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 ...

WILLIAMS, AZ (AZFamily)—Steam engine 4960 is special not only because it’s one of about 200 steam engines in operation in the U.S. but also because it’s the only steam engine that completely runs on ...