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We're still pretty efficient while not having wheel shaped limbs. Running like humans works pretty well. So well even that we can chase a lot of animals longer than they can outrun us.

There might be more efficient ways to move but we are pretty well equipped by evolution.

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> We're still pretty efficient while not having wheel shaped limbs.

Agreed, but it was gp that brought up the human vs. machine efficiency argument. Machines can have wheels.

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That's a strange comparison. Wheels are incredibly limited in the type of surfaces they can be used on.
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> That's a strange comparison

It's not strange at all, I was responding to a specific, incorrect claim. I even quoted the wrong claim in my earlier comment , and I'll repeat it again, with added emphasis

>>> humans are incredibly efficient, from an energy perspective, in anything we do, compared to machines

I simply provided contrary evidence to a well-defined, falsifiable claim. How is that strange?

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Yes, but walking and moving on wheels is oranges and apples. It would be a relevant comparison if a robot with a movement mechanism based on two feet was more efficient than a human.
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I’ll admit, at first, I thought the human vs machine comparison was about humanoid machines. But that’s too narrowly defined to be a useful comparison. Most machines in use today are not humanoid.

Then to boldly claim that humans are more efficient at anything compared to a machine, just does not follow.

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You're not wrong.

But annoyingly pedantic.

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Now compare human on bicycle to human driving a car for energy efficiency.
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