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 Solving Geodesic Equations with Godel Metric
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Undergrad Is this the only form of the Minkowski metric?
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Undergrad Curved Space-Time: Understanding How Nothing Has Shape
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Undergrad Visualizing Intrinsic Curvature: Is This a Good Practise?
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Undergrad Bernard Schutz Proves Invariance of Interval
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Undergrad What Makes Closed Timelike Curves Physically Possible in Godel Universes?
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Undergrad Extracting Info from a Black Hole: Robert's Hypothetical Process
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Undergrad Is this a closed spacelike curve?
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Undergrad Metric Nomenclature: Lorentz & Minkowski
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Undergrad What is the physical cause behind time dilation?
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Undergrad Does G effectively change in an expanding metric?
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Undergrad How can the stress tensor be non-zero where there is no matter?
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Undergrad Calculate Time & Distance Dilations: 50k Years & 1 Day
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Undergrad Exact Stationary Spacetimes: Complete List of Discovered Solutions
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Undergrad Realistic Time Dilation for Objects > Subatomic Particles
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Undergrad Is Special Relativity Creating a Paradox in Our Understanding of Time and Space?
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Undergrad Faster Than Light Particle: Could it Create the Universe?
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Undergrad Observers A & B: Rest & Simultaneity
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Undergrad Usefulness of Diagrams for Relativity: 1-5
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Undergrad Spacetime Geodesics at Sea Level & Zoomed Out
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Undergrad Relativistic centrifugal force
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Undergrad Velocity Addition: Angled Motion Explained
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Undergrad Unknown velocity vector of a rail carraige
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Undergrad Proper vs. coordinate acceleration
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Undergrad Hubble's Law and Star Velocity
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Undergrad Deriving tensor transformation laws
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Undergrad How Does Time Dilation Affect Space Travel Duration?
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Undergrad Derivation of the Lorentz transformations
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Undergrad Explore Clock Synchronisation in a Moving Train Frame
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Undergrad Why 3-momenta + lorentz invariance = large energy?
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Undergrad Gravitational Mass of a Ball of Photons: Concept Q10.4 in Gen Relativity
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Undergrad Photon Absorption & Electrons: Mass, Energy & Releasing Photons
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Undergrad Is the Alcubierre Warp Drive possible?
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Undergrad Accelerator Particles: Speed of Light & Mass Increase
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Undergrad Deciphering the Units of Continuity Equation in GR
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Undergrad Universe Expansion: Does Speed of Motion Matter?
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Undergrad Is Space-Time Continuous or Quantized?
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Undergrad Adding Extra Dimension for Calculations in Curved Spaces
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Undergrad Approximating a Black Hole Merger Using a Schwarzschild Model
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Undergrad Binding Mass Distribution in Gravitating Bodies
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Undergrad Inverse results in special relativity
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Undergrad What is the experience of a photon?
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Undergrad Solving the HUGE Issue with Lorentz Transformations and Lightning Strikes
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Undergrad General Lorentz Transformation Explained: Visualize and Grasp It!
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Undergrad Two Observers Moving Opposite Dir Rel to Each Other
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Undergrad The Singularity and the Schwarzschild radius
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Undergrad Why Are Coordinates in General Relativity Independent?
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Undergrad Length contraction viewed with Heaviside equations
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Undergrad Why Is the Green Observer Always the Bent One in the Twin Paradox?
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Undergrad Do ##\vec E## and ##\vec B## change in a moving frame?
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Undergrad Spacetime and Events in (x,y,z,t)
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Undergrad Electromagnetic Fields and the manipulation of Space-Time
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Undergrad Question about an entanglement paper
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Undergrad How Do Rockets Traveling at High Speeds Observe Each Other's Velocity?
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Undergrad The velocity of a moving frame of reference
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Undergrad Alternative form of geodesic equation for calculating Christoffels
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Undergrad Is it possible to have synchronized clocks in a rotating system?
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Undergrad Question regarding the nature of mass inside a black hole
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Undergrad Can an object fall into a black hole at faster that the speed of light?
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Undergrad Radius in Schwarzschild Metric: Definition Explained
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Undergrad Do clocks on Bell’s spaceships stay synchronized?
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Undergrad Tensor Field Notation: Einstein Gravity Explained
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Undergrad Space-Like Hypersurface: Simultaneous Events?
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Undergrad Special Relativity: Train in Tunnel Paradox Solved
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Undergrad Covariant derivative of the contracted energy-momentum tensor of a particle
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Undergrad Is there a solution for the behavioural contradiction in RT?
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Undergrad Measuring Mass of a Bowling Ball Dropped into a Black Hole
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Undergrad Derivation of Geodesics Eq from EM Tensor of Point Particle
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Undergrad Issue With Derivation of Gravitational Time Dilation
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Undergrad Gravitational Potential Energy in GR
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Undergrad Accelerated Triangle and Length Contraction
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Undergrad Stress-Energy Tensor: Specified or Calculated?
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Undergrad Modifying EFE to Match Newton's Gravity Predictions
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Undergrad Measuring Gravity Wave Time Distortion Accuracy
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Undergrad What is the Strange Solution to the EFE with a Born Frame and Rotating System?
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Undergrad Simultaneity of two light rays in different reference frames
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Undergrad How Do Physical Quantities Relate to Spacetime in Einstein's Field Equations?
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Undergrad Boosting to an instantaneous rest frame
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Undergrad Newton vs Einstein: Explaining Other Forces
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Undergrad Can empty space be considered ‘elastic’ and expandable?
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Undergrad Gravitational potential gradient in accelerated reference frames?
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Undergrad Is there such a phenomenon as "micro-frame drag"
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Undergrad Orthonormal Basis - Definition & Examples
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Undergrad Invariant Mass in Gravitational Fields: Special Relativity
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Undergrad Are Dimensions Truly Relative to the Observer in the Coastline Paradox?
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Undergrad Length Contraction: Measuring a Difference of 55 Nanometers
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Undergrad Does Curving Space by an Approaching Mass Do Work?
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Undergrad Can all fundamental constants be set to 1 in natural unit systems?
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Undergrad What is ds in ds2 = dx2 - cdt2
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Undergrad Black Holes: Time Bidirectional?
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Undergrad Fixing Rindler Coordinates when a=0
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Undergrad Is a photon simply a vibration of the spacetime lattice?
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Undergrad CMB Photons: 3000˚ K to 2.7˚ K in an Expanding Universe
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Undergrad What happens to the inertia of a mass falling into a black hole?
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Undergrad Gravity and balls on rubber sheets
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Undergrad Things that can be observed in a snapshot view of the universe
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Undergrad Centre of Mass-Energy: Griffiths Electrodynamics 4th Ed.
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Undergrad Help Understanding Metric Tensor
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Undergrad Schwarzschild Geodesics: An Overview
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Undergrad Inside the Schwarzschild horizon
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