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Creating a Water-Powered Hammer Using Stone Age Tools

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Typewriter Sold at Flea Market Turns Out to Be Rare World War II Enigma Machine

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11 Well-Drawn Facts About The Etch A Sketch

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The Fateful Birth of the Very First Camera Phone

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Behold the Floppotron, a Computer Hardware Orchestra

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Behold the Night Clock, a 17th Century Flame-Lit Clock

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A Brief History of the Bendy Straw

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Henry Ford's First Car Was Basically a Double Bicycle

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Conservationist John Muir’s Youthful Hobby: Inventing Amazing Alarm Clocks

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The Craft That First Took Humans to the Deepest Part of the Ocean

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8 Medical Inventions Created by Nurses

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How Thomas Edison Jr. Shamed the Family Name

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11 Amazing Things You Didn't Know Were Invented by Kids

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This Kinetic Sculpture Plays Rock Music Using Actual Rocks

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This 300-Year-Old 'Detector Lock' Reveals an Intruder's Presence

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10 Great Things Invented by Working Moms

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©2017 Mental Floss, Inc. All rights reserved. Mental Floss® is a registered trademark owned by Felix Dennis. mentalfloss.com is a trademark owned by Felix Dennis.