16
Source: National Library of Medicine
15
Source: National Air & Space Museum
Ever wonder why we have flushing toilets? Or who decided to dry windshields by going "swish, swish"? Well so did we. So we dug up some people who may have only gotten a sentence or two in our history books, but had a bigger impact than we could have possibly imagined.
Source: University of Houston
Source: American Physical Society
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