Cheap, Self-Powered Fire Sensor Could Sound an Early Alarm | #ESC_LLC #FireAlarm #Sensor #LifeSafety | A new sensor printed on an ordinary piece of paper can send a wireless alert.
Current detection methods rely heavily on human watchfulness, which can delay an effective response. Most wildfires are reported by the general public, and other alerts come from routine foot patrols and watchtower observers. Passing planes and satellites also occasionally spot something, but “the fire [first] appears on the ground,” Wang says. “When [you see] the fire from the sky … it is too late.”