Closed-Loop Cooling Explained: The Plumbing Behind Meta’s AI

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What happened
One of the consequences of the AI boom is that cooling servers has become a serious engineering challenge. The more powerful the AI hardware becomes, the more heat it generates during operation. And at a certain point, simply blowing more air through a server rack stops being a particularly efficient method of cooling. That’s why when I visited Meta’s AI Infrastructure in Texas, one of the technologies I was most in…
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