What We’re Made Of

Phillip Torrone, over at the Make Magazine Blog, pointed out this interactive Periodic Table of the Elements by Theodore Gray at PopSci.com. This is a real Periodic Table table that Theodore Gray built.

When I was a kid, there were only 103 known elements. I also used vacuum tubes to build my electronic projects – though I did venture into the modern era with a Knight Kit C555 transistor walkie-talkie kit.

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