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 How to explain time dilation easily to others, maybe like this ?
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Graduate Derivation of relativistic acceleration and momentum
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Graduate Variational methods on Lagrangians (D'Inverno Chapter 11) - continued
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Graduate The Illusion of Time and distant observers
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Graduate Black holes and time dilation around the event horizon
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Graduate Speed of light - why is it a constant?
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Graduate Reflecting light seen by two moving persons, explanation already known?
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Undergrad Measuring Distance to a Star One Light Year Away at 0.5c Speed
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Graduate You approach a planet at a velocity near c, what do you see?
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Graduate Is Time Speeding Up? The Possibility of a Universally Accelerating Clock
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Graduate Is SR and GR Time Dilation the same thing?
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Graduate Mathematical Basis for Learning Relativity
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Graduate Can time slow down infinitely in black holes?
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Graduate Question about Brian Greene's wormhole illustration in Fabirc of the Cosmos
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Graduate Length contraction and accelerating frames
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Graduate How does relativity explain the different experiences of now for two observers?
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Graduate Why so many definitions of an inertial frame?
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Graduate Scientific measurement standards
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Graduate Can Quantum Entanglement Enable Time Loops and Superluminal Communication?
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Graduate What Are Lapse Functions in 3+1 General Relativity?
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Undergrad Time Dilation - Relative to Light Speed or Reference Point - I'm Confused?
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Graduate Is there really an absolute reference frame?
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Undergrad Is it Possible for A to See B Moving Faster?
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Graduate Finding Equations of Motion from the Stress Energy Tensor
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Graduate Why Is General Relativity Hard to Work With?
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Graduate Symmetry in special relativity
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Graduate The Lorentz Transformations and a Few Concerns
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Graduate Triplet paradox: where's the error in my logic?
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Graduate Does Relativistic Mass Change at the Speed of Light?
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Graduate How does the Twin Paradox demonstrate the effects of general relativity?
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Graduate Twin Paradox Explanation Needed
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Graduate Precession of the LRL Vector in SR
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Graduate Different values for the inertia of a moving object?
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Graduate Going back in space vs Going back in time
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Graduate Acceleration thought experiment
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Undergrad Michelson-Morley experiment doubts
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Graduate Is SOL infinite? (from its own point of view)
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Undergrad Newton's Second Law: Acceleration Proportional to Force
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Graduate What happens when objects travel at the speed of light?
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Graduate The unit vector normal to the curvature of spacetime
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Graduate No Such Thing as the Plank Length?
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Graduate Does Light Lose Energy and Change Frequency Due to Gravitational Waves?
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Graduate What Does It Mean to Be at Rest Relative to the CMB?
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Graduate What Causes the Negative Sign in the Schwarzschild Metric Lagrangian?
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Graduate Gravitational Time Dilation and Contradicting Physical Events
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Graduate Time dilatation and 'now slices'
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Graduate How does gravity travel faster than the speed of light in a gravitational field?
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Graduate What Happens When Both Objects Travel at c?
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Graduate Reaching the Rindler horizon in a finite proper time
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Graduate Is the Distance Traveled by Light Affected by Time Dilation?
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Graduate Charge Invariance & Mass Dependence: Lorentz Transformations
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Graduate Accelerated observors in flat space
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Graduate Gravitational lensing and red shift
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Undergrad Relativity: Impossible Scenario?
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Graduate Solutions to the space-time metric
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Graduate So gravity obviously is the differing rates of expansion of Matter vs
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Undergrad Speed of light and time dilation
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Graduate The zeroth component of the four-momentum
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Graduate Can a Black Hole Have Angular Momentum?
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Graduate Pondering basis vectors and one forms
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Graduate Is Absolute Zero Velocity Possible?
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Graduate Elegant Universe: Example of motion's effect on space
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Graduate What is the significance of square brackets in tensor notation?
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Graduate Is general relativity generally covariant?
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Graduate What Should a Good Theory of Gravity Explain?
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Graduate Could time as a dimension have property that would behave like energy ?
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Graduate Relation between affine parameters
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Graduate Formula of doppler effect for sound,relativistic?
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Graduate Time dilations: How do we actually see things?
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Graduate Why can we explain gravity geometrically but not EM force?
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Graduate Good resources for integrals in Four-Space?
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Graduate Special relativity under the inflation of spacetime
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Graduate What Makes Photons, Bosons, and Gluons Massless?
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Graduate Is the Lense-Thirring effect evidence for Mach's principle?
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Graduate Thought Experiment on the speed of light
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Graduate Explaining the Grand Design: Time & Change without Time
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Graduate Can Energy Really Exist on the Surface of a Black Hole?
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Graduate Table of Connection Coefficients
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Graduate Varying Gravitational Field - Invariant Tetrahedron?
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Graduate Downloading e-books makes Kindle heavier?
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Graduate Debunking the Myth: The Truth About Black Holes and Accelerated Particles
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Graduate Question about FTL travel vs. FTL acceleration
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Graduate Can special relativity result in alternative realities?
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Graduate Visual effects of SR versus GR
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Graduate What does it mean to move through time?
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Graduate Gravity Effects on Rod Length - Reference Sources
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Undergrad Needing a basic clarification with SR
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Graduate Solving Problems with Tensor in 2+1 Dimensions
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Undergrad Einstein's relativity proves caloric theory?
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Graduate Explaining Mass Increase Outside of Relativity: The Role of Internal Resistance
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Graduate Twin paradox: who decided who is the younger one
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Graduate Time Dilation and Length Contraction near the Event Horizon of a BH
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Graduate I require the assistance of a physicist.
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High School Breaking Light: Can You Outrun the Speed of Light?
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Graduate Comparing Gravity in Newtonian and Relativistic Frameworks
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Graduate Relativity Theory: Connecting Gravitational & Velocity Time Dilation
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Graduate Wgat would a light clock measure in free fall?
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Graduate What energy term determines gravity in GR?
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Graduate Momentarily Comoving Reference Frame
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Graduate Gamma5 x d^2 Lorentz invariant?
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