Invisibility Cloak On Its Way! Bends Light Waves Around It.
According to an article in the Washington Post, we are getting closer to a real “Harry Potter”-like invisibility cloak.  A nascent invisibility cloak now being tested, for example, is made of a material that bends light rays “backward,” a phenomenon thought to be impossible just a few years ago. Known as transformation optics, the phenomenon compels … Read more