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 If a absolute point would exist, still relativity theory would be valid
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Graduate Rotating black holes, causality and time travel ramble
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High School Do things move in uniform motion in real life?
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Graduate Acceleration through PD, relativistic momentum
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Graduate Can pressure cause gravity in a box of light?
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Graduate Falloff behaviour of light vs gravitation
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Graduate Another two ships relativity question
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Graduate Calculation of an integral with retarded time
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Graduate Minimum safe distance to black hole
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Graduate Temperature in different frames
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Graduate General Relativity, is gravity a force?
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Discussion of Inertial Frames of Reference
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Graduate Is Space the Key to Understanding Everything in Physics?
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Graduate Mass of Higgs & Relativistic: Is it Comprised of Both?
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Undergrad Why force due to gravity or gravitation cannot be measured.
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Undergrad Kinetic Energy approximation both Einstein's and Newton's
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Time Stasis Chamber: Potential Tech in Near Future?
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Graduate Mathematical Axioms of General Relativity
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Graduate What Paradox of Simultaneity Did Feynman Challenge Us to Explore?
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Graduate Observation from Single reference frame and STR
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Graduate Why is this idea on addition of velocities in SR wrong?
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Undergrad Speed of two spaceships relative to each other observed by an earth observer
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Graduate Gravity: force or space-time curvature?
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Graduate Radial expansion of the universe and the speed of light
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Graduate Special relativity implies very odd results
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Graduate Why nothing about acceleration?
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Graduate Velocity of a photon from its own reference frame
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Graduate Why extremal aging, not just maximal? (for an inertial body in spacetime)
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Graduate Large black holes and information
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High School Does relativity have any day to day life applications?
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Graduate Physical meaning of tensor contraction
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Undergrad Is the Milky Way galactic blackhole slowly sucking us in?
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Undergrad Why does time slow down the faster you go?
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Graduate What is the relationship between the Higgs boson and gravity?
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Graduate Quick question about curvation of spacetime
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Graduate Non-Tensors in GR: Affine Connections & Christoffel Symbols
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Graduate Difference between Newton & GR
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Graduate Spacetime, physical or not really?
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Graduate The Validity of Force and Point Particles in Special Relativity
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Undergrad E=mc^2, but nothing can travel faster than light?
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Undergrad Understanding the Relationship Between Gravity and Light
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Graduate Gravitational Redshift really verification of GR?
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Graduate Twin Paradox: Solving Confusing Explanations
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Graduate The Speed of Light & Gravity: Varied Across the Universe?
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Graduate Energy in two different frames
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Graduate Understanding the Speed of Light and Its Measurement
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Graduate How do I go about learning GR?
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Graduate Can Forces Be Interpreted as Christoffel Symbols in General Covariance Contexts?
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Graduate Wormholes aren't ruled out in the wonderful universe of relativity
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Graduate Questions regarding relativistic momentum
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Graduate C maximized in its own direction, so v > c possible ?
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Graduate Particle Lifetime in Gravity: Experimental Evidence?
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Graduate Time, Light, and Relativity: Photons from the Past
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Graduate We can travel faster that light?
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Graduate Alternate derivation of Lorentz Trans.
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Undergrad At what speed would one day = one year?
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Graduate Analogy between centrifugal force and gravity
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Undergrad What if something went faster than light?
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Graduate Where Do 2nd Order Terms in Gauge Transformation Come From?
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Graduate Photon interaction with gravity.
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Graduate How can the rest observer conclude the photon travels at an angle?
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Graduate Antimatter time dialation/singularities
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Graduate The effect of external masses on internal black hole geometry
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Graduate Relativity, ultimate rigidity and the speed of light.
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Graduate Does General Relativity actually explain gravity?
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Graduate Some questions about time dilation (muon etc.)
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Graduate Understanding The Twin Paradox
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Graduate What is the result of this laser/time dilation scenario?
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Graduate Solving the Geodesic equations for a space
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Graduate What Does the X-vt Formula Reveal About Coordinate Systems?
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Graduate What is time? Simply & Factually
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Graduate Matter Lagrangian for perfect fluid
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Graduate Can a star be seen approaching a black hole forever?
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Graduate How is the Riemann tensor proportinial to the curvature scalar?
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Graduate Understanding the Four Momentum of a Photon in General Relativity
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Graduate CERN: Accelerating Particles to 99.99% Speed of Light
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Graduate The nature of causality in special relativity (not faster than light travel)
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Undergrad How does speed affect time in Einstein's theory of relativity?
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Graduate The relativity of time and defining the age of the universe
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Graduate Time Dilation at Center of a Neutron Star
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Graduate If an electron falls into a black hole?
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Graduate Does Gravitational Time Dilation Affect Planetary Geology?
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High School Measuring a Rod in a Running Train: Why?
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Graduate Relativity interstellar travel question
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Graduate Infinite speeds would defeat time keeping
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Graduate How to find that the universe is expanding from general theory of relativity
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Graduate How Does Time Dilation Affect Aging in Moving Frames?
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Graduate Do Lie and Covariant Derivatives Relate in Vector Field Manipulation?
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Graduate Changes in mass and length at high speed
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Graduate Please explain these Equations in GR, Modified Universal law of Gravity.
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Graduate What is the significance of velocity in relativistic electromagnetism?
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Graduate Initial conditions for BH in GR
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Graduate What is an invarient observable in GR
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Graduate The set of Lorentz boosts and space rotations form a group
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Graduate Painleve chart for FRW spacetime
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Undergrad Observing and Experiencing Speed of Light
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Graduate Is there mass without momentum?
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Graduate How does gravitational time dilation increase the spacetime interval?
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Graduate Why is the speed of light same in all reference frames?
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Graduate SR, Inertial frames, Movement, Testing
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