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by nancyminusone
245 days ago
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I'd go for something in the manipulation of ropes or wires. State of the art seems to be that they can untangle a loosely knotted cord. Untying a short rope with a tightly pulled overhand knot in the middle seems like it's decades away. You have to be able to grip it well enough, then twist the rope and push (even though every physicist says pushing a rope is impossible). |
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