A functional invisibility cloak is one of those things that physicists keep chasing, and every six months or so we see an update that brings us one step closer to being able to sneak around without ...

For nearly 20 years, physicists and engineers have chased the idea of invisibility. Early efforts focused on hiding objects from light using so-called metamaterials with extreme and often unrealistic ...

WASHINGTON - A cloak of invisibility may be common in science fiction but it is not so easy in the real world. New research suggests such a device may be moving closer to reality. Scientists said on ...