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 Gravity: Not Proportional to Inverse Square?
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Graduate Following a light ray through a curved spacetime.
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Graduate Ehrenfest paradox debate, how does a pinning disk look like?
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Graduate What Happens to a Pole Spinning Near Light Speed?
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Undergrad Does Light Speed Up Near Black Holes?
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Graduate Intuition behind the warp drive
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Undergrad What is the simplest way to explain general and/or special relativity?
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Graduate Is time and space moving through us? Do black holes rotation create time?
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Graduate Similar to the Einstein train experiment
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Graduate Special relativity and quantum mech
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Graduate Space-Time: Does Faster Mass Increase Curvature?
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Graduate What is the proof/validity of Born rigidity in Special relativity?
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Undergrad How we know which mass would be heavier.
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Graduate What Are the True Nature and Meaning of Extra Dimensions?
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Graduate Is ADM Energy Equivalent to Komar Mass in All Spacetimes?
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Graduate What will show scale inside rocket?
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Graduate Relativity and terminal velocity
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Graduate Intuition of Geodesics: Visualizing Tangent & Parallel Transported Vectors
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Graduate Quastions about Zee's book EGR in a nutshell
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Undergrad Is the Speed of Light Truly Constant in Deep Space?
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Graduate Special Relativity: Time Intervals & Colocated Origins
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Graduate Elementary Explanation of Unruh Effect
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Graduate Gravity distortion at the center of a massive object?
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Graduate General relativity - Conceptual question
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Graduate Spacetime/Proper Length
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Undergrad GRT: Can Identical Objects Orbit Center of Gravity?
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Graduate Understanding the Twin Paradox: Time Dilation in Relativity
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Graduate Does the cosmological constant 'require' energy?
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Undergrad Einstein's train thought experiment
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Graduate GR Effects on Satellites in Free Fall: Resolving the Confusion
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Graduate Units of spacetime in Minkowski metric
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Graduate Understanding Spacetime Diagrams & Relativity
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Graduate Understanding Doppler Shift for Light in Special Relativity
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Graduate What is the problem with the Minkowski relationship in special relativity?
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Graduate How is it that black holes can have angular momentum?
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Undergrad Correct definition of time dilation
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Graduate How Does Time Differ for Observers in Relative Motion?
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Graduate [Question] About the radio signal for Twin Paradox
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Graduate Can the concept of negative mass shed light on the independence of momentum?
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Undergrad SR Problem: Calculating Angle of Tilt of Moving Bar
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Graduate Simultaneity between events in reference frames
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Graduate Understanding the Effect of Space Curvature on Time in Relativity
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Can anybody suggest any books, journals, or webs on antigravity?
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Undergrad Changing magnetic field creates potential difference
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Graduate What caused us to have relative time
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Graduate CTCs in Kerr Metric: Examining the Invariance of CTCs in Spacetime
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Graduate Mechanism by which mass curves space
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Graduate Concept of coordinate reference frame in GR
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Graduate Could a warp drive work as a time machine?
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Graduate Gravitons: Explaining Need & Function in Relation to GR
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Graduate Locally non-rotating observers
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Graduate Negative time difference of simultaneous events?
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Graduate Time Travelling at Speed of Light: What is My Time?
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Graduate Understanding Time Dilation: Proper Time vs. Time
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Graduate Magnetism as a Relativistic Phenomenon
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Undergrad Newton's law of gravity or Einstein's general theory of relativity?
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High School Einstein and his theory of light speed
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Graduate Why Does a Bullet Fall Below a Laser Beam in General Relativity?
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Graduate Light & Space-Time: Why So Fast?
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Graduate Constant Acceleration / Deceleration Propulsion
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Graduate What does vanishing Ricci tensor signify ?
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Graduate Could There be a Preferred Time in the Universe?
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Graduate Unbreakable pole moved in an infinite vacuum
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High School Does Gravity Affect How Long You Live?
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Graduate Einstein's Basis for Equivalence in his Field Equations
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Graduate Question regarding the qualitative difference between General Relativi
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Undergrad Moving faster than light cannot stop biological aging Or can?
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Graduate How Do You Calculate Average Acceleration in Relativistic Motion?
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Graduate Can you see inside a space ship moving at the speed of light?
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Graduate Does time go backwards if object is going faster than light?
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Graduate What causes people to age differently?
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Undergrad How to understand gravitational potential
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Graduate Proof of CTCs: Post Selection & Entanglement
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Graduate Velocity addition formula question
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Undergrad Meaning of E=mc^2: Are Mass and Energy the Same?
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Graduate Einstein's Summation Convention: Questions Answered
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Graduate Conceptual questions: Limit of energy?
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Graduate Twin's Paradox: Q&A on Acceleration, Velocity & Time Dilation
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Graduate Four amateur questions about gravity and general relativity
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Graduate Two paralel streams of electrons.
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Graduate Is There any impact of the concept of Einstein’s New Ether in science
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Graduate Rotating reference frames and acceleration
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Undergrad How Does the Twin Paradox Affect Aging in Space Travel?
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Graduate A Lot of Basic Question About Lorentz-Minkowski Geometry
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Graduate Solving Redshift of Two Kinds in Schwarzschild Metric
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Graduate What Are 'M-M' and 'N-N' Circles in Russian Physics?
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Graduate Charged particle、neutral particle will hit the ground simultaneously？
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Graduate Magnitude of Vectors in Special Relativity
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Graduate Orthogonality of timelike and null vector
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Graduate Momentum conservation in the twin paradox
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Graduate Movement of Mass: Constant Distortion Since Universe Began
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Graduate Frequency, Velocity and Wavelength of Light
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Graduate Using parallel propagator to derive Riemann tensor in Sean Carroll's
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Graduate Schwarzschild metric in terms of refractive index
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Figured Out: No Question Here!
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Graduate Forces in relativistic rolling motion
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Graduate Quick check as to space-like and time-like
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Undergrad Relative velocities and the speed of light
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Graduate Electron orbital the earth will radiate?
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Graduate Types of experiments conducted to detect the speed of light After M&M
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