September 6, 2012 at 11:35PM Green House's lantern runs on salt and water, powers your gadgets via USB
September 22, 2011 at 7:01AM Microbial fuel cell produces hydrogen from wastewater without wasting energy
May 24, 2011 at 7:14PM Google opening seawater-cooled data center, finally glad it applied for that Wave trademark (video)
