First U.S. "Power Tower" Lights Up California
Thursday, August 6, 2009 - 13:42
in Physics & Chemistry
In southern California's Antelope Valley, 24,000 silver-bright mirrors have been positioned to reflect light on two 50-meter-tall towers. And at 11:08 A.M. local time Wednesday, this concentrated light heated steam in those towers to turn a turbine--the first " power towers " in the U.S. to convert the sun's heat into electricity for commercial use. [More]