When an inventor has a unit of measurement named after him, it's clear his work had more than a small impact on scientific and industrial progress. So it was for James Watt, whose Watt engine is often ...

In this video I show you what happens to a steam engine in a vacuum chamber and when you put liquid nitrogen in the engine .

For more than two centuries, the measurement of horsepower has been traced back to James Watt’s claims about draft horses, yet few questioned whether those numbers were accurate. In this experiment, ...