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 ...

In 1926 an unusual vessel arrived in New York after crossing the Atlantic. This was a converted sailing ship renamed Baden-Baden. Its two masts had been torn down and a pair of 15-metre-high revolving ...

Anemoi Marine Technologies completed the installation of five Rotor Sails onboard the 400,000 dwt Very Large Ore Carrier (VLOC), Sohar Max, making it the largest vessel to receive wind propulsion ...

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 ...