Canaries were used in mines to signal pockets of unbreathable gas; they would die before the humans giving them an opportunity to escape.
Canary has developed into a standard term for warnings which are detecting the danger allowing mitigation as opposed to predicting the danger which would allow avoidance.
Canary has developed into a standard term for warnings which are detecting the danger allowing mitigation as opposed to predicting the danger which would allow avoidance.