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 What is the role of Lie algebras in physics and differential equations?
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Graduate Metric, connection, curvature oh my
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Graduate The 14 postulates of Special Relativity
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Graduate Gravity: Constant or Increasing?
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Undergrad Is Mass Relative to the Observer?
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Graduate Space traveler and time dilation
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Graduate How come we say space and time when it should be space=time. You can
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Graduate Gravity time dilation in the Earth?
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Graduate Will LHC measure gravitational waves?
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Graduate Another what if Question concerning gravity
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Graduate Can Adding Spin to a Black Hole Create a Naked Singularity?
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Graduate Confusion with curved space analogies
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Graduate Kerr metric derivation (Adler, Bazin & Schiffer)
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Graduate What ‘Something is conserved’ means in curved spacetime?
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Graduate Question about relationship between quantum/relativistic physics
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Graduate Length Contraction (Dilation?)
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Graduate What is the physical significance of the energy triangle in particle physics?
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Graduate Can a Vanishing Ricci Tensor Prove Flat Space in Dimensions Higher than Three?
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Undergrad E=mc2 and Postulates to prove it
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Graduate What is the beggining of space time?
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Graduate Does moving through spacetime affect our perception of time and mass?
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Graduate Fletcher's Paradox - Lynds' Resolution or not?
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Graduate Motion in space due to space-time curvature
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Graduate Please explain General Relativity to me
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Graduate Drop a charge in a neutral black hole
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Graduate Speed Constancy of Light Implication
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Graduate Can one make inferences about what is inside a Black Hole?
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Undergrad Assignment of Variables Help | Speed Addition Eqn Explained
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Graduate Entropy and Black Holes: Understanding the Second Law of Thermodynamics
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Undergrad Angular momentum and the twin paradox
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Graduate Finding Ricci Scalar Constant Nonzero Line Elements
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Graduate Understanding 4-Momentum: Basics, Interpretation, and Conservation
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Graduate What Is Our Time Relative to Universe's Fastest: Big Bang?
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Graduate Question on Time | Hierarchy of Space & Time
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Graduate Why is energy-momentum tensor Lorentz invariant?
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Graduate Could the Twin Paradox Really Have Four Solutions That Sum to Zero?
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Graduate Local curvature of surface just outside Schwarzschild radius
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Graduate Relativity/Simultaneity - I understanding a few things?
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Undergrad Solving E=MC2: What Does C2 Imply?
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Graduate How to diagonalize a warped metric
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Graduate Explore Newton-Cartan Theory: Escape Velocity & Schwarzschild Metric
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Graduate Simultaneity of Events: Is It Possible?
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Graduate Is there evidence to support the existence of gravity waves?
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Graduate Trouble with Lorentz transformations
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Graduate The action of a particle point is [tex]\int ds = \int d\tau
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Graduate Proving Invariance of Spacetime Interval
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Graduate No Mass Objects: Can They Remain Stationary?
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Graduate The parable of the two travelers
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Undergrad Why is gravitational mass the same as inertial mass?
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Graduate Alice, Bob and Charge falling into Black Hole
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Graduate Covariant formulation of Coulomb's Law
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Graduate Resultant time dilation from both gravity and motion
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Graduate Gravitational force and acceleration in General Relativity.
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Graduate Traveling anywhere in the galaxy in your life time
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Graduate Is black hole existence relative to the reference system?
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Graduate The terms length contraction and time dilation
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Graduate Do gravity waves experience doppler effect?
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High School Is it time for a new approach to teaching physics?
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Graduate Echolocation, Relativity & Simultaneity: What Changes?
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Graduate EM vector potential - covariant or contravariant?
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Graduate Relative motion and time dilation
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Graduate We can not get back to our original position?
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Undergrad What is the relationship between latitude and the accuracy of an atomic clock?
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Graduate Newtonian limit of Gravitational Klein-Gordon Equation
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Graduate Spaceship trapped inside event horizon - serious flaw
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Graduate A question that probably has something to do with simultaneity
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Graduate Do Falling Observers Experience Blueshift Inside a Black Hole?
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Graduate Gravitational Length Contraction and Dilation?
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Graduate Diagrammatic Tensor Notation from the Beginning
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Undergrad Why does Lorentz contraction occur?
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Graduate Why Is the Rest Energy of a Hydrogen Atom Less Than the Sum of Its Constituents?
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Graduate When Will Two Test Particles Cross Paths in the Schwarzschild Solution?
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Graduate Does gravity vary with velocity?
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Graduate Invariance of spacetime interval
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Undergrad Are Gravity Waves Rare? Understanding the Elusive Phenomenon
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Graduate Is the tensor product T^ab T_ab non-negative?
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Graduate What happens to a laser pulse that is beamed through a gravity well?
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Graduate Lagrangian equation in special relativity
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Graduate What Is Gravity and How Does It Relate to Space-Time and Mass?
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Graduate Do Falling Particles in Schwarzschild Solution Radiate?
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Undergrad Travelers Live Longer: Proven by Physics
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Graduate Is there a true singularity in nature?
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Graduate Can one determine that an instrument is an accelerometer locally?
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Graduate Density in the friedmann equation
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Graduate Obtaining the Metric in a Boosted Observer Frame?
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Undergrad Possible to adjust light with magnetic field?
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Graduate Derivation of classical limit in c = 1 units (i.e. without cheating)
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Undergrad Self-rotating body with speed of light
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Graduate Gravitational Wave Detection: Understanding Interferometers
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Graduate Help with understanding Minkowski diagrams
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Graduate Rectilinear vs Curvilinear Motion: Explained
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Graduate Describing 4-vectors in space-time
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Graduate Mass Increase When Moving at Speed of Light?
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Graduate 'Direction' of space-time curvature ?
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Graduate How Does Changing Velocity Affect Inertial Frame Transformations?
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Graduate Length contraction and the direction of motion
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Graduate Opposite beams of photons or electrons
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Graduate A non-inertial frame is non-inertial with respect to what?
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Graduate What Happens to Rest Mass Objects from a Photon’s Perspective?
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Undergrad Travel time for a space ship at relativistic speeds
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