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Since the onset of the Anthropocene, chemical pollution has become a major global threat to biodiversity across all ecosystems. It is no longer a ...
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The Autopian on MSNA Man Tried To Reinvent The Wheel By Making A Train With 210-Sided Polygonal WheelsThe vast majority of trains on the planet depend on the friction (also known as adhesion traction) between steel drive wheels and steel rails to turn power into motion, but the somewhat slippery metal ...
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