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Device for high-frequency sounds to prevent loitering by teenagers
- kljensen 16y agoI enjoyed scrolling to the bottom to listen to the different sounds the device can produce. The disclosed age/frequency pairs seem remarkably accurate and, of course, the sound is quite annoying.
- RiderOfGiraffes 16y agoThis device is not without controversy: http://www.bbc.co.uk/news/10412057 http://www.bbc.co.uk/news/10412057 http://en.wikipedia.org/wiki/The_Mosquito#Opposition http://en.wikipedia.org/wiki/The_Mosquito#Opposition http://en.wikipedia.org/wiki/The_Mosquito#Legal_status http://en.wikipedia.org/wiki/The_Mosquito#Legal_status http://www.liberty-human-rights.org.uk/issues/young-peoples-rights/human-rights-and-the-mosquito.shtml http://www.liberty-human-rights.org.uk/issues/young-peoples-... http://www.dailymail.co.uk/news/article-513822/Buzz-Outcry-Childrens-Tsar-says-ultrasonic-mosquito-device-breach-teenagers-human-rights.html http://www.dailymail.co.uk/news/article-513822/Buzz-Outcry-C...
- Gibbon 16y agoMy local library solved this problem by blasting three different operas at obnoxious levels just outside the doorways. It works, but it makes me cringe every time I walk into the library.