Just because LEGO Technic is technically a toy doesn’t mean that you cannot do solid engineering with it, like building air-powered engines. After first building a simple air-powered piston engine, ...

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 ...

My first introduction to the Technic brand of Lego bricks was with the Lego Mindstorms NXT robot kit back in 2006. The earlier version of Mindstorms, the Robotics Invention System (RIS), used the ...

They might be outdated, but their mechanism is still mesmerizing, and there’s something nostalgic about watching and hearing a steam locomotive. It’s not something an electric motor can give you, ever ...