→Subscribe for new videos every day! http://bit.ly/todayifoundoutsubscribe →Why Do Superheroes Wear Their Underwear on the Outside?: http://bit.ly/1Ow7J0K Never run out of things to say at the water cooler with TodayIFoundOut! Brand new videos 7 days a week! More from Today I Found Out: The Truth About the Bermuda Triangle http://bit.ly/1ej1zEd The Queen of Baseball http://bit.ly/1CWHS0y Why Superheroes Wear Their Underwear On The Outside http://bit.ly/1Ow7J0K In this video: We owe the “horsepower” unit of engine power measurement to Scottish engineer James Watt. In the early 1780s, after making a vastly superior steam engine to the then classic Newcomen steam engine, Watt was looking for a way to market his invention, advertising the fact that his engine used about 75% less fuel than a similarly powered Newcomen, among many other improvements. Want the text version? http://www.todayifoundout.com/index.php/2014/02/engines-commonly-measured-horsepower/ Resources/Further Reading: Image Credit (Thank you) http://upload.wikimedia.org/wikipedia/commons/1/15/Watt_James_von_Breda.jpg http://upload.wikimedia.org/wikipedia/commons/5/5c/Watt_steam_pumping_engine.JPG http://www.engineeringhalloffame.org/assets/images/slides/slide2.png http://www.gutenberg.org/files/46879/46879-h/images/frontispiece.gif