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Paul Steinhardt, “Indiana Steinhardt and the Quest for Quasicrystals” (Open Agenda, 2021)

New Books in Science, Technology, and Society

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Is It a Quase Crystal or a Pyrite?

Fool's gold is a type of pyrita hedra. Pyrite, often pirite, you sometimes see form beautiful cubes. But sometimes you'll also see it form these nuggets which look like they have pentagons on the surface. This is actually something which is well known in the study of pyrites. It turns out that there is an international catalogue of a computer data base of what ar called powderd defraction patterns. We're young lo for nature. I think it's a so a.

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