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, ...

When your steam engine build requires multiple microscopes, including those of the scanning electron variety, you know you’re building something really, really tiny. All of the usual tiny superlatives ...

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 ...

Miniature steam trains, engine demos and hands-on fun at Manchester’s Science and Industry Museum this May half term.