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 Geodesics in 4D Spacetime: An Overview
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High School Time Dilation: Accelerating vs Inertial Frame
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Undergrad How Does the Metric of a 4-D Spacetime Define Its Symmetry and Expansion?
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Undergrad Measuring the Speed of Light: Time of Flight Experiments
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High School Any interest in a spacetime diagram generator?
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High School General Relativity: Finding Info on Interpretation
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Undergrad Solving Special Relativity Problem w/ Two Spaceships
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Undergrad Connecting Geodesic Curves and the Covariant Derivative
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Undergrad Conservation of energy-momentum (tensor)
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Undergrad Spacetime Curvature: Eliptical Orbital Paths & Keppler Laws
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High School Big Rip Theory & Black Holes: Relativity Explained
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Undergrad Covariant derivative of tangent vector for geodesic
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Undergrad Implication of length contraction
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Undergrad Is my reasoning about commutators of vectors right?
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Undergrad Is there a zero-mass, vacuum Schwarzschild GR solution?
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Undergrad Schwarzschild metric not dependent on time
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Undergrad Contravariant Vector Transformation in Spherical Polar Coordinates
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Undergrad Parallel transport of tangent vector....(geodesic)
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Undergrad Perturbation to Flat Space Metric: Geodesic Equation
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High School Solving an Integral on a Spherical Surface - Tips
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Graduate Riemann Tensor Notation Explained | Choquet-Bruhat GR
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Undergrad Speed of Light Measured by Jupiter's Moons: Error 26%?
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High School Rocket Sends Light to Mirror: Event A to Event C Diagram
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High School Can event horizons cross for passing black holes at high speed
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Undergrad Confusion about Simultaneous Events in Relativity
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Undergrad Bending of light - Newton vs. Einstein
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High School Converting between frames of reference
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High School Newtonian vs. Relativistic momentum
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Undergrad Frame Dragging Effect vs Spin Orbit Coupling in GR
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Undergrad Schwarzschild: Energy Conservation at Finite r
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High School Time Dilation Problem with Mesons
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Graduate Foliation of spacetime into spacelike hypersurfaces
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Undergrad Inertial Ref: Can Light Photons Be a Privileged Frame?
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Undergrad Books on Spacetime Hypersurfaces & Foliations of Space Time
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Undergrad Is Absolute Position Necessary to Understand Relativity?
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Insights Solving Einstein's Field Equations in Maxima - Comments
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Undergrad Gamma in Brans-Dicke framework
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Graduate Killing vectors corresponding to the Lorentz transformations
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Undergrad Symmetric Connection: Does Torsion Vanish?
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Undergrad What are the metric components in the Brans-Dicke action?
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Undergrad GR: Electric & Magnetic Effects - Consequences
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Undergrad Einstein-Hilbert Action, Lagrangian Density & Vacuum Fields
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Undergrad Relativistic mass and gravitational potential
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High School Presentation of mass as a physical quantity
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Undergrad Acceleration of a relativistic particle
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Undergrad Is this answer about Lorentz transforms correct?
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High School Time Dilation and thermal motion
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Undergrad Allowed fields in General Relativity
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Undergrad Uniqueness theorems for black holes
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Undergrad Invariance of timelike Killing vector of Schwarzschild sol.
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Undergrad Can the Lorentz factor be modified for non-inertial frames?
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High School Spacetime curvature due to acceleration causing gravity?
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High School What is the relationship between time and 1D space?
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Undergrad Cosmological Constant Term in Einstein Equations
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Undergrad General Relativity rocket puzzle
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Undergrad What happens to the energy lost by photons in gravity?
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High School Is the Space with Ricci Scalar Zero Flat?
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Undergrad Gravitational wave interference
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Undergrad Question about the limits of space contraction near light speed
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Undergrad Is Simultaneity in Einstein's Thought Experiment a Matter of Perspective?
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Undergrad Calculating Acceleration of Gravity w/ Geodesic Deviation: Troubleshooting
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High School How did Einstein come up with the thought of a space fabric?
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Undergrad Legendre Transform: Momentum & Velocity
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Undergrad Massive Particles in Sonic & Slow Light Black Holes
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High School Impression of relative velocities
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Undergrad Photon Timelessness: Does It Exist?
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Undergrad Energy Density & Mass Density: Explained
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Undergrad About spacetime coordinate systems
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Undergrad Any direct evidence of gravitational mass increase?
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Undergrad Speed of Light in Materials: Explained
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High School "Spacetime Physics" by Taylor and Wheeler
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High School 4 four momentum energy component direction
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Undergrad Falling electric dipole contradicts the equivalence principle?
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Undergrad Why Are Maxwell's Equations Invariant Across Reference Frames?
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High School Solving the Kerr metric in the program Maxima
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Undergrad What does coupling mean in physics?
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Undergrad Paradox: Rocket ship moving in a circle
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Undergrad Energy Tensor Gradients: ∂βTμυ
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Undergrad Allowed transformations in General Relativity
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Undergrad What do we mean when we say something transforms "under"....
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High School What am I Missing Here? Play from 3:00
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High School Satellite Clocks: General & Special Relativity Time Variations
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Undergrad Gravitational Time Dilation: Radius & Clock Rate Variation Explained
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Undergrad Does Special Relativity Deal with Non-Inertial Frames?
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High School Can we truly understand the concept of time?
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Undergrad Why Do Lorentz Transforms Look Like This?
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High School Muons traveling to Earth, time dilation question
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High School Hawking Radiation and Shrinking Black Holes
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High School Sun Time vs Earth Time: Lorentz Transformations?
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Undergrad Harnessing Energy from Black Holes: Possibility or Fantasy?
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Undergrad Extended Twin Paradox: Explaining Time Lapse and Symmetry Principle
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High School Solve FTL Problem with Faraday Cage and Relativity Theory
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Undergrad How Do David and John Experience Proper Time Differently in Special Relativity?
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Undergrad Can Gravitational Waves Affect Light Wavelengths?
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High School Can Curving a Space-Cone Create a Black Hole?
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High School Relativistic Mass-Energy: Charge & Particles
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High School Gravitational Redshift and its effects on Photon
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High School Is Spacetime Truly a Finished Block or an Open-Ended Concept?
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Undergrad Acceleration Frame Dependency - General Relativity
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Undergrad Calculate mass from time dilation
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