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@rogerc2738@social.vivaldi.net

2026-07-15 14:00 UTC

In late 2023, China launched a commercial underwater data center off the coast of Hainan, and they just followed it up with a massive 24-megawatt underwater facility near Shanghai. It sits on the seafloor, holds thousands of AI-training servers, uses the surrounding seawater as a natural, passive cooling jacket, and gets 95% of its power from offshore wind farms. ​The Pioneer: Microsoft actually pioneered this with Project Natick, sinking a container-sized data center off the coast of Scotland for two years. They found that the servers were actually more reliable underwater because the environment was cold, stable, and filled with nitrogen instead of oxygen (which prevents corrosion). (Note: Microsoft eventually wrapped up the experiment to focus on land-based designs, but China took the concept and ran with it) Thoughts on this technology? #AI #datacenters #china #technology https://share.google/XCFILu3wN337YRutJ

Replies (1)

  • @paco@infosec.exchange 2026-07-15 14:14

    @rogerc2738@social.vivaldi.net The electricity that generates the heat comes from what? The electric grid. What does the electric grid do to make that electricity? They burn fossil fuels above ground whose emissions accelerate climate change. Heat dissipation isn’t the problem with data centers. The problem is burning non-renewable, climate destroying fossil fuels to make the electricity. And, like bitcoin, the majority of computation we spend electricity to carry out is waste. (Intermediate byproducts, discarded wrong answers, trivial outputs we could totally live without). Good heat management doesn’t fix the thing that is bad about AI. We straight up need to burn less fossil fuel. Everything else is window dressing.

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