Electromagnetic Spectrum

Electromagnetic Spectrum

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Sometimes I try to picture what everything would look like if the whole spectrum were compressed into the visible spectrum. Also sometimes I try to picture your sister naked.

See also: https://imgs.xkcd.com/comics/electromagnetic_spectrum.png

Special 10th anniversary edition of WHAT IF?—revised and annotated with brand-new illustrations and answers to important questions you never thought to ask—coming from November 2024. Preorder here!