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Scaled down to 1/1000th of it's current size and that would be an interesting way to perform complex operations, like brain surgery. No more cutting in a straight line, instead you can move around objects. Though by that time we'd probably have little self-propelled nano-bots doing this work more efficiently.

Dynamic stabilization would be interesting. This could "fill" in an area, say the sudden damage to a building, perhaps even a space station or spaceship.

Movement could be another feature. This could serve as wheels to move over complex terrain (up mountains, through the bottom of the ocean). They could go from fins, to wheels, to little hands or claws, etc...

How would the robot be able to maintain coherence at such a small size?

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