Using compressed air as a power adder (supercharger) is in vogue again! Younger readers may be wondering what we mean by this and argue that forcing super-cold, highly pressurized air into an engine’s ...

When you’ve gone to the trouble of building your own backyard railway, chances are pretty good that at some point, you’re going to want to add a locomotive of some sort. After all, nobody wants to be ...

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 ...

An Australian man has invented a vehicle powered by compressed air, although it’s not the world’s first, despite his claims (I’ve seen other prototypes before). However, the best part of Angelo Di ...

A 20-year-old mastermind from Romania has built the world's first full-size Lego car, with a compressed air-powered Lego engine. It has space for two passengers and can hit a top speed of around 30 ...

An engine's displacement dictates power output based on the bore and stroke, while compression ratio influences how strong ...

This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...