Wheels are not balls. Balls are common in nature. Wheels are not. The difference... | Hacker News

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		lupire 89 days ago \| parent \| context \| favorite \| on: Why today's humanoids won't learn dexterity Wheels are not balls. Balls are common in nature. Wheels are not. The difference is that wheels need roads, which are not common nature and a large scale artificial objects.

ctack 87 days ago [–]

That makes sense. Even in the Pullman book there were natural roadways for rolling.

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