​A 1,000-foot high wall might be the key to saving the midwest from tornados A towering, 50-meter thick wall may sound like the fevered dream of isolationists bent on border control, but it just might be the solution to the midwest’s tornado problems. University of Drextel physicist Rongjia Tao reckons that a trio of…

Read more http://www.engadget.com/2014/06/27/1000-foot-wall-midwest/?ncid=rss_truncated