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 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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High School What Theories Explain the Black Hole Paradox?
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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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High School Math-Based Time Dilation Paper: Seeking Suggestions
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High School Questions about the relativistic kinetic energy expressions
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High School How do physicists know that the past is immutable?
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High School Time Perception: Is It Different from Time Dilation?
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Graduate Energy distribution on Alcubierre walls
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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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High School Tidal Forces When Falling into a Black Hole
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High School Observing a Beacon Impact a Neutron Star/Event Horizon
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Undergrad If time doesn't pass at the event horizon, how is it crossed?
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High School Can Closed Timelike Curves Violate Entropy by Allowing Time Travel?
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High School Do Open Timelike Curves Exist?
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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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High School What would happen if the speed of light were different?
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High School Closed Timelike Curves vs Time Loops: What's the Difference?
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Undergrad Transforming Contra & Covariant Vectors
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High School Is it possible to experience time loops?
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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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High School Deriving Energy and Momentum in GR: 4-Component vs. Tensor Approach
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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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