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 Gravity in relation to mass & energy
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Graduate Two Easy Questions: Mass & Speed Limit of C
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Graduate Uniting quantum physics with the theory of relativity
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Graduate Another time dilation question
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Graduate What Happens When a Mechanism Reaches the Speed of Light?
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Graduate The hole argument and diffeomorphism invariance
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Graduate Behavior of light accelerating
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Graduate Velocity and proper acceleration
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Undergrad What Do We Understand About Gravity?
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Graduate Do Closed Timelike Curves Exist?
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Graduate Are There Any Neater Solutions for Notation Confusion in Metric Equations?
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Undergrad Time dilation also for accelarated motion?
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Undergrad Reexamining Time Dilation: A Perspective from Both Frames of Reference
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Graduate Define Electromagnetic Spacetime
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High School Gravity After Mass Conversion to Energy - Layman's Guide
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Graduate Why Does the Simultaneity Equation Use Gamma Squared?
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Graduate Why Does the Standard Model Not Account for the Mass of Potential Energy?
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Graduate Coming to terms with the velocity addition formula
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Graduate What motivated Einstein to develop GR?
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Graduate Thought Experiment: Spaceship, Photon, and Relativity Explained in Simple Terms
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Graduate Understanding the Kerr Metric: Solving for Delta and Lambda functions
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Undergrad Why is the Speed of Light Constant?
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Graduate Who Ages Faster in Relativistic Travel?
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Graduate Is the Shapiro Delay a Result of Space Curvature or Time Dilation?
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Graduate Space Dilation in General Relativity: Facts, Measurement & Sources
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Graduate Geometric Algebra and Spacetime Split: What are the Applications?
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Graduate SR and Light Clocks - Confused
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Graduate If the speed of light were zero
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Graduate How does relative motion affect the speed of light?
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Graduate Gravitational time dilation from two or four bodies
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Graduate Third postulate of special relativity?
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Graduate Question about pressure in GR
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Poincaré's 1900 paper on Lorentz's theory
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Graduate Gravitational Collapse: Is Mass Referring to Rest Mass?
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Graduate Backscattering of light at a black hole
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Graduate Accelerations at various distances.
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Graduate How Does Relativity Change at High Velocities and Small Distances?
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Undergrad Understanding Frames of Reference in Relativity
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Graduate Precession angle per orbit of perhelion precession mercury
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Graduate Could Gravity Be a Reaction to the Early Universe's Events?
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Undergrad The Mystery of Photons and Gravity
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Undergrad Why can't we go faster than 300,000 km/s?
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Graduate Matter travelling faster then light inside a black hole
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Graduate Speed of light Schmeed of light: things can travel faster
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Graduate Frequency change of a photon falling to earth
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Undergrad What Are the Key Differences Between the Three Dimensions of Space?
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Graduate Question about exhaust velocity and terminal velocity
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Graduate About the accelerating spaceship
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Graduate Symmetry in Travel and Time Dilation
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Graduate Matter tells matter how to move
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Graduate Pole and Barn paradox - close the doors for good
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Graduate Length contraction compression and Schwarzschild radius
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Graduate Understanding Einstein's Discovery: The Constant Speed of Light
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Graduate Can Light's Speed be Considered Constant if it Can be Slowed Down?
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Undergrad On the noton of reference frames force and acceleration
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Graduate Which expression for Relativistic Kinetic Energy is correct?
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Undergrad Causality Question: Is It Violated in This Scenario?
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Undergrad Why Is 'c' Used for the Speed of Light in E=mc²?
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Undergrad Why does light not pass through voids within atoms?
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Graduate Why can't gravity accelerate an object past c?
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High School Speed of Light. What is c? Why use the letter c'?
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Graduate Determination of Riemann curvature tensor from tidal forces
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Undergrad Have the gravity waves been detected from the big bang?
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Graduate How Can I Find a GR Problem Comparable to a QED Cross-Section Calculation?
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Graduate Photons that orbit at the event horizon.
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Graduate Does space expansion theory obey relativity laws?
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Graduate Special relativity and apparent, actual and synchronized positions
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Undergrad Can information travel faster than light?
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Graduate Are There Theories Challenging the Conservation of Energy Law?
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Graduate Charged particle at relativistic velocity
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Graduate Einstein's resolution of the clock paradox
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Why Does light have a speed limit.?
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Graduate Distinguish Fictitious Force: Real Vs. Acceleration
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Graduate Round trip (two way) speed of light
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Graduate Universal Reference point in time
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Graduate Expanding universe & relativity
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Graduate Orbiting Time Dilation: Who is Younger?
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Graduate Speed of C in all frames of reference
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Graduate Do All Masses Exhibit Schwarzschild Singularities?
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Undergrad Question About Time: Is Something You Shine Light At Younger?
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Undergrad How Long for a 186,000-Mile Rod to Move?
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Undergrad Understanding Simultaneity in Relativity: Common Doubts Addressed
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Graduate A question on why Special Relativity holds
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Graduate Infinite Tensor: Does Coordinate System Matter?
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Graduate Identifications between the model and the real world
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Graduate Gravitational force = inertial mass
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Graduate Proper Acceleration: Measurements & Definition
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Graduate SR's Length Contraction and Time Dilation
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Graduate How Does Mass Increase Affect Proton Velocity in a Cyclotron?
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Graduate Spinning at the speed of light?
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Graduate Understanding the Lorentz Time Contraction Equation
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Graduate How Does Time Dilation Affect Measurements of Earth's Size from Satellites?
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Undergrad Understanding Light as a Particle and Wave
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Graduate Stress energy tensor of a rotating hoop
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Graduate Trivial question about gravity affecting itself
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Graduate Is Simultaneity Absolute in the Train-Platform Thought Experiment?
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Graduate Can mass go faster than the speed of light?
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Graduate Is Kronecker Delta a Coordinate-Independent Identity Operator?
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A question about the relativity
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Graduate Are Gravitons the Key to Understanding Gravity?
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