Duke engineers build the first acoustic cloaking device. Built with precise layers of perforated plastic arranged like a pyramid, the device is built to make objects invisible to sound waves.
On This Day: March 11, 2014
On This Day: March 11, 2014
Duke engineers build the first acoustic cloaking device. Built with precise layers of perforated plastic arranged like a pyramid, the device is built to make objects invisible to sound waves.
