Posts

RelativityVariables

Relativity Variables: Velocity, Doppler-Bondi k, and Rapidity

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Traditional presentations of special relativity place emphasis…

Relativity on Rotated Graph Paper

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This Insight is a follow up to my earlier tutorial Insight (Spacetime…

Spacetime Diagrams of Light Clocks

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We demonstrate a method for constructing spacetime diagrams for…
redshiftblackholes

Time Dilation and Redshift for a Static Black Hole

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The following is an overview of the time dilation and gravitational…
neutrino

Neutrino Masses and Speed

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It was hard to miss the 2011 OPERA neutrino speed measurement…