A new bicycle bell uses a carefully tuned 1,000Hz tone that can be heard even through noise-canceling headphones, helping cyclists warn distracted pedestrians earlier. In London tests, it gave people up to five extra seconds to react. The open design could help make city streets safer worldwide.
(c) Solé Bicycles

New bike bell cuts through headphones to make streets safer

DEZEEN

A new bicycle bell uses a carefully tuned 1,000Hz tone that can be heard even through noise-canceling headphones, helping cyclists warn distracted pedestrians earlier. In London tests, it gave people up to five extra seconds to react. The open design could help make city streets safer worldwide.

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