In its purest form, an engine is nothing more than an air pump; it takes in air and then returns it, although in a slightly modified form. Maximizing an engine's ability to process air will also ...

Schematic of the proposed pneumatic propulsion with multi-option for connectivity, be it grid and/or renewable energy connectivity. Scientists say they have created a methodology that could replace ...

Researchers say they've developed a method that could replace the two diesel engines currently powering a ferry boat with pneumatic propellers - offering a potentially cleaner, quieter, and more ...

On page 153, VoL 8, SCIENTIFIC AMERICAN, there is an engraving of Capt. Ericsson' hot air engine patented in 1833 ; on the succeeding page, 154, a figure of the one patented in 1850, and on page 180, ...