@preskill
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Theoretical physicist @Caltech, Director of @IQIM_Caltech
Pasadena, California
Joined October 2010
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@TeamOratomic has raised $300M to build the world’s first fault-tolerant quantum computer.
Now we’re growing the team to make it happen. We’re looking for extraordinary people to join us in pursuing one of the defining technological achievements of our generation.
Details: oratomic.com/news/SeriesA
I'm at the #QuantumWorldCongress in College Park, MD, where I'll speak tomorrow at 9:50am "On the Road to Quantum Advantage."
Very articulate mathematicians pondering the future of math.
quantamagazine.org/live-from…
For fans of Strunk and White (I'm one), here's a version customized for scientists by @nicoleyh11.
quantumfrontiers.com/2026/08…
John Preskill retweeted
We're pleased to announce the QIP 2027 call for submissions. The key dates are as follows; refer to the website qipconference.org/2027/call/ for detailed instructions.
Interesting chat: @Jacob_Tsimerman talks to @TOEwithCurt about how AI is changing mathematics.
youtube.com/watch?v=6uIJdXmB…
We're excited @Caltech and @TeamOratomic about mitten codes, which we hope will accelerate the journey to practical quantum computing. An extraordinary team worked on this project -- I especially appreciate brilliant contributions from Caltech students Aditya Bhardwaj, Richard Ma, and Nadine Meister.
arxiv.org/abs/2607.28795
Mark Wise liked to say that @Caltech is "heaven for professors." And professors like Mark make Caltech "fairly heavenly" even for students.
quantumfrontiers.com/2026/07…
John Preskill retweeted
Welcome feedback on my new quantum disclosure law & tech policy paper. Thanks to @Preskill for helpful input.
SSRN: papers.ssrn.com/sol3/papers.…
#QuantumComputing #QuantumCryptography #PostQuantumCryptography #Cybersecurity #TechnologyPolicy #LawTech #BerkeleyLaw #StanfordLaw
John Preskill retweeted
I learned about @MarkWiseSays from John Preskill's eulogy for Mark. I heard all the tweets in his voice; and I laughed so hard, I cried. @preskill nitter.cf/preskill/status/207849…
My friend Mark Wise
quantumfrontiers.com/2026/07…
Thoughtful discussion @SimonsInstitute led by @RobertHuangHY on the topic researchers everywhere are talking about: How to respond to the automation of research?
youtube.com/watch?v=vT5blu-Z…
John Preskill retweeted
this is a timely talk with the whole research community (at least in QIP) currently pondering this very question:
"How to Respond to the Automation of Research"
by Hsin-Yuan Huang @RobertHuangHY (Caltech & @TeamOratomic )
My friend Mark Wise
quantumfrontiers.com/2026/07…
Mark Wise 1953-2026. Hero of theoretical particle physics, master of effective field theory, much loved teacher, mentor, and colleague, my best friend for over 40 years. An immeasurable loss.
John Preskill retweeted
We at @khoslaventures made the largest initial investment yet, as we did in OpenAI, into @TeamOratomic after we looked at a dozen Quantum starts in a decade. On its way to solve Shor's algorithm, the true symbol of getting to "quantum computing" FIRST. oratomic.com/. Join them in building the world’s first fault-tolerant quantum computer capable of useful applications and a fundamentally new model of computation that could have consequences far beyond what we can predict today
I feel guilty when I ask Claude to do something I could have done myself (but would have taken me much longer). Claude is so busy, I hate to be annoying. I suppose I'll get over it.
That feeling when you meet someone for the first time with whom you have already co-authored a paper.
quantumfrontiers.com/2026/06…
Today, Caltech and JPL welcome renowned astrophysicist, acclaimed author, and transformative leader, Ray Jayawardhana as the Institute’s tenth president! He brings a fierce commitment to building on Caltech’s legacy of discovery and exploration.
tinyurl.com/5y3j6ebx
On Wednesday we dedicated @Caltech's Ginsburg Center for Quantum Precision Measurement. We won’t be moving in for a few more months, but it’s going to be a beautiful facility. We’re very grateful to the donors, and to President Tom Rosenbaum and former Division Chair Fiona Harrison, who have been champions of this project. It was a great day.
caltech.edu/about/news/ginsb…
My friend Charles Cao taught me about the importance of magic in quantum spacetime: "Without magic, things are a little too simple." Thanks, @walkingthedot, for the well-written article.
quantamagazine.org/entanglem…
