Raytheon Low Frequency Riot Shields

by Nick Glossop on March 11, 2012Comments Off on Raytheon Low Frequency Riot Shields

Future Riot Shields Will Suffocate Protestors with Low Frequency Speakers

Crowd control tools like the LRAD Sound Cannon emit bursts of loud and annoying sounds that can induce headaches and nausea. But Raytheon’s non-lethal pressure shield creates a pulsed pressure wave that resonates the upper respiratory tract of a human, hindering breathing and eventually incapacitating the target. The patent points out that the sound waves being generated are actually not that powerful, so while protestors might collapse from a lack of oxygen reaching their brains, their eardrums won’t be damaged in the process.
– Andrew Liszewski << Gizmodo

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