Wasabi Smoke Alarm
A new kind of smoke alarm hits the scene. Instead of a loud sound, the Wasabi Alarm releases a strong scent of wasabi. Studies have shown that people usually wake up within 1-2 minutes. It was created to help those who are hearing impaired so they can have some kind of warning in the event of an emergency. The airborne wasabi is guaranteed not to burn the eyes. Interesting concept if you ask me!

Source: gadgets.3yen
Posted by: thundercracker

Nice just read on CR :3
Not only can you wake up and save your life in case of fire, but you want sushi too.
the best smoke alarms are the ones that use photoelectric sensors-’:
[...] a fire. A device that would sound — er, spray — the alarm is patent pending and is guaranteed to not burn your eyes. This is the fifth year in a row that Japanese researchers have won an Ig Nobel prize. [...]