Today's Invention: Bicycle Gears
Apr. 11th, 2005 07:20 pmAll I have to say right now is thanks to Paul de Vivie, the guy who invented bicycle gears. Makes hills actually possible to ride up. See more at Wikipedia.
Tags: Nifty Stuff, SCIENCE!, Mindscribbles
Tags: Nifty Stuff, SCIENCE!, Mindscribbles