrad Time dilation of a rotating disk
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Undergrad What Does Shankar Mean in Prof Shankar's Introduction to Relativity?
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High School Zeno's arrow paradox and general relativity?
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High School Magnitude of gravitational time dilation
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Undergrad Understanding Schutz's Geodesic Deviation Eq. 6.84
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Undergrad Gradient one-form: normal or tangent
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Graduate Can time be considered a direct function of movement?
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Undergrad Moving Clock: Lorentz Factor Calculation
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Undergrad Relativistic doppler shift and radar
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Undergrad Why would we need faster than light travel?
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High School Object A is moving relative to O , what does it mean?
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Undergrad Einstein's Train: Does Speed Exceed c?
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High School How Planetary Bodies Affect Space Time
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Undergrad Special relativity: frames of reference
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High School Ideal demonstration of time dilation
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Undergrad Radial Proper Dist. Objects Free Fall: Calculating Δs
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Graduate The formation of the event horizon.
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Undergrad What is Einstein's equation used for?
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High School Charged Black Hole Hawking Radiation: Answers to Questions
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Undergrad Myths of Modern Popular Physics
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Undergrad Question about deriving E=mc^2
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Undergrad Relativistic relative velocity
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Undergrad Symmetry of Liénard-Wiechert Potentials
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Graduate Time Dilation Test: No Deviation From Relativity Predictions Found
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Undergrad Test the Speed of Light: Traveling Toward a Strobe Light
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Graduate Four velocity with the Schwarzchild metric
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Undergrad Do most physicists believe time flows?
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Undergrad Thought Experiment Contradiction: Find the Answer
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Graduate How these notions relate to the usual SR approach?
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Undergrad Spinor Representation of Lorentz Transformations: Solving the Puzzle
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Undergrad Applications of Wedge-Product and Differential Forms
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High School Relativity Scenario Help: A Seeing B's Line Shorter or Longer?
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Undergrad Could it be that the photon has a non-zero mass?
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Undergrad Relativity of simultaneity, time dilation misunderstanding
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Undergrad Path of Photon in Free Falling Lift: General Theory of Relativity Q&A
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High School Second Opinion Needed: Time of Light Pulse Arrival
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High School What is the Worldline of a Quantum Particle Before and After State Reduction?
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Undergrad Constructing Vector in Another Basis
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Graduate Gravity of a Light Pulse: Relation to E/c^2
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Undergrad Calculating Gravitational Mass of Compressed Gas Cylinder
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High School Math Help for Advanced Simulation of Twin Paradox
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Undergrad Energy contained in fuel in speed of light ship
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Graduate How to Integrate the geodesic equations numerically?
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Undergrad Particle accleration under gravitational waves?
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High School An Interpretation of the Geometry of Space-Time Inside a BH
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Undergrad Query on basic mechanics of Special Theory of Relativity
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Undergrad Velocity Addition & Relativity of Simultaneity
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Graduate Show Spherical Symmetry of Schwarzschild Metric
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High School How Can Time Derivatives Be Taken in GR and SR with Orthogonal Basis Vectors?
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High School DeltaT of clocks at endpoints of a rocket post acceleration
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High School Visualizing GR Geometry: Software for Einstein Field Equations
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Undergrad "General Relativity" by Wald -- question
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Undergrad Help with infinitesimal transformation to finite transform
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Undergrad Force applied by a moving object
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High School Why should spacetime/manifold be smooth?
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Undergrad Gravity: Contraction of Space?
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High School Spacetime same size during Big Bang up to now?
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High School Another question about relativity: the force
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High School GR vs quantum vacuum Lorentz invariance
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High School Question about GR and Quantum gravity
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High School Michelson-Morley Exp: Surprise of Result
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Graduate Finding geodesics using the squared Lagrangian
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High School Einstein relativity is invalid
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High School Alien Perception of Time: Can Time Go Backwards?
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Undergrad Relativistic charged particle in a constant uniform electric field
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Graduate Alien Perception of Time - Can Time Go Backwards?
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High School Time Dilation, Interstellar Travel, and "The Forever War"
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High School Is Lorentz contraction explained by space time diagram ?
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High School Special Relativity: What Time is it?
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Undergrad Consequences of Rotating Objects C on Coil A Frequency
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Undergrad Error in Lorentz Invariant Integration
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