A Los Angeles police officer stands by a sound cannon at a demonstration in Anaheim – Chinese scientists say they have taken the technology to a new level. Photo: AFP

Chinese scientists develop handheld sonic weapon for crowd control

  • Gas-powered device passed for mass production after two years of research
Topic |   China science

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A Los Angeles police officer stands by a sound cannon at a demonstration in Anaheim – Chinese scientists say they have taken the technology to a new level. Photo: AFP
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