March 1st, 2013 | by Zachary Shahan
The U.S. Energy Department’s Advanced Research Projects Agency-Energy (ARPA-E) this week announced that 17 projects it has helped jump-start have “demonstrated
May 4th, 2011 | by Susan Kraemer
UK startup Isentropic Energy has proposed the simplest of thermal energy storage systems, according to Powermag. Two large containers of gas and gravel, one hot (500C) and one cold (–160C) provide the temperature difference to operate a heat pump. Off-peak surplus wind power or solar energy is used to heat up the contents of the hot tank and to retain that temperature
July 20th, 2010 | by Tina Casey
If you’ve ever blown up a balloon and let it go flying across the room, you’ve got the basic idea