.i“ * ^ / . . . . . ` `~

Didn’t know this: “Because of its electricity-conducting capacity, aluminum was used as the cap of the Washington Monument, completed in 1885, the tallest building in the world at the time. The non-corroding metal cap was intended to serve as a lightning rod peak.”

I’d heard aluminum referred to as “solidified electricity” and wondered what that was about. (Apparently the smelting process requires a lot of electricity.)

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