Questions for ‘Trees power this alarm system for remote forest fires’
![a wildfire in a forest](https://www.snexplores.org/wp-content/uploads/2020/10/1030_LEM_fire_sensor-1028x579.jpg)
Once they become blazing infernos, wildfires are easy to spot. The trick to controlling fires is to catch them as they’re just entering a forested area. New tree sensors can do this. And the only energy they need to power them is wind moving through tree branches.
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