That reads a bit like a line from a Harry Potter / Star Trek mash - up, but researchers have been working on real invisibility cloaks for a while now. (newscientist.com)
Because they can steer light around objects to hide the objects from view, such materials could be used to create rudimentary versions of invisibility cloaks — though so far all attempts are a far cry from Harry Potter's version. (sciencenews.org)
Metal and glass have been combined in previous metamaterials to bend light backwards or to make invisibility cloaks. (newscientist.com)