When Lund University in Sweden unleashed a press release claiming that “normal air could halve fuel consumption,” techno sites across the Web responded by regurgitating it verbatim, with few, if any, ...

Compressed air isn’t really a practical form of energy storage for headline uses like transport or heating, but it’s a fun thing to tinker with at the small scale. [Tom Stanton] is plenty experienced ...

On October 11, 2024, Astro Mechanica successfully performed the first hot-fire test up to 30% power of its Gen3 engine. Traditional turbojets, like you'd see in fighter planes, use the exhaust gas to ...