Earlier this year, rocket scientists at NASA fired up an electromagnetic thruster powered by lithium metal vapor.

A prototype ion engine that uses lithium vapor as a propellant has aced its first tests, achieving 25 times more power than ...

Microsoft founder Bill Gates appears as a principal applicant on a patent published last week by the U.S. Patent and Trademark Office, but the concept in question isn’t computer-based; it’s an ...

Lock up your flywheels, folks, an American inventor is coming after them. Randy Moore of RK Transportation is working on an idea that replaces an engine's flywheel with a lightweight rotor with ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. No extant maker's marks. Devised and ...