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nnain | 4 years ago

Well, nature does not use Tyres either.

discuss

order

Turing_Machine|4 years ago

It kinda does, in the form of hooves.

Hooves are better than t[iy]res in one way: they're self-renewing.

nnain|4 years ago

I meant in terms of the rotating motion, not wear and tear :)... since the OP was about Nature vs. Propellers.