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TIL that microorganisms are conditioned to treat our wastewater, specifically Phosphate (PO4). we reduce oxygen levels in the water to almost suffocate the microbes. Then we give them tons of oxygen bubbles. after that we but them back into anaerobic conditions. the microbes now eat the O of the PO4
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whatilearned
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TIL a significant part of the local economy of Kinmen County is making high quality chef’s knives from the over 1 million artillery shells fired on the island in the 1950s. Shells filled with propaganda leaflets instead of explosives landed whole, leaving tons of high quality steel lying around.
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whatilearned
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