Articles for: minkowski

Explore Coordinate Dependent Statements in an Expanding Universe
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In this Insight we will discuss the general Robertson--Walker (RW) universe, in which a set of co-moving observers with proper time ##t## observe the universe…

Relativity Variables: Velocity, Doppler-Bondi k, and Rapidity
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Traditional presentations of special relativity place emphasis on "velocity", which of course has an important physical interpretation... carried over…

Learn About Relativity on Rotated Graph Paper
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This Insight is a follow-up to my earlier tutorial Insight (Spacetime Diagrams of Light Clocks).
I gave it a different name because I am placing more…

Learn About Spacetime Diagrams of Light Clocks
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We demonstrate a method for constructing spacetime diagrams for special relativity on graph paper that has been rotated by 45 degrees. Many quantitative…