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 E=m*c² the Key to Understanding the Universe's Equilibrium?
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Graduate Problem with relativity of simultaneity original example
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Graduate Energy-momentum of non-free classical particle
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Graduate Fermi-Walker transport geodesic
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Graduate How Is Rest Mass Defined in a Universe with No Absolute Rest?
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Undergrad What Is the Time Dilation Formula and How Does Speed Affect Time?
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What Is the Significance of Speed Differences in Driving?
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Graduate Force on a massless classical particle
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Graduate Instantaneous Communication Between 2 Stationary Observers
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Graduate Is relativistic momentum conserved?
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Graduate Wrong Time Dilation: Why Observers Disagree
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Graduate The difference between big delta and small delta?
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Graduate Parallel transport of a vector.
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Graduate Are Angles Relative? - Physics Thought Experiment
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Graduate Do time and space exist within the universe?
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Graduate Planetary Orbits calculated from the Metric
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Graduate Why can't there be a center of relativistic mass?
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Graduate Describing Time to a Philsopher
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Graduate Geometric shape of Minkowski space
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Graduate Is Time Real? Proving Its Existence
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Graduate Lorentz Transformation on a Wave Function
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Graduate Is there a simple equation for the trajectory of light in a gravitational field?
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Graduate The gauge of general Relativity
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Undergrad Speed of Sound, Light, and Time?
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Graduate Time dilation/ light speed-thought experiments
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Graduate Simulation for Newton's gravity, GR to be added later.
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Graduate What happens to the geometry of a spinning disk as it rotates about its center?
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High School Is this GR Explanation Accurate for Teaching 9th Graders?
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Graduate Does Potential Energy Have Mass, Even When Negative and Non-Unique?
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Graduate Two expression for relativistic acceleration
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Undergrad Is the concept of a perpetual motion machine feasible in the realm of physics?
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Graduate Light - What exactly is happening?
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SR/GR FAQs: Check out the Latest List
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Graduate Acceleration is perpendicular to velocity
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Graduate Speed of light hypothetical question
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Graduate The Spaceship experiment: Questions on Light's Inertia and Measuring Distance
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Graduate Time and physicality of dimensions
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Graduate The Relativity of Time: How Moving Clocks Can Alter Our Perception of Time
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Graduate When is something covariant or contravariant?
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Graduate The Speed of Light, Gravity, and Why it all is what it is.
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High School What's the Delay with a Wire to a Planet 1 Light Year Away?
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High School Why Does an Object Shrink When Traveling Close to Light Speed
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Graduate Is Gravity a Particle or a Spacetime Phenomenon?
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Undergrad Sundial & Relativity: Inertial Frame Differences?
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Graduate Can Standing Still Make Time Pass Faster Than the Speed of Light?
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Undergrad Humans travelling at light speed?
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Graduate Black hole surface gravity question
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Graduate What Happens to Time and Light in Physics?
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Graduate Do Closed Timelike Curves Exist in Reality or Nature?
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Graduate How Does Gravity Affect Flywheel Behavior in General Relativity?
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Graduate Basic questions on time dilation (probably already answered, sorry)
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Graduate Defining the dimension of a singularity?
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Graduate Can you create a black hole from light? Also, Whiteholes vs. Blackholes
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Graduate Gravitational effects on particles orbit in a box
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Graduate Understanding the Doppler Effect in Space-time Curvature
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Graduate What is the Stress-Energy Tensor
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Graduate Is Gravity a Result of Mass Attracting Quanta of Mass?
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Graduate Penrose diagrams, reference request.
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Undergrad What Happens to Matter Inside a Black Hole?
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Graduate Does increasing velocity shrink matter?
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Graduate Thought experiment on the nature of light
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Graduate Proof: Velocity of Light can't depend on velocity of body emitting the light
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Undergrad 2 protons have less mass than combined
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Graduate Effect of Gravity Well on Muzzle Velocity of Gun
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Graduate Global GR Theorems without Energy Conditions?
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Graduate Lagrangian for the General Relativity
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Graduate General Lorentz Matrix in Terms of Rapidities
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Graduate Thought-Experiment with illustration - help me understand
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High School Are black holes theoretical or real?
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Graduate Does Causality Have Meaning When Spacetime Disappears?
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Graduate Alcubierre Drive vs the Hubble Constant
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Graduate Imagine a solid, non-conducting cylinder at rest in IRF K, with a
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Graduate Lorentz transformation for non-inertial frame
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Graduate Why can light travel at the speed c?
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Graduate Non singular black hole solutions
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Graduate Total energy at zero rest mass
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Graduate How Does Space-Time Fabric Elasticity Influence Time Flow?
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Graduate How Do Moving Charges Behave Differently in Different Reference Frames?
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Undergrad The paradox, is basically a theory about time travel.
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Graduate Can general relativity be constructed with differential forms?
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Graduate Computing Lagrangian for Light Propagation in Spacetime
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Undergrad So if space/time is a plain
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Graduate Solving the Mystery: Understanding Relativity in a Simple Race
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Graduate Exploring the Effects of Relative Mass and Relativity on Gravitational Pull
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Graduate Variable Speed of Light: Understanding Its Effects in Different Frames"
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Undergrad Why Does Light Lose Energy with Universe Expansion?
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Graduate Can time run differently for the same observer at the speed of light?
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Graduate I cant even find words on how to ask this question. My father brought
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Graduate Radial tidal forces and tidal forces on moving objects redux
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Graduate Relativistic Momentum to Kinetic Energy Conversion
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Undergrad E=mc2 How did Einstein get to this equation?
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Undergrad Understanding Einstein's General Relativity: A Simplified Approach
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Graduate Why is the speed of light absolute?
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High School Einstein's Explanation of Mercury's Precession
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Graduate Could Time Travel Be Possible By Studying Particle Motion in the CERN Collider?
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Graduate Relativity and Probability Waves
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Graduate What is the maximum speed one can travel near a stellar mass black hole?
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Graduate Relativistic Ohms Law: Modeling 1D Hot Electron Beam in Plasma
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Graduate How exactly does mass curve space?
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Graduate Landau-Raychaudhuri Equation: History & Study
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