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.
High School Question on Schwarzschild Geometry
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High School Is the gravitational force higher than it should be?
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Undergrad Deriving Lorentz from time dilation and length contraction
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High School Accounting for the constant speed of light
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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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High School Special Relativity Self-Contradiction?
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Undergrad How Does Time Dilation in Special Relativity Affect Clock Synchronization?
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High School How is energy conserved in General Relativity?
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High School Momentum in special relativity
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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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Undergrad Velocity of Particle vs Inertial Frame Velocity
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Undergrad What is the role of the longitudinal rapidity in relativistic contexts?
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Undergrad The Definition of Redshift for Photons
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Graduate Time dilation in a magnetic field
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Undergrad Solving Lorentz Contraction Question: What went Wrong?
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Undergrad Is Mathpages the Best Resource for Understanding GR?
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Undergrad Einstein's unidimensional elevator and Rindler coordinates
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Undergrad Easiest possible way to derive the Lorentz transformation
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High School Prove Lorentz Factor w/o Speed of Light
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Graduate Can You Have Rest w/o Energy? Schwarzschild vs. Rindler Metrics
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Undergrad Is Velocity Through Spacetime Always Equal to 'c'?
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Undergrad Space & Time Axes Coinciding: Consequences Explored
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Graduate Schwarzschild Singularity & Black Hole: Same or Different?
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Undergrad A variation of the twin paradox
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Undergrad Understand Twin Paradox, Leading Clocks Lag & Doppler Effect
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Undergrad Twin Paradox: Travel at Fractional Speed & Instantly Return ##v##
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High School Accelerating Expansion of Cosmos: Measured in Multiple Directions?
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Undergrad Lorentz Symmetry at Black Hole Event Horizon
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Undergrad Relativistic Simultaneity: A Thought Experiment
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Undergrad Index placement -- Lorentz transformation matrix
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High School Space Curvature & Potential Energy
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Undergrad Einstein's Equivalence Principle: Freely Falling Local Frames
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Undergrad Coordinates for diagonal metric tensors
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Undergrad Gravity Propagation: How Does Time Affect Orbital Modeling?
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Undergrad Mass/Density Increase in Motion: Relativistic or Observable?
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Undergrad Energy stored in space-time or space?
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Undergrad What is the mechanism by which energy/stress curves spacetime
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Undergrad What Happens to Objects When the Higgs Field is Negated?
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Undergrad The light from Mercury, the Sun's corona and gravity
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Undergrad Uniform gravity's space-time curvature
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High School Confirmation of c as Invariant Speed in Our Universe?
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High School Gravity in Hollow Shell: Nonadditivity and Relativistic Self-Interaction
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High School Photon Travel: Is Our Universe a Single Point?
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Undergrad Constancy of the speed of light
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High School Special relativity - frame of reference
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Undergrad Detecting Gravitational Waves & Alcubierre Drive
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Undergrad GR in Milky Way: Approximating an Inertial Ref Frame?
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High School Solve Relativistic "Bug on Band" Problem
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Undergrad Time Dilation: A & B's Age Difference
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Undergrad Would Relativistic Effects Exist Without an Ultimate Speed?
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Undergrad The Potential: Harnessing Energy to Create Mass and Possibly Universes
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Undergrad Do black holes accumulate neutrinos?
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Undergrad Does an Electron's Field Expand at c Upon Spontaneous Creation?
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High School Inertial Objects: Acceleration & Direction
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High School Lightning Flash Intensity & Color Shift for Moving Train Observers
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Undergrad Number of Solutions of Einstein Field Equations w/ Zero Pressure
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High School Effects on Area Outside Wormhole: Radiation, Magnetic Field, Anomalies
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High School Relativistic Physics: Gravitational & Inertial Mass
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Undergrad How does the speed of light affect clocks?
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High School Can an observer perceive he is traveling faster than light?
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High School Multiple Curves in Space-Time: Masses on a Trampoline
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Undergrad How does the motion of colliding billiard balls change under Special Relativity?
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Undergrad Calculating Velocity: Moon Around Earth & Clocks in Burj Khalifa
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High School Gravitational Time Dilation: Math Formula for Clock-Slowing Factor
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Undergrad Hash marks on minkowski diagram
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Undergrad Derivation of Rindler Metric and How It Resolves the Twin Paradox
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Undergrad Does the Invariance of Proper Time Lead to the Lorentz Transformation?
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High School Black Holes Collide at 0.999c - What Happens?
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Undergrad Is There a Preferred Direction in Time?
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Undergrad Non-inertial reference frames question
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Undergrad SR Light Wavelength & Direction: Questions Explained
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High School Refined Interpretation of Relativity of Simultaneity?
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Undergrad Time Dilation Explained: Feynman Lectures 15-4
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High School What if light were influenced by gravity?
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Graduate Momentum calculation of a rotating rod
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High School Light Speed: Questions from a Layman
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Graduate Constructing Bondi Coordinates on General Spacetimes
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High School Time Travel into the Future: What Would Be the Reason?
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High School Find a Virtual SR Globe App - SiennaTheGr8
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Undergrad How certain are we about black hole mass density?
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Undergrad Question about length contraction
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Undergrad Understanding Black Hole Entropy: Consistency Across Reference Frames
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Undergrad Why did Einstein considered it “evident”?
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Undergrad Does a Photon Carry Velocity of Its Source?
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Undergrad Symmetry Group Freedom: Choosing How Groups Act on Coordinates
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Undergrad Length Expansion Opposite Direction: SR Simultaneity Explained
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Graduate General Relativity Book Recommendations
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High School Gravity Power: What Gives It the Ability to Accelerate Objects?
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High School Do single moving charges create magnetic fields, why?
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High School Help with constant acceleration under special relativity
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Undergrad Relative Simultaneity: Free Resources to Help You Understand
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Undergrad Massless Electron Compton Scattering: Energy of Outgoing Photon
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Undergrad Which Calculation Is Correct for Meteor Evasion Time in Spacetime Physics?
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Undergrad Why do we need to modify GR with theories like F(R) ?
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High School Time & Limit Velocity (Speed of Light)
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