As the liquid turns to gaseous nitrogen at around -196 C, [The Action Lab] figured that it could be used to propel a simple steam engine at room temperature. Testing this out had amusing results.

The steam engine's story involves ingenuity and collaboration. Hero of Alexandria's early device showed steam's potential. Thomas Savery's engine pumped water from mines. James Watt improved ...

This article was originally published with the title “Improvement in the Steam Engine” in Scientific American Magazine Vol. 8 No. 15 (December 1852), p. 120 doi:10.1038 ...

And you'd be right to – but well over a thousand years before that, shortly after 0 CE, Hero of Alexandria described a sort of steam engine, used for an unknown purpose. The device is a simple ...

Xi3 says this is where Valve and it have a philosophical difference, and where the Piston will be able to offer consumers more choice than any officially blessed Steam Box.

Object Details maker, reproduction U.S. National Museum Description An engine indicator is an instrument for graphically recording the cylinder pressure versus piston displacement through an engine ...