The DaVinci Institute Membership - Where great ideas happen!
February 15th, 2008 at 8:23 am

Proposal to Ban Ultrasonic Anti-Teen Device

The creators of a pioneering device that uses high-frequency sound to stop
teenagers congregating outside shops, schools and railway stations reacted
angrily today to news that the government-appointed Children’s Commissioner
wants to see it banned.

Compound Security Systems Mosquito device, which disperses young people by emitting a high-pitched sound

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