A sailor successful the US Navy uses a long-range acoustic instrumentality during a drill David Wa / Alamy
A non-lethal instrumentality developed by the US Navy aims to surreptitiously render a idiosyncratic incapable to speak.
The device, called a handheld acoustic hailing and disruption (AHAD) system, records a target’s code with a long-range microphone and plays it backmost to them with a tiny delay. As anyone who has spoken connected a telephone oregon net telephone that echoes their dependable backmost astatine them volition cognize lone excessively well, specified delayed auditory feedback tin beryllium highly disruptive …
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