Some folks just can’t leave well enough alone, and that often ends up being a good thing. Such is the case with this 3D-printed compressed air engine, which just keeps getting better. The design has ...

March 6, 2009 Compressed air cars are well and truly on their way to mass production in India and America, among other places - although they seem to be taking their time. But the cheap, ...

[Tom Stanton] has been experimenting with compressed air motors on model aircraft for a good few years, but keeping them aloft (and intact) for more than a few seconds has proven a tough nut to crack.