February 21, 2010 5:00 PM Large corporations have been testing a new device that can generate power on the spot, without being connected to the electric grid. Will we have one in every home someday? Lesley Stahl reports. The Bloom Box February 21, 2010 5:00 PM Extra: One World Trade February 21, 2010 5:00 PM Bloom Box: A Skeptic's View February 21, 2010 9:25 AM Extra: Naming the Bloom Box February