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Elon Musk explains how data centers in Space could help the US compete with China in AI “Given that Chinese AI companies are doing as well as they are with a relatively small amount of compute, it seems that if they had a lot of compute, there’s a good...

94,800 views • 10 hours ago •via X (Twitter)

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Elon Musk: The real bottleneck for AI is not chips, it is electricity. “If you look at electrical output outside of China, everywhere outside of China, it’s more or less flat. It’s maybe a slight increase, but pretty close flat. China has a rapid increase in electrical output. But if you’re putting data centers anywhere except China, where are you going to get your electricity? Especially as you scale. The output of chips is growing pretty much exponentially, but the output of electricity is flat. So how are you going to turn the chips on? Magical power sources? Magical electricity fairies? It’s harder to build on land than it is in space. It’s harder to scale on the ground than it is to scale in space. But also, you’re going to get about 5 times the effectiveness of solar panels in space versus the ground, and you don’t need batteries. I almost wore my other shirt, which says it’s always sunny in space because you don’t have a day-night cycle or seasonality, clouds, or an atmosphere in space. The atmosphere alone results in about a 30% loss of energy. So, any given solar panels can do about 5 times more power in space than on the ground, and you avoid the cost of having batteries to carry you through the night. So it’s actually much cheaper to do it in space. And my prediction is that it will be by far the cheapest place to put AI. It will be space in 36 months or less, maybe 30 months.” Dwarkesh Podcast, February 5, 2026.

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