Howe Industries has submitted a design for a solar-powered steam rocket engine for propelling CubeSats to the National Science Foundation (NSF). With only two moving parts, the ThermaSat engine uses a ...

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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, ...

The introduction of several advanced, efficient, and more robust power options over the years has largely overshadowed steam ...