At first I thought the idea was to sense the state of forestry plantations. But no, it was for setting up apparently temporary networks to share sensor data. So the word 'attacks' is wrong in the sense that it is very misleading. Bad science. But the precision you can use for tagging trees is a useful learning.
Dart-Shooting Drone Attacks Trees for Science By IEEE Spectrum
Researchers in the Aerial Robotics Lab of Imperial College London in the U.K. are working on a method to increase the efficiency of setting up sensor networks by using a drone to launch laser-aimed, sensor-equipped darts.
Researchers in the Aerial Robotics Lab of Imperial College London in the U.K. are working on a method to increase the efficiency of setting up sensor networks by using a drone as a launching platform for laser-aimed, sensor-equipped darts.
In indoor tests using magnets, researchers found the darts, fired from a spring-loaded launcher, hit its target and stuck 90% to 100% of the time, at a distance of 1 to 4 meters away.
The drone was controlled manually in its initial outdoor tests, which also were successful, but the researchers plan to add vision state estimation and positioning, and a depth sensor to allow for autonomous drone flights.
From IEEE Spectrum
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