John Stapp was an Air Force Colonel. In the mid-1950's he talked automakers into using his airplane safety dummies to test cars. The term 'dummies' is used loosely here, since these consisted of sand-filled bags. Just bags, no shape. Now that they're shaped like us, auto makers can get all kinds of info by crashing a car full of dummies into a wall. How hard somebody's head will hit the dashboard, how many ribs you'll probably break, you know, fun stuff. We are ever so grateful that the sand-filled bags stepped up. Thank you, Colonel Stapp. Any chance that was pronounced Stop!?
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