A Cloaking Device For Sound Will Make You Invisible To Sonar

A cloaking device that makes you appear completely invisible is still trapped in the realm of science fiction. But researchers at Duke University have successfully created a cloaking device that works with sound instead, making an object completely invisible to SONAR and other acoustic imaging techniques. » 3/12/14 6:30pm 3/12/14 6:30pm

These Unbelievable Cells Turn Wi-Fi Signals Into Usable Electricity

Forget about stealing your neighbor's Wi-Fi to surf the internet. Using cheap everyday materials, researchers at Duke University’s Pratt School of Engineering have developed a remarkable device that can convert microwave signals, like those used to wirelessly transmit the internet, into usable electricity. So in the… » 11/08/13 10:15am 11/08/13 10:15am