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:censored3: :censored3: :censored3: :censored3: :censored3: :censored3: :censored3: :censored3: :censored3: Japanese Invent Anti-Chatterbox "Gun" Now you can silence your nagging wife, or better still, your mother-in-law Have you ever thought about shutting up your talkative colleague so that you can concentrate and work in peace? Well, it seems that your prayers have been answered as two Japanese researchers have developed a non-lethal way of doing just that. The new device they have invented is called the SpeechJammer, which claims to stop people from talking. The working of this device is surprisingly simple. It comprises of a directional microphone, directional speaker, distance sensor, and a miniature computer with software code. It works on the established principle of delayed auditory feedback. This essentially states that a person's speech can be jammed, when his \ her voice is played back to him \ her at a slight delay of 200 ms. While the device has obvious applications, one serious use is to help people with speech problems. Delayed auditory feedback has been used for a long time as therapy for stutterers, with good results. Of course, it has a different effect on a normal person; it just makes him \ her stop talking. Here is a video of the device in action: We've found a few applications for this product as enumerated below: You can gracefully shut up your nagging wife or mother-in-law. Teachers can silence chattering and noisy students. The Lok Sabha Speaker can use it effectively against disruptive members of parliament. Though we wouldn't advise this, kids can use this to escape verbal abuse from parents when they get poor marks. If you have any more suggestions for using this device, do let us know in the space below. Courtesy : Techtree Thanks to Jayesh Limaye