Thom Leavy of PopSci shows how to make a wind-powered record player.
Digital music relies on unseen technology to translate bits and bytes into tunes. An analog machine like a record player is much easier to understand. To make it even simpler, Popular Science built a motor-free device powered by the wind. This project is cheaper than a real record player, but the sound quality depends on the breeze's speed, which can easily turn your songs into Alvin and the Chipmunks covers. For a steady source of air, try a fan or even an air-conditioning vent.
Needs a centrifugal governor:
