Before electronic sensors, miners carried caged canaries into the tunnels. When the bird stopped singing, death was minutes away. The canary was the first line of defense against invisible poison, a living alarm in a world without technology.This book traces the evolution of early warning systems across industries and centuries. From the literal canaries in coal mines to the financial indicators that failed before the 2008 crash, you will discover how humans have always sought signals of coming disaster. Some warnings were heeded. Many were ignored until bodies piled up.The Canary Principle...
Before electronic sensors, miners carried caged canaries into the tunnels. When the bird stopped singing, death was minutes away. The canary was the f...
