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 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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Graduate What scientific experiments have been invalidated by extinction phenomena?
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Undergrad NASA's Stance on Warp Drive: Could FTL Travel Be Possible?
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Graduate What doesn't have gravitational mass?
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Graduate What is the Wedge Product and How is it Defined?
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Graduate Frequency shift of light between observers in Schwarzschild space-time
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Undergrad (special) relativistic effects made clear in animation
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Graduate How Does the Unruh Effect Differ Between Observers in Motion and at Rest?
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Graduate What is the Classical Pendulum Paradox?
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Graduate Converting Geometrized Units: The Role of G and c in Christoffel Symbols
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Graduate Electron Beam Speed in TV Picture Tubes: Explaining Special Relativity
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Graduate Why Are Two Indices Used for the Generators of Lorentz and Poincare Groups?
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Graduate Can Pulsed Gravity Waves Be Used for Faster-Than-Light Communication?
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Graduate How Does Rotation Affect Gravity and Relativity Perception?
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Graduate Time and Space: What Happens When Two Men Meet in Adjacent Rockets?
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Graduate How often does mass effect space
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Graduate Relativistic mass and space-time curvature
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Undergrad Traveling at 0.5c: Time Dilation & Length Contraction
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High School Is the speed of light a constant
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Graduate Is Light's Speed Limit Universal for All Massless Particles?
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Graduate A Thought Experiment with Time Dilation
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Graduate Understanding Black Holes: Questions About Event Horizon
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Graduate Is Special Relativity Based on Human Error?
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Graduate Would Gravity Waves Show Doppler Shift?
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Graduate Is Spherically Symmetric Spacetime Algebraically Special?
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Graduate Does the metric really represent intrinsic spacetime in plain English?
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Graduate Thought Experiments: Will Spaceship B Move Immediately?
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Graduate Calculating Angular Distance in SR
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Graduate Gravity Warps Space & Time: A cm Difference?
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Graduate Uncovering the Mystery of Photons in Orbit: Factors Affecting Their Movement"
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Graduate Traveling from Point A to Point B at the Speed of Light
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Graduate How does the theory of relativity explain changes in mass and energy?
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Graduate Tensors for Relativity Without Tears
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Graduate Advance of Perihelion: Mercury's Formula & Approximations
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Graduate Calculating Homothetic Vector Fields
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Graduate Analogue of Lorentz transformation in General Relativity.
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Graduate Whom do we consider as moving in special theory of relativity?
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Graduate A more interesting Pendulum Paradox
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Graduate Possible Analogy for Objects Moving at C
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Graduate Help with McMahon's Relativity
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Undergrad How Can V Draw Space Time Curve
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Graduate Space-Like Intervals: Can Events Effect Each Other?
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Graduate What is the meaning of topological black holes?
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Graduate Warped Space or Gravitons: Which Theory Explains Gravity Better?
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Graduate Unveiling the Non-Zero Components of Riemann Tensor for Schwarzschild Curvature
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Graduate Is Space Infinitely Small and Large Without a Medium?
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Undergrad Can Time Dilation from Special Relativity Unlock Superpowers?
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Graduate Photon Acceleration: Speed, Mass & Emission
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Graduate What properties of space determine gravity velocity?
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Undergrad Time Dilation: Einstein's Theory of Time-Shift
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Graduate Light speed in relation to the size of the universe
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Graduate Can Photons Travel the Same Path at Different Speeds?
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Graduate A weird spherically symmetric metric
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Graduate Negative Clock Readings: Compatible with Relativity?
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Graduate Are Artificial Black Holes Created in the LHC Safe for Earth?
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Graduate Gravity & Massless Particles: Why Does it Affect Photons?
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Graduate Is there a gravitational equivalent to magnetism?
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Graduate How Fast Does Gravity Travel to a Black Hole if the Sun Vanishes?
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Undergrad Is motion relative to the size of an object
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Graduate Little problem with group velocity
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Graduate Questions about acceleration in SR
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Graduate Does Traveling at Light Speed Eliminate the Dimension of Time?
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Graduate 3 and 4 velocity and acceleration
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Graduate In this scenario is faster then light speed possible?
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Graduate Gravity: Thoughts on Earth's Center Point
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Graduate Geodesics in metric geometry and affine
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Graduate Coordinate transformation and choice of a suitable coordinate system.
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Graduate Why Do Black Hole Models Assume Singularities as Facts?
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Graduate Does acceleration cause time dilation?
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Undergrad Is There a Flaw in the Michelson-Morley Experiment?
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Graduate Absolute Zero and time travel?
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Graduate On GR and Interstellar exploration
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High School Does Taking a Step Forward Affect Age Difference in Time Dilation?
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Undergrad Is the Velocity of Light Truly Constant Regardless of Your Motion?
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