Science & Futurism with Isaac Arthur cover image

Higher Dimensional Aliens

Science & Futurism with Isaac Arthur

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The Importance of Dimensions in Physics

Modern physics does not recognize the 10 or 11 or 26 dimensions of string theory and its cousins. The word dimension derives from Latin for measuring or to measure out, and came to mean bulk, size, extent, or capacity sometime in the 16th century. Physics also recognizes seven basic units, which are length, time, mass, electric current, temperature, luminous intensity, and amount of substance.

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