Don't look now, but Harry Potter's invisibility cloak just got a big step closer

Harry Potter fans, take note: Scientists have made an object "disappear" using a cloaking device similar in many ways to the invisibility cloak imagined by author J.K. Rowling.Researchers from the School of Electronic Engineering and Computer Science at the Queen Mary University of London worked with U.K. industry recently to demonstrate a device that allows curved surfaces to appear flat to electromagnetic waves. It's not an invisibility cloak just yet, but it could bring the much-yearned-for i