To hear without being heard: First nonreciprocal acoustic circulator created
Friday, January 31, 2014 - 14:01
in Physics & Chemistry
Scientists have built the first-ever nonreciprocal circulator for sound that is able to break sound wave reciprocity. The device is a 'one-way road for sound' that transmits acoustic waves in one direction but blocks them in the other. With this device, you can listen without being heard.