Philadelphia officials have turned to a controversial device to stop late-night loitering and vandalism by teens: a sonic device called the Mosquito. It's a beige speaker unit that emits a piercing, ...

If your Windows laptop is making high-pitched noises from speakers, then this post will help you fix this issue. This issue is frustrating because you cannot focus on your work. Usually, this issue ...

In Philadelphia, 30 parks and recreation centers are outfitted with a small speaker called the Mosquito. It blares a constant, high-pitched ringing noise all night long — but one that only teenagers ...