sk8norcal
1 MW
http://www.hydronalix.com/
http://www.popsci.com/gadgets/article/2010-06/invention-month-robot-lifeguard
[youtube]VzLknbVZiCg[/youtube]
http://www.popsci.com/gadgets/article/2010-06/invention-month-robot-lifeguard
[youtube]VzLknbVZiCg[/youtube]