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Wasabi Smell Smoke Alarms

Wasabi Smell Smoke Alarms (Image courtesy Air Water Safety Service)
By Andrew Liszewski

An ear-piercing alarm is an effective way to alert most people about a possible fire or emergency, but what about the deaf? Flashing lights can be effective, but only if they’re visible, and the person isn’t sleeping. So a Japanese company called Air Water Safety Service has developed a new type of fire alarm that uses smell instead of sound. More specifically, it uses the chemical compound allyl isothiocyanate, which you’ll find in horseradish and wasabi, in specific quantities so as to wake someone up without giving them a burning sensation in their eyes.

In testing the alarm has been found to be effective in a room roughly about 50 square feet in size, waking someone up with smell alone in about 2 and a half minutes. Not exactly springing out of bed mind you, but it does seem to work. Unfortunately the $560 price tag has meant the units aren’t exactly flying off the shelves, but the company hopes a redesign can bring the price down to a slightly more reasonable, but still kind of expensive, $225.

[ CNET – Wasabi smoke alarm raises a stink in Japan ]







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  • http://twitter.com/AskMrBiggs Mr. Biggs

    Or you could just wire a shaker to the bedframe.

    But I'm being silly and simplistic, aren't I?

    -Biggs

  • Jessicat

    I remember hearing about this a while ago. I think that there should be something to accommodate the hearing impaired. They need to be saved from fire like anyone else. I hope with time and like you said redesign brings the cost down.

  • http://twitter.com/TakTikBitch Alex Hamilton

    Ha! As much as I love Wasabi (and oh boy, do I!) I confess the smell of this burning my nostrils would probably be quite effective. Clever idea – but yes, please may the price come down!

  • SubHero

    Fire and the smell of horseradish to me
    no matter where I might just be
    signify the sausages to be done
    and that the beer fest has begone.

  • http://www.commercialalarms.net Commercial Alarms

    Just came and read, this is wow! I was seek from many blogs, but here is the best, I love it.