Heron, the great inventor of Alexandria, described in detail what is thought to be the first working steam engine. He called it an aeolipile, or "wind ball". His design was a sealed caldron of water ...

On the final upward stroke, the steam is sucked out ... maximum power out of whatever engine he could, inventor Bruce Cower is refocusing his talents onto fuel efficiency. He has spent a modest ...

Mark Miodownik shows a working model of a steam engine originally ... portable and efficient. This clip is from the series The Genius of Invention. This clip would be ideally suited to showing ...