>> i know what that is. that's an invisibility cloak! >> well, harry's cloak may have made him invisible to his enemies, but scientists' new breakthrough here in real life could hide our actions from time itself. they created a t ed teeny, teen in time. it was as if it never happened at all. the process is call eed tempora cloaking, and it doesn't require a magical cloak with crystals. it requires the manipulation of light, since light is what normally allows us to see objects and understand the passage of time, the transient nature of events from one to the next. the speed of light is a constant, so that becomes the mark by which time is measured. normally, light rays bounce off objects, placing them in time and space, so there's a contextualization to the permanence of scope of the light