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andsoitis
10 months ago
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A classic graphic reveals nature's most efficient ...
what's cool to see is that vehicles created by humans the most efficient of all
Tepix
10 months ago
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You can sail around the world without spending any fuel.
ninalanyon
10 months ago
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You will expend energy managing the sails. Quite a lot of energy if the ship in question is a tall ship.
IAmBroom
10 months ago
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To be fair, so can a jellyfish.
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