The further drones go, the more it might make sense to construct them out of biological materials. A new bio-drone could eventually be able to grow itself in remote locations, and if it gets lost in the wilderness,melt into a harmless puddle.
The shell of the drone is made from a mushroom-like material called mycelium, and cellulose coated with the same protein used to make wasp nests waterproof. Inside, the circuit board is printed with silver. Most of the materials—apart from a few components, like the motor—are biodegradable.
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