The world doesn't have a "Harry Potter"-like invisibility cloak quite yet, but various research teams around the world have been making progress in figuring out how to build one.
원문출처 : http://www.cnn.com/2016/07/20/health/invisibility-cloaks-research/index.html
원문출처 : http://www.cnn.com/2016/07/20/health/invisibility-cloaks-research/index.html