34. Selenium: A Fit Of Heat And Light

Throughout history, copying information has been arduous, messy, and even dangerous — until one bored, depressed man figured out the secrets of selenium.

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32. Germanium: Harder, Better, Faster, Stronger

Silicon gets all the press, but germanium was the real trailblazer of the Information Age.

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14. Silicon: Tool Of All Trades

From prehistoric times right through today, our hand-held tools have been made of silicon.

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