Low-tech Magazine underscores the potential of past and often forgotten technologies and how they can inform sustainable energy practices.

Super cool little project: 'I installed a box high up on a pole somewhere in the Mission of San Francisco. Inside is a crappy Android phone, set to Shazam constantly, 24 hours a day, 7 days a week. It's solar powered, and the mic is pointed down at the street below.'

Rotary Cell Phone Kit