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-Thenrkst t1_izq5ne9 wrote

So I now imagine plausible clouds of micro and nano bots able to fix things, clean things ect... What Could Go Wrong?

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nmarshall23 t1_izs2el4 wrote

Not much.

You couldn't use them like a robot vacuum. They need to be in range of the ultrasound speaker. And the energy transfer rate is going to be ready bad.

If something went really wrong you could always use noise canceling techniques to nullify the ultrasound.

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