The history of the first Hemi engine from Dodge is pretty straightforward, but it turns out that the tale behind the first engines with hemispherical combustion chambers requires going down a much ...

Modern spaceflight rests on a deceptively simple idea: a machine that carries its own fuel and oxidizer, then hurls exhaust backward fast enough to push itself forward. The person who first turned ...

When he wasn't designing warships, John Ericsson was dreaming up solar technology. The Swedish American inventor, credited with the screw propeller and the first ironclad vessel in the U.S. Navy, ...

PITTSBURGH , Dec. 1, 2025 /PRNewswire/ -- "I wanted to create an improved engine design that would utilize vaporized aluminum and oxygen to generate thrust," said an inventor, from Pollocksville, N.C.