The Pentagon Is Building Electronics That Disappear

What if the piles of flip phones, video-game consoles and other useless electronics taking up drawer space around your house suddenly vanished? A division of the Pentagon recently enlisted the help of two organizations to make this technology a reality — though it won't be for space-saving purposes. The Defense Advanced Research Projects Agency launched a program last January called Vanishing Programmable Resources to build biodegradable electronics that begin to dissolve after someone trigg...