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=mc^2 an Exact Equation or an Approximation?
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Graduate Charge Invariance: Argument Explained
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Graduate Mechanical experiments testing special relativity?
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Graduate Is the relativity of simultaneity relative?
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Graduate Is it possible to derive Lorentz-transforms through geometric methods?
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Graduate Four-Vector Physics: Exploring Questions
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Graduate Questions on Spacecraft, Light Mass, Relativity & Quantum Theory
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Graduate Relativistic Action: Lorentz Transform to Get Action A
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Graduate E=mc^2 in Natural Units: Understanding the Meaning of c^2
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Graduate Does c-u mean that c composes with u?
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Graduate Why should the covariant derivative of the metric tensor be 0 ?
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Graduate How to use Einsteins Field Equations ?
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Graduate Length Contraction: Row of Blocks & Rods
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Undergrad Understanding Tensors: A Beginner's Guide to Relativity | New Member Question
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Graduate How can I show that G=8pT implies the equivalence principle ?
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High School Faster than Light Particles: Meuons & Photons
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Graduate Simultaneity in Special Relativity and lorentz transformation
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Graduate Isolated Horizons: Definition & Use
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Graduate Temporal distortion along train DURING Acceleration
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Graduate Understanding Pointlike & Local Energy Density
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Graduate Relativity and Faster than the speed of light.
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Graduate Reverse time dilation possible?
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Graduate How does relativity show that energy is proportional to frequency?
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Graduate Moonrock gravitationally same as earthrock?
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Graduate E = mc2 is not really true in all cases?
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Graduate A black hole thought experiment
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Graduate Light Speed Separation: How Long?
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Graduate Is E = mc^2 the only formula for total energy?
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Undergrad Gamma Explained: Reasons for Lorentz Transformation
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Graduate Newton's Gravity corrected and Pioneer 10 anomaly
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Graduate The Mystery of Photon Motion: How Do Photons Perceive One Another?
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Graduate Black Hole Questions: Mass Increase & Formation
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Graduate Heated discussion about a flaw
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Graduate Temporal distortion of a moving train
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Graduate Why was Lorentz transformation known before Einstein explained clock synchronisation
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Graduate Topology of Spacetime: Non-Compactness Not Required?
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Graduate Solving the Submarine Problem: Will it Rise or Sink?
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Graduate Precession of the perihelion - Schwarzschild metric
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High School Does a Fourth Dimension Beyond Time Exist?
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Graduate Are there other phenomena (besides light) whose speed is invariant?
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Graduate Einstein's Special Theory of Relativity: Beam Angle
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Graduate Why did Einstein use light to define simultaneity?
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Graduate Does Gravity Affect the Local Speed of Light in Accelerated Frames?
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Graduate Lightbulb Paradox: Solving John Wheeler's Problem in SpaceTime Physics
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Graduate Pair production and another body?
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Graduate How Can Successive Boosts Illuminate the Lorentz Transformation?
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Graduate Is Conservation of Scalar Quantities Possible in General Relativity?
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Graduate Is Time Merely a Consequence of Space and Speed Limit c?
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Graduate Trying to understand relativity of lengths and times
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Graduate Figuring out the units for the cosmological constant
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Graduate Why Do Space-Time Diagrams Reverse Axes in Special Relativity?
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Graduate Understanding Spacetime Geometry: Timelike and Spacelike Vectors Explained
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Graduate Does Mass Really Increase Infinitely as Objects Approach the Speed of Light?
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Graduate Is e=mck Compatible with Einstein's Theory of Relativity?
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Graduate How Speed of Light Is the Same Speed in All Frames
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Graduate Was the Schwarzschild geometry acceptable
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Graduate Question on Einstein's Equation
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Graduate Speed of Moving Object: Exploring Length Contraction & Time Dilation
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Graduate Resolving the Incompatibility of Special Relativity and Quantum Mechanics
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Graduate Proper time for an object falling into a black hole
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Graduate Relativity and Lorentz Symmetry: What is the Relationship to Reality?
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Graduate Negative Mass and its Implications
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Undergrad The speed of light in a vacuum?
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Graduate How Do Time Sources and Space Sinks Relate to General Relativity?
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Graduate Important note concerning relativity of time
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Is Spacetime Shaped Like the Sea?
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Graduate What Is the Relationship Between Photon Mass and Frequency?
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Graduate What is time dilation and how does it relate to Einstein's theory?
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Graduate How Does Relativity Affect Movement on a Ship Near Light Speed?
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Graduate Does Newtonian gravity bend light?
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Undergrad Inertial Reference Frames- circular?
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Graduate Freezing light contradicts Einstein?
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Could You Pick Up an Airplane in Frozen Time?
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Graduate ICAL SCIENCE: Unraveling Hawking's Paradox and Controversial Theories
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Graduate Is General Relativity Actually an Aether Theory?
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Graduate SR transforms of matter/light interactions
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Graduate A moving clock lags behind a stationary clock
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Undergrad Why Mass Doesn't Always Add When Two Systems Combine
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Graduate Twins Paradox: Does Twin A Die?
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Graduate Relativity and Absolute Space: A Reconciliation?
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Graduate Inertial mass, invariant mass and the photon?
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Graduate Black Holes and the Event Horizon?
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Graduate How Fundamental Is General Relativity in Understanding Black Holes?
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Graduate What is the Meaning of Action? Investigating the Connection between GR & QM
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Graduate Einstein's original paper question
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Undergrad Evidence for length contraction
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Graduate Is Light-Like an Appropriate Term in Minkowski Space Terminology?
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Graduate Correct derivation of magnetism from SR
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Graduate Photons Perceive Universe as 2D: A Curious State?
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Graduate Gyroscopic action on earth surface
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Undergrad Why Doesn't Relativity Apply to Light?
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Undergrad Einstein's theory of relativity?
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Graduate Relative Velocity II: Defining Relative Velocity in GR
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Graduate Dark Energy & Curvature of Spacetime
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Graduate Are the transforms instantaneous?
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Graduate What Sense Does High Velocity Travel Make? - Oh-My-God Particle
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Graduate Correct formula for gravitational redshift
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Graduate Nail and cylinder problem in SR
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Undergrad Special Relativty and Inertial Reference Frames
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Undergrad How Relativity Connects Electric and Magnetic Fields
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