We're used to batteries powering a lot of devices, but the University of California, Riverside is upping that a notch by charging up a whole floor's worth. The school's Winston Chung Global Energy Center is walking the eco-friendly walk and has started using a huge bank of rare earth, lithium-ion batteries from Balqon to produce 1.1 megawatts, enough to keep Winston Chung Hall's entire first floor humming along while tapping renewable energy sources like solar and