Getting Teens to Buzz Off
A library in Christchurch, New Zealand, was abuzz with controversy last year after its administration took an offbeat approach to security. When patrons complained that they felt intimidated by groups of young people loitering outside, one of the staff’s creative solutions was to install a teens-be-gone device: an outdoor speaker emitting a mosquito-like whine at a frequency so high that only ears younger than 25 can hear it. The sound drove youngsters away, but human rights groups took the library to task for discrimination. Staff have since removed the device and are considering a less pesky solution.
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