Battery used Battery charging


A Steam Powered Submarine: The Ictíneo

Narcís Monturiol successfully resolved the two basic obstacles presented to submarine inventors: air supply and mechanical power.

Life Without Airplanes: from London to New York in 3 Days and 12 Hours

If we would stuff people in the ‘Queen Mary 2’ like we fold passengers into airplane seats, the ship could transport more than 500,000 people