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 Point particle in scalar potential
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Graduate 'Crossing' speed: Lemaitre vs. 'dropped' observer
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Graduate Why does light not reach any distance instantly?
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Graduate Full Lagrangian for Electrodynamics: Find ##\mathcal{L}_\textrm{matter}##
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Graduate Open-Source Book on Special Relativity - Free Download
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Graduate How Does 4-Acceleration Differ in General Relativity Versus Special Relativity?
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Undergrad The universal gravitational constant (G)
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Graduate Stability of Closed Time-Like Curves: Current Status?
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Graduate Why Can't We Apply Euler-Lagrange Directly to the Electromagnetic Lagrangian?
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Graduate Lagrangian density for continuous distribution of matter
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Graduate Is Weyl Curvature Present in Interior Spacetimes?
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Graduate Does Time Dilation Occur for Both Twins in the Twin Paradox?
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Graduate Does the speed of light change with the age of the universe?
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Graduate Generel Relativity Force or Affect in Space Time
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Graduate Why a constant determinant of the metric?
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Graduate Quick & Short Question on General Relativity
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Graduate Can Empty Space Curve? FRW Cosmology Equations Explored
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Graduate Conservations law or equations of motion, and other constrains
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Graduate Symmetrical motion and resolving differences in FoR
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Graduate Differences in Presentation of Ordinary Partial Derivatives of Tensors
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Graduate Maxwell's equations from divergence of stress-energy tensor?
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Graduate What is the Lorentz invariance of flux in the stress-energy tensor?
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Graduate Is length contraction real or just a matter of perspective?
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Graduate Why does v = 0 in the Lorentz Transformation equation?
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Graduate Metric in SR: \eta^{\alpha \beta}=\eta_{\alpha \beta}?
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Undergrad Can relativistic mechanics explain the concept of force?
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Graduate Why Curved Space Affects Satellite Orbit: The Role of Newtonian Force
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Graduate What is intuitevely the field part of GR equations?
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Graduate Direction of field line transforms like direction of a stick
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Graduate Equivalence Principle: Paper on Internal Observer Effects
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Graduate How to determine extension of a pseudo-Riemannian manifold
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High School Why is E=mc² Essential in Understanding Energy and Mass?
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Graduate The Anthropomorphized Time Traveling Paradox.
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Graduate How Does a Spinning Disc Appear at Near-Light Speeds?
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Graduate Can an Odometer Measure Relativistic Distance?
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Graduate What is intuitively the source of the gravitational field?
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Graduate Camera on Spacecraft Moving Near Speed of Light
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Graduate E=mc^2 in a gravitational field
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Graduate Applications of the acceleration four-vector
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Graduate Is Gravitomagnetism Covariant and Are There Any Alternative Approaches?
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Graduate Is energy of gravitational waves negative?
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Undergrad Problems with Proper Length and Proper Time in SR
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Graduate Invariant Spacetime Interval for Classical Spacetime
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Graduate Hall's solution for Mercury's precession
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Graduate Stress energy tensor for fields
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Graduate Potential energy and mass/energy equivalence
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Graduate Understanding the Consistency of the Speed of Light for All Observers
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Graduate How does the definition of a second affect timekeeping on Earth and Mars?
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Undergrad Gravitational Time Dilation: What is R in the Equation?
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Graduate Infinite Time Dilation at the Surface of a Black Hole?
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Graduate Generic Local Electromagnetic field - MTW Ex 4.1
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Graduate Gravity and the curvature of space-time
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Graduate The Belinfante_rosenfeld tensor
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Graduate Assuming only rest mass as source of gravity and real observations
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Graduate How Do You Transform Electromagnetic Dipole Moments When Boosting Orthogonally?
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Graduate Relativistic effects of a current carrying wire
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Graduate Is temperature an invariant in Special Relativity?
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Graduate Add Velocities: Equation for Spaceships Going 99%c
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Graduate Is pressure an invariant in Special Relativity?
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Graduate The faster you go the sooner you get there - maybe
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Help with AIP Journal Article: JMP 8.2
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Graduate Light Clock Confusion in Special Relativity
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Graduate Electromagnetic rod shortening
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Graduate Understanding Gravity: Mass, Size & Curvature
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Graduate Kinematics of Relativity: Deriving Dilation Time
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Graduate Rod shortening of General Relativity
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Graduate Solve GR Equations with Regular Method
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Graduate Radar distance Rindler observer
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Graduate Who will see the light first O or O’?
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Graduate Spinning Moving Objects: Angular and Linear Momentum
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Graduate Is there an aether to determine if an object rotates?
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Graduate Breaking the speed of light limit.
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Graduate Understanding the Equivalence Principle and Einstein's Curved Spacetime
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Graduate Why is the invariance of light a problem?
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Graduate Does a Photon See a 2D Universe?
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Graduate Twisting of a rotating cylinder
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Graduate Could High speeds create a black hole?
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Graduate Curved Spacetime & Inertial Motion in General Relativity
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Graduate Reading on a scale inside a train
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Graduate The notion of weight in relativity
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Graduate Can relativistic mass be a useful concept
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Graduate Understanding Relativistic Velocities in a Simple Two Body System
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Graduate What happens when you fall in an evaporating black hole?
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Graduate Annihilation of electron positron pair
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Graduate Simple special relativity mistake - find i can't
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Undergrad Everyday applications of relativity
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Graduate How to construct stress-energy tensor for a system?
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Graduate Transformation of the metric tensor from polar to cartesian coords
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Undergrad Reason for a black hole's gravity?
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Undergrad What Is the Energy of Black Holes and Why Is It So Mysterious?
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Graduate The Unruh Effect and Expansion of the Universe
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Undergrad Why things cant go speed of light?
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Graduate Kretschmann Scalar: Physical Significance & Invariants of Riemann Curvature
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Undergrad Length Contraction Affect on Mass: Physics Explained
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Graduate What is the Symmetry of the Ricci Tensor?
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Graduate Why is the speed of light the same for all observers?
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Graduate Stress-energy tensor & mass term in metric
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Graduate Einstein's Theory of Relativity: Can Wormholes Exist?
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Graduate Interval ds^2 on Rotating Disk - Explained
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Graduate Can physics describe a massive photon?
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