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 Why Do Lorentz Transforms Look Like This?
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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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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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Undergrad Acceleration Frame Dependency - General Relativity
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Undergrad Calculate mass from time dilation
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Undergrad Find Tangent Vector to Curve in 2D Cartesian Coordinates
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Undergrad Contravariant derivative of tensor of rank 1
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Undergrad Coordinate Change & Gravity: A Schwazschild Metric Analysis
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Undergrad Riemann Tensor: Questions & Geometric Interpretation
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Undergrad Measuring Charge & Angular Momentum in Black Holes
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Undergrad The Commutator of Vector Fields: Explained & Examples
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Undergrad Varying The Relativistic Action
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Undergrad Why is √(gμνdxμdxν) the Lagrangian for Geodesic Eq?
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Undergrad Doppler like effect affecting observed time for a moving object
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Undergrad Second Derivative of Time Dilation Equation
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Undergrad Minus sign in Minkovsky´s metric
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Undergrad Inhomogeneous Wave Eq. & Minkowski Spacetime Interval
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Undergrad Simultaneity on a moving train
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Undergrad Gravity in General Relativity: Explaining Acceleration
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Undergrad Zero Gravity Near a Black Hole?
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Undergrad Detect Negative Mass Matter: Experiments in Solar System
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Undergrad Negative Mass & White Holes: Does It Create?
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Undergrad Is a clock on the equator time dilated?
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Undergrad Orbital Simulator with general relativity
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Undergrad How does everything move at C through spacetime?
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Undergrad Lorentz Transformation in One-Dimensional Space
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Undergrad Maximally extended Schwarzschild spacetime
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Undergrad Einstein's Elevator: Gravity vs Acceleration
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Undergrad Time Before Big Bang: Relational Dynamics & Singularities
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Undergrad Find E' in FLP Volume 1 17.4: Why Does It Work?
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Undergrad Locally inertial reference frame problem
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Undergrad What is the canonical form of the metric?
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Undergrad Can two inertial frames differ by the speed of light?
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Undergrad Solve General Relativity "Paradox" w/ Automatic Diff. ODE Solver
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Undergrad Understanding the Relative Velocity Paradox
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Undergrad Computer Performance Evaluation (CPE)
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Undergrad Why is the Energy Momentum Tensor of a Perfect Fluid a Tenso
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Undergrad Do we have to accept the physical existence of time?
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Undergrad Einstein & Relativity: Metric, Tensor Fields, Scalar Product
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Undergrad Confusion about Einstein notation
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Undergrad Solve General Relativity Equation: Steps & Tips
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Undergrad EM Lagrangian: Question on $(\partial_\mu A^\mu)^2$ Term
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Undergrad Favorite Visualization of General Relativity?
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Undergrad Connection between entropy and time travel?
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Undergrad Is the Speed of Light Bidirectional in an Expanding Universe?
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Undergrad Acceleration vs Gravity in General Relativity
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Undergrad Escape Velocity: Newtonian vs Relativistic
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Undergrad Why Not Develop Relativistic Gravitational Theory Analogy to Electromagnetism?
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Undergrad Killing Equation: Why Set g_μν,ρ V^ρ = 0?
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Undergrad Lorentz Transform of E and B: Considerations by DJ Juggernaut
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Undergrad Time dilation for the Earth's orbit around the Sun
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Undergrad Gaussian normal coordinates and Riemann normal coordinates
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Undergrad Proving Geodesics in Hyperbolic Geometry
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Undergrad Connection Types: Affine vs Non-Affine
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Undergrad Gravitational Effects on Age of Earth's Core
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Undergrad Bijectivity of Manifolds: Can m≠n?
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Undergrad Why are direct sums of Lorentz group representations important in physics?
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Undergrad Displacement vector in general relativity
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Undergrad Time dilatation thought experiment
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Undergrad Newtonian analogue of energy-momentum relation?
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Undergrad Motion of Null, Timelike & Spacelike Particles
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Undergrad Why Don't We Detect Gravitational Shadows?
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Undergrad Measuring Star Radii with General Relativity
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Undergrad Are wormholes and tachyon fields unified?
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Undergrad Writing Metric in Matrix Form: Method?
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Undergrad Convert Metric Tensor to Gravity in GR
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Undergrad Does S-T Curvature Change Particle Shape?
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Undergrad Are All Particle-Rest Inertial Frames the Same?
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Undergrad Is current in a wire frame-specific?
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Undergrad Is energy-momentum invariant and/or conserved?
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Undergrad How Many Gravitons Were Detected in Recent Gravity Wave Observations?
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Undergrad Electric & Magnetic Fields Inside Conducting Wires
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Undergrad Quantum Mechanics in Spacetime: Is it Discrete?
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Undergrad GR vs Newtonian Physics: Mass Curving Spacetime & Gravity Effects
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Undergrad Modern Definition of Mass: Does a Photon Have It?
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Undergrad Inertial Frames: Constant Quantities?
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Undergrad Is Mathematics a Paradigm of Truth in General Relativity?
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Undergrad Can Black Holes Store More Information Than We Think?
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Undergrad Black Hole Stability Conjecture: Why Is It Important?
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Undergrad Intuitive explanation for Riemann tensor definition
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Undergrad Why is Displacement Current Excluded from Four-Current?
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Undergrad Deriving Lorentz Transformation
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Undergrad Gravitational time dilation derivation
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Undergrad If time doesn't pass at the event horizon, how is it crossed?
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Undergrad Weyl Transformation of Metric: Cosmological Inflation
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Undergrad How do you draw a spacetime diagram and what equation describes it?
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Undergrad Transforming Contra & Covariant Vectors
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Undergrad Is the Schwarzchild Radius Relativistic or Newtonian?
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Undergrad Detecting Crossing Event Horizon w/ "Closed Box" Experiment
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Undergrad Deriving Lorentz from time dilation and length contraction
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Undergrad Do objects appear heavier if they run over a scale very fast
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Undergrad Lorentz Transformation: Explaining Invariance of c?
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Undergrad How Does Time Dilation in Special Relativity Affect Clock Synchronization?
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Undergrad Can Atoms & Baryons Exist Inside a Black Hole?
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Undergrad Visual effect in special relativity
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Undergrad Relativity and Electromagnetism
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Undergrad Get Relation from Stress-Energy Tensor Def.
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Undergrad Do electrons radiate when in free fall?
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