Call it a turning point. For more than 50 years, an Illinois man had - unbeknownst to him at first - a 7-inch turn-signal lever from a 1963 Thunderbird stuck in his left forearm after an almost fatal ...
Levers are literally all around us. You body uses them to move, pick up a pen to sign your name and you’ll use mechanical advantage to make that ballpoint roll, and that can of soda doesn’t open ...
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