Sam Altman took his turn at the center of the Davos whirl this year, and he didn’t just use his moment to talk about AI — he wanted to sell the world on nuclear fusion.

We need fusion,” the Open AI CEO told Bloomberg’s Brad Stone in an interview.

“My whole model of the world is that the two important currencies of the future are compute/intelligence and energy,” he said. “There’s no way to get there without a breakthrough.”

Altman joins a long list of celebrity tech CEOs who get dreamy about the long-awaited promise of fusion energy: Jeff Bezos, Bill Gates, Marc Benioff, Dustin Moskovitz, Peter Thiel.

What is it about tech magnates and fusion? Psychologically, it’s not hard to see the appeal: Fusion is precisely the type of out-of-this-world technology that captures the attention of people who see themselves as moonshot-chasing disruptors. Fusion promises to turn the nuclear process that powers the sun and stars into virtually limitless amounts of energy with minimal environmental consequences.

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