24volt.eu

Despite their decidedly mixed results in practice, there is an ongoing fascination with small-scale wind turbines that you can either mount on your roof or in your yard. One of these turbines which recently caught Google's eye is The Jellyfish Wind Appliance: The turbine is a semi-finalist in Google's Project 10 to the 100th contest.

The interesting thing about this vertical axis wind turbine is its cost, $400, and the fact that it's designed to be plugged straight into a wall outlet. Here's how its designer, Clarian Technologies describes it:

36 Inches Tall, 40 kWh Per Month