Device for high-frequency sounds to prevent loitering by teenagers(movingsoundtech.com)
movingsoundtech.com
Device for high-frequency sounds to prevent loitering by teenagers
http://www.movingsoundtech.com/
3 comments
I 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.
My 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.
It works, but it makes me cringe every time I walk into the library.
http://www.bbc.co.uk/news/10412057
http://en.wikipedia.org/wiki/The_Mosquito#Opposition
http://en.wikipedia.org/wiki/The_Mosquito#Legal_status
http://www.liberty-human-rights.org.uk/issues/young-peoples-...
http://www.dailymail.co.uk/news/article-513822/Buzz-Outcry-C...