WATCH: Video of the Japanese 'Speech-Jammer' gun in action
Japanese researchers have created a "gun" that enables its user to silence the speech of other people. The device uses a unidirectional microphone to record the speaker's voice, then play it back to them at a delay of hundredths of a millisecond. The wash of verbiage disrupts the concentration of the speaker and renders them incapable of speech.
Mar 04, 2012