Why Do Reversing Trucks Not Beep Any More?
Tom Scott · 3 HN recommendations
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Tom Scott stands by a construction site and explains why reversing vehicles now use a white-noise hiss instead of beeping. The sound is easier to locate directionally and less annoying to neighbours.
Why HN recommends it: Cited whenever backup beepers and noise come up, as a clear explanation of the white-noise alternative.
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