In the 1920s, a museum director looked at a page in Leonardo da Vinci's notebook and deemed the bulk of its contents "irrelevant notes and diagrams in red chalk." But when a professor revisited the page in 2016, he found that these scribbles contained groundbreaking findings: the first written records demonstrating the laws of friction.
Read Between the Lines
Leonardo da Vinci Scribbled Earliest Laws of Friction in 1493
It was discovered in 2016 that these da Vinci scribbles are a huge deal.
Written by Mae Rice August 17, 2016
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