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Back to school - with the phone call your teacher can't hear
Students have always tried to best their teachers in the small-scale warfare that is school, and now they have biology and technology on their side - at least where mobile phones are concerned. The psycho ringtone has arrived in Austria.
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Mosquito device considered to tackle rowdy youths
AN ULTRASONIC device that deters teenagers with a high-pitched noise is being considered for a site in Yate plagued with anti-social behaviour.
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One Device Tracks Gunshots; Another Stops Teens from Loitering
Richland County deputies have unveilved two new high-tech devices which they say should help to combat and reduce crime.
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Latest bid to fight bad behaviour
The Richland County Sheriff’s Department is putting two pieces of technology in the field to detect gunshots and disperse young loiterers without the presence of deputies.
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Latest bid to fight bad behaviour
UNRULY teenagers are making the lives of people in Berkeley a misery according to residents. Frustrated residents claim criminal damage, noise, speeding and underage drinking are all becoming a common scene late at night in Berkeley town centre. The public toilets on Marybrook Street are also believed to be used for suspected drug abuse and sex acts.
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'Mosquito' deserves try
A recent letter writer was correct with his statement that the Mosquito ultrasonic teen repellent operates at 80 to 90 dB and emits a frequency of 18 kHz. This was an obvious miscommunication.
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Town turns to a teenage repellent
The mosquito device has been put up at the Willows Arts Centre in George Street
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Teens Turn 'Repeller' into Adult-Proof Ringtone
The war between teens and authority figures has a new -- or old -- front: ears. British shopkeepers tired of teenage loiterers have turned to the Mosquito teen repellent, which emits a high-pitch frequency that most teenagers can hear -- but not most adults.

But now teens have struck back against the Mosquito: They are using the same sound to communicate without adults' knowledge.

At issue is a text-message ringtone that emits the same pitch as the Mosquito. Using it, students can learn about a new message while they're in class -- where they're not supposed to be using their cellphones. Most of their teachers can't hear the alert.

Inventor Howard Stapleton, creator of the Mosquito teen repellent, says only a few people over age 30 can hear the Mosquito's sound. He and his 16-year-old daughter Isabel talk to Melissa Block about the sound, which has been dubbed "Teen Buzz."

Author Melissa Block
Publication NPR
Date 26 May 2006
Link www.npr.org

 

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