Firefighters in Lake county battle one of the numerous wildfires presently raging across
California. AP BERGER
Self-powered wildfire detector could help prevent deadly blazes
By lan Randall I Aug. 24, 2020 PM
As wildfires once again rage across California, scientists say they have hit on a cheaper, easier way to detect and warn of such deadly blazes: a new type of forest fire sensor powered by nothing more than the swaying of trees. The device-the size of a soup can and costing just $20 to produce-would theoretically be much cheaper than satellite monitoring or manned patrols.