Why the Turtle Grew a Shell, First Written Evidence of Laws of Friction Discovered in Da Vinci's Notebooks, Where to See Wild Ponies and More‏

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Why the Turtle Grew a Shell, First Written Evidence of...

GoSexy Discussion started by GoSexy 8 years ago

Researcher Discovers First Written Evidence of Laws of Friction in Leonardo da Vinci's Notebooks

A scientific breakthrough was dismissed as a useless doodle—until now

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Leonardo da Vinci—friction pioneer (Wikimedia Commons/Public Domain) FEATURED ARTICLES

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