James Watt would incrementally improve the engine’s design over the years. He added rotary motion and broadened the engine’s applications to uses beyond just pumping water.

Almost 200 years later James Watt, a Scottish inventor and mechanical engineer whose pioneering work with steam engines helped drive the Industrial Revolution, invented the first rotary steam ...

Boulton & Watt Boulton & Watt, founded by James Watt and Matthew Boulton in 1775, revolutionized steam engine technology during the Industrial Revolution.

So it was for James Watt, whose Watt engine is often considered one of the cornerstones of the Industrial Revolution. This is why the watt is what we call the unit of power equal to one joule of ...

Japan’s Mazda was once the world’s only automaker to use Wankel rotary engine tech in its cars. In late 2023 it released its first model in more than a decade to run on a rotary engine. Why ...

A new rotary engine for Mazda sports cars is entering development, and could bring all sorts of groundbreaking tech to the RX-7's successor.

Much like James Watt's improvements to the steam engine of yore, the Adams-Farwell 20 horsepower engine provided a much smoother operation because it was well-balanced, had fewer moving parts (i.e ...

Mazda's first rotary engine vehicle was the Cosmo Sport, which was introduced in 1967. Since then, Mazda has produced a variety of rotary engine vehicles, including the RX-2, RX-3, RX-4, RX-7, and ...