Sushi smelling smoke detector for deaf people

275x250.jpgScientists in Japan have created a smoke detector for deaf people which warns them with the smell of wasabi.

Boffins from Shiga University of Medical Science say they needed to come up with a way of waking deaf people if they were asleep.

The problem was that 50 percent of fire victims in Japan are elderly and often have poor hearing - meaning ringing alarms don't wake them.

Professor Makoto Imai's design uses a synthesised version of wasabi which is sprayed into the air created the pungent odour.

This is said to wake most sleeping people within two and a half minutes… and give them a uncontrollable craving for sushi.
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