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Why Failed Refrigerant Experiment Changed Your Kitchen
On April 6, 1938, DuPont chemist Roy Plunkett discovered Teflon when a frozen cylinder of tetrafluoroethylene gas spontaneously polymerized into a white, waxy powder. The substance proved chemically inert, heat-resistant to 260°C, and extremely slippery. DuPont patented it in 1941, but its first use was classified: the Manhattan Project needed ...
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