"Invisibility" cloak may hide things from sonar. By Jesse Emspak. March 24, 2014 / 9:51 AM EDT ... The waves of sound or light must come back to the detection device ...

We have seen plenty of replicas of iconic Marvel Studios items since the MCU arrived back in 2008. From helmets, shields, Infinity Stones, and much more, the MCU has been faithfully recreated for ...

Those changes make the sound waves appear to reflect off the surface the pyramid is standing on, as though it wasn't there. To build the cloak, Lucian Zigoneanu, Bogdan-Ioan Popa and Steven Cummer ...