Some People Talk About Space-Time Invisibility Cloaks. At Cornell, They Built One | Popular Science

Some People Talk About Space-Time Invisibility Cloaks. At Cornell, They Built One | Popular Science: "We’ve written previously about the theoretical possibility of “event cloaks”--metamaterial space-time devices that could theoretically conceal an entire event in time from the view of an outsider. Well, while some bright minds were just talking about bending space-time to their whims, a team at Cornell was doing it. And it works. For 110 nanoseconds."