February 28th, 2012
09:28 AM ET

The Ultimate Periodic Table

Theo Grey has a remarkable collection of pure elements, which he keeps in a giant, wooden periodic table. In this video clip, he shows off some of his most interesting specimens, and talks about how his collection got started. Grey is a co-founder of Wolfram Research and the author of The Elements, a wildly popular iPad app about the periodic table. He also writes a column about dangerous science experiments for Popular Science magazine.

Theodore Grey
The Elements
Periodic Table

This video was produced by the American Chemical Society.

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