John Preskill

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@preskill

Theoretical physicist @Caltech, Director of @IQIM_Caltech

Pasadena, California preskill.caltech.edu Joined October 2010

1K Following 346K Followers 6.1K Posts

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John Preskill @preskill Oct 8

It's an exciting time @TeamOratomic. We are on a focused mission to build a utility-scale, fault-tolerant quantum computer, and have now raised $775M since our launch in March 2026.

Find out more about us here:
oratomic.com/news/mission

www.oratomic.com Building the Computer | Oratomic At Oratomic, our mission is to build the world's first utility-scale fault-tolerant quantum computers.

John Preskill @preskill 1d

Group photo from last week's Nobel Symposium on Quantum Computing @STIAS_SA. It was inspiring to hang out with this crowd.

John Preskill @preskill 3d

I always appreciate an opportunity to emphasize that the burgeoning quantum industry in California and elsewhere is building on decades of curiosity-driven fundamental research, mostly done at universities.
caltech.edu/about/news/cal…

www.caltech.edu Caltech and the New California Quantum Ecosystem The breakthroughs accelerating the growth of California's quantum innovation ecosystem depend on fundamental science and engineering from Caltech and other academic institutions, according to Caltech...

John Preskill @preskill 4d

Slides for my talk at the Nobel Symposium on Quantum Computing: "Quantum error correction gets real"
preskill.caltech.edu/talks/Preskill…

John Preskill @preskill 4d

Wise words from @JosephPConlon (and from Steve Weinberg): "Go for the messes - that's where the action is."

Joseph Conlon @JosephPConlon 4d

Some thoughts on AI, theoretical physics, careers and the question of whether this is a good time to do a PhD in theoretical physics (which I will just call ‘theory’ for shorthand). Stimulated by a conversation with one of my undergrads. 1/9
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