Tag: PFAS
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One in eight US patents on immersion cooling for data centers belongs to Baidu — more than Microsoft, Amazon, Google, Nvidia, Intel and Dell combined. It bet heaviest on two-phase cooling, whose working fluid stopped being manufactured at the end of 2025.
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For 80 years the carbon-fluorine bond was unbreakable. Then the EPA set a 4-ppt limit, and the patent office filled up with reactors that mineralize forever chemicals instead of relocating them.
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Two dozen US patents in five years describe how to break the C-F bond. The trash company, a Battelle spinoff, and a Northwestern lab are all attacking it differently.