One of the most common sounds in the modern world is the beep. From microwaves and cellphones to computers and backing-up trucks, this high-pitched alert pings us from every direction. But how is it ...
Every time a machine like this backs up, it usually emits a loud BEEP-BEEP-BEEP that travels a very long distance. It doesn't have to be One of the most popular articles 15 years ago talked about the ...
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