Becoming Invisible, at Least to Microwaves - NYTimes.com

http://www.nytimes.com/2013/05/14/science/becoming-invisible-at-least-to-microwaves.html?src=recg&gwh=41CC8B6E80D93FD468549B9DE62EE4A2

More... http://Woohs.blogspot.com