Imagine traveling back in time about 2,200 years, to when nothing moves faster than the speed at which muscle or wind can move it. Think about how mind-shattering it would have been to see something ...

A steam train built in 1937 is getting a makeover that will turn it into a “higher-speed” locomotive that runs on biocoal, a coal-like fuel made with woody plant material. When finished, the train ...

Stuart Leslie argues that patents on technology allowed James Watt to finance the development of the steam engine (10 May, p 30). However, Watt never invented anything resembling the modern steam ...