photo: Charlie Foster - Youth Radio/ BY-NC-SA

In the middle of the Maker Faire, the world's largest festival for professional and amatuer inventors, a team of Youth Radio producers is demostrating an invention of its own: a sonic collage made up of noises recorded minutes before on the fairground. Click on the player above to hear for yourself.

We're also covering the faire live on Twitter. Follow us: http://twitter.com/youthradio