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Quacking idea: Could duck sounds replace car honks?

Quacking idea: Could duck sounds replace car honks?

Technology
Researchers are tackling sound pollution from loud car horns by developing a beep which apparently sounds like a duck's quack.The pleasant-sounding horn is designed to alert people to danger while not stressing out others within the vicinity.A quacking sound was chosen after different sounds were tested on 100 volunteers and it was found to be the most friendly for pedestrians passing by.The research was conducted at Soongsil University in Seoul, South Korea, and looked at the development of the vehicle klaxon since it was first introduced in 1908.The classical car horn's "ah-oo-gah" remains a famous sound in early motoring, but it came to be replaced by other attention-grabbing sounds.Some of those klaxons have come to be found very irritating, however. The team of scientists set about tr...