How to dig a hole with two drone and a parachute. That’s a headline painfully hard to skip over and we did not. IEEE Spectrum is reporting on the portable digging system that is proving up to the many-faceted task: keeping a useful distance, locating a spot that is diggable, landing, then verifying that the spot really is diggable, proceeding to dig a hole and install a sensor, and fly off.

Source: Techxplore

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