Monday's powerful tornado in suburban Oklahoma City loosely followed the path of a killer twister that slammed the region in May 1999.

Space & Earth - Earth Sciences

8 hours ago not rated yet 0

(Phys.org) —SheerWind Inc. of Chaska, Minnesota is claiming in a press release that its newly developed funnel-based wind turbine system is capable of producing 600 percent more power than conventional ...

Technology - Energy & Green Tech

May 13, 2013 4.2 / 5 (63) 36 |