A fire alarm alerts occupants in a house or building by emitting a shrill sound. However, this is ineffective in establishments such as karaoke lounges, discotheques, or concerts where loud noise may drown out the alarm until it is too late. Heavy sleepers and the hearing impaired are also at a disadvantage as conventional alarms do not meet their needs. A device patented by Nikkei … Continue reading Wasabi Smoke Alarm Can Save Lives In A Fire