Know Your Constellations: Eurion

Street scene with light-skinned person at right holding up a Euro bill. To the left appear a series of yellow circles with the text EURion constellation
Tom Scott explains why you can’t photocopy many currencies

This is the first Tom Scott video I remember watching. This is useful in the office, too: if you’ve ever had to copy or scan a check and kept coming up with a black page instead, you’ve come up against the Eurion. My solution? Cover the abejitas (little bees)as we used to call them at one of my clients, with bits of Post-It Note, and copy away.

Illustration of an analog numeric typewriter, superimposed on a paper chart of printed numbers.

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