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

Une nouvelle sonnette de vélo traverse les écouteurs

DEZEEN

Une nouvelle sonnette de vélo utilise une fréquence de 1 000 Hz audible même avec des écouteurs à réduction de bruit, pour alerter plus tôt les piétons distraits. Testée à Londres, elle a offert jusqu’à cinq secondes de réaction en plus. Son design ouvert peut améliorer la sécurité urbaine.

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