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 Gravitational redshift and time dilation
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Graduate Why is invariant interval invariant?
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Graduate Can Relativity Help Create a Powerful Energy Generator?
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Graduate Wormole and reactionless drive
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Graduate Local detectability of frame-dragging
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Graduate Does the Heisenberg Uncertainty Principle Affect Relativity Calculations?
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Graduate Einsteins gravity theory (bending space) question
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Graduate Solving Tensor Integration on a Unit Sphere: Help Needed
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Graduate Question about equivalence principle
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Graduate Matrix Formalism of GR: Good References for Writing Equations
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Graduate The Grand Father paradox is flawed.
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Graduate Continuous application of Lense-Thirring precession: flyby anomalies
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Graduate Slow clocks on moving body is an illusion?
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Graduate How is the -(ct)^2 term in Minkowski metric conceived?
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Graduate Fractal Nature of Gravitational Forces
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Graduate What is the law of reflection in special relativity?
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Graduate How is mass density affected by speeds near c?
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Graduate Length contraction in Lorentzian relativity
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Graduate Faster than the speed-of-light
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Graduate General Question about Gravitational Potential & General Relativity
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Graduate Confusion about a laser shining perpendicular to a moving inertial frame
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Graduate Is this idea of time travel consistent with relativity?
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Graduate Gravitational redshift and time dilation
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Undergrad Did Gravity Impact the Time Travel of Sergei Krikalyov?
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Graduate Calculating Final Velocity of Matter into Black Hole Event Horizon
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Graduate Time Dilation Formula: Clarifying Confusion
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Graduate Principle of Least Action - Straight Worldline on a Geodesic
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Graduate Trying to understand the Why or Relativity.
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Graduate Slowly add mass to a neutron star till it collapses.
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Graduate Bivectors, Cartan Geometry and Curvature
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Graduate Relativistic Acceleration Contradiction
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Graduate [Special relativity - Mathematical background] Tensor and pseudo-tensor
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Undergrad Relativity & Mass Increase: Is it Just a Momentary Expansion?
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Graduate 45 dergree mirrors in Special Relativity
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Undergrad Is this an Ill-posed Question?
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Graduate Energy Density of the gravitational field
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Graduate What is the Role of the Cosmological Constant in the Expansion of the Universe?
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Graduate Anti-matter black-hole, matter black hole, different?
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Graduate How Does Relativity Affect the Length of Spinning Circles at High Speeds?
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Graduate Expanding universe and light detection
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Graduate Wormhole Time Machine: As Time Goes On
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High School Why is light travelling in straight line? (see restrictions)
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Graduate Is Time a Testable Dimension in Science?
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Graduate Acceleration in an inertial worldline?
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Graduate Explanation of Wiki regarding Geodesics as Hamiltonian Flows:
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Graduate Four-vector from 3 space components?
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Graduate I'm learning about relativity and, by extension, the classic
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Graduate Doing General Relativity with Cartesian coordinates?
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Graduate Light Cones | QM: Understanding the Cone Shapes & Events Outside the Light Cone
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Graduate Reciprocal Lorentz Contraction Mismatch
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Graduate Calculating Time Dilation and Simultaneity in Special Relativity
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Graduate Gaussian Co-ordinates-background and derivation
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Graduate Is black hole elementary particle?
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Graduate Speed of light vertical and horizontal in gravity
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High School Travelling In A Straight Line In Space
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Graduate What is the Orientation of Lightcones in a Kerr Ring?
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Graduate Time Dilation and/or Kinetic energy the same/different?
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Graduate A Few General Questions About Special Reletivity
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Graduate Radius of Universe, electrons, and strings.
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Graduate A few questions about the Lorentz factor
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Graduate What is the speed of light in gravity?
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Graduate How Does Relativity Influence Musical Octaves?
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Graduate Does Special Relativity Affect Clock Synchronization on a Moving Spaceship?
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Undergrad Relativity and Inertia - An Exploration
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Graduate Are Both Coordinate Systems in Special Relativity Considered Inertial?
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Graduate Does Empty Space Reflect Einstein's 4D Space-Time Curvature?
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Graduate The speed of gravitational field propagation
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Graduate Linearized Gravity: Why & How Does it Follow?
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Graduate Say gravity were larger, matter burns faster?
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Graduate Is a scalar field incompatible with the Principle of Equivalence?
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Graduate Value of c and strange things that don't happen when at c
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Graduate How many people understand General relativity by Enshtein?
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Graduate How are watches syncronized
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Graduate Special Relativity Velocity Addition: Vector or Axis?
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Undergrad Catching a Train: Physics & Possibilities of Hitchhiking
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Graduate Understanding Length Contractions and Time Dilation
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Graduate Meaning of Lorentz Transformations purely mathematically ?
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Graduate Relativistic Vectors: Opposite Direction Assumption
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Graduate Caltech Gravitational Wave theory - videos included
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Graduate Spinning tornado wheel - circumference and radius
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Graduate Temperature during black hole collapse
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Graduate Kruskal and Penrose diagrams for a Minkosky spacetime
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Graduate Simulating electron beam - what equations to use?
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Graduate Do Photons Produce Gravitational Fields?
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Graduate Derivation of momentum & energy formulas
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Graduate Derivation of E=mc2: Examining Einstein's Theory
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Graduate How the universe looks like at the speed of light
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Black Hole Animation: Find Trustworthy Links for Astronomy Presentation
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Graduate Invariant Tensors in GR and SR
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Graduate What is time, and can it be changed?
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Graduate We can't determine who is moving?
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Undergrad Has anybody read this book on relativity?
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Undergrad Does Hubble's law implies accelerated expansion?
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Undergrad Conservation of Mass: Is It True?
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Graduate Lorentz Transformation Vector Form Formula
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Undergrad Explaining the Inverse Square Law of Gravity
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Graduate Why Does Traveling at High Speeds Affect Aging Compared to Staying on Earth?
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Graduate A deviation from General Relativity on cosmic scales
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Graduate Time Dilation Paradox (variant distance between two accelerating bodies)
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Graduate Light in the box gravity - question.
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