Add Yahoo as a preferred source to see more of our stories on Google. A 1925 Popular Science illustration of Anton Flettner’s rotor ship, a “sailing ship without sails,” that amazed readers—and Albert ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. On the rough and icy waters of the North Sea in 1925, an unusual ...

Before learning to make gasoline, diesel, and other substances needed to power our vehicles, wind had been humanity's fuel of choice. Unable to propel contraptions that moved over land, wind was THE ...