62 trillion USD and a lever that could lift a world

archimedes_lever_small

There’s a sentence, maybe apocryphal, attributed to the famous proto-scientist Archimedes: “Give me a place to stand and with a lever I will move the whole world.”; this is one of most cited sentence ever and the basic idea is clear: with the proper fulcrum and the right lever, even the biggest things can be moved.

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