http://en.wikipedia.org/wiki/Metamaterial_cloaking http://www.youtube.com/watch?v=Za72ZFwjkjU http://videos.howstuffworks.com/science-channel/40116-sci-fi-science-invisibility-cloak-video.htm http://bigthink.com/ideas/19268 (This is an open discussion which means let people speak themselves what they want to on this topic so that I and other can learn more ,but I want to notify that Dr.Michio Kaku is a reputed respected Theoratical Physicst and reputed famous personality who also wrote Physics books with Stephan Hawking.Michio is one of the founders of recent versions of string theories.Michio in this videos gives interesting insight into invisibilty research.When I first saw all this,I thought,it's all crazy,but then LASER is also equally crazy invention.) Metamaterials is an excellent new research field and finds lot of applications.
