To see a sphere whizzing about trailing plumes of steam while ... two millennia early boggles the mind. And while we’ve seen far, far simpler versions of Hero’s Engine before, this one really ...

Some early steam cars worked well, and some did not. Some were fire pumpers that moved by themselves, and others were small locomotives with road wheels. Beginning in the 1880s, inventors tried very ...

The governor valve is therefore operated by resistance which increases as the undue velocity of the engine increases, to cut offthe steam early when necessary. Measures have been taken to secure a ...

Some early steam cars worked well, and some did not. Some were fire pumpers that moved by themselves, and others were small locomotives with road wheels. Beginning in the 1880s, inventors tried very ...