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 ...

Once upon a time, the steam engine reigned supreme -- first in trains and heavy tractors, as you well know, but eventually in cars as well. It's quite hard to fathom today, but at the turn of the 20th ...

Technology tends to have a way of becoming smaller as it evolves. The ever-convenient microchip and lithium-ion battery serve in tandem as the brains of so many devices today, and their sleek and ...