We're excited @caltech.edu and Oratomic about mitten codes, which we hope will accelerate the journey to practical quantum computing. arxiv.org/abs/2607.28795
High-rate qLDPC processors
Despite significant progress on quantum low-density parity-check (qLDPC) codes, building qLDPC processors that are high-rate, high-throughput, hardware-friendly, and fast-to-decode remains a challenge...
arxiv.org
Thoughtful discussion @simonsinstitute.bsky.social led by Robert Huang on the topic researchers everywhere are talking about: How to respond to the automation of research? www.youtube.com/watch?v=vT5b...
Talk by Hsin-Yuan Huang (Oratomic, Caltech)
YouTube video by Simons Institute for the Theory of Computing
youtube.com
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.
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. Welcome to the frontier, RayJay! l1nq.com/uci46q8
Caltech Welcomes Ray Jayawardhana as Tenth President
A path-breaking scientist propelled by curiosity, Jayawardhana commits to building on the Institute's "unsurpassed legacy of discovery and impact."
caltech.edu
On Wednesday we dedicated @caltech.edu’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 generous donors who made this possible. It was a great day. www.caltech.edu/about/news/g...
Ginsburg Center for Quantum Precision Hosts Dedication Ceremony
New building will serve as a hub for the deepest explorations of the quantum realm
caltech.edu
We thought that Senator Adam Schiff would want to hear about how quantum computing will benefit the world. But actually he is just really, really curious about quantum entanglement (and knows a lot about it)! Thanks for visiting @caltech.edu, Senator. It was fun. www.youtube.com/watch?v=gWhL...
Quantum for Dummies
YouTube video by Sen. Adam Schiff
youtube.com
I'm quite amazed, and deeply honored, to see my name on this distinguished list of "AI Pioneers." Thank you, Boston Global Forum and AI World Society, for recognizing that quantum science can contribute to "an age of human flourishing." bostonglobalforum.org/publication/...
America at 250: AI Pioneers – The Leaders Shaping America in the Age of Artificial Intelligence | Boston Global Forum
bostonglobalforum.org
From dream to reality: The bridge connecting quantum information and matter to high energy physics @caltech.edu now exists.
Wise words from Garnet Chan on quantum computing and chemistry. www.newquantumera.com/podcast/quan...
Quantum Chemistry's Classical Limits with Garnet Chan
One of the most-cited arguments for near-term quantum advantage in chemistry just got a rigorous classical answer — from one of the world's leading quantum chemists. Garnet Chan's group at Caltech sol...
newquantumera.com
I'm looking forward to the Kavli Symposium tomorrow at the APS Global Physics Summit, where I'll speak about "The Road to Quantum Advantage." summit.aps.org/events/MAR-X02
Kavli Foundation Special Symposium: Quantum Science and Technology: Bridging a Shared Future for Physics and Humanity | APS Meeting
summit.aps.org
I'm thrilled that Charlie Bennett and Gilles Brassard have received the A. M. Turing Award for “their essential role in establishing the foundations of quantum information science and transforming secure communication and computing.” Congratulations! www.quantamagazine.org/quantum-cryp...
Quantum Cryptography Pioneers Win Turing Award | Quanta Magazine
Charles Bennett and Gilles Brassard were recognized for their foundational work in quantum information science.
quantamagazine.org
Garnet Chan reflects on recent progress using classical heuristics in computational quantum chemistry—and what it means for quantum computing. The lessons he draws can help to steer both classical and quantum approaches in scientifically productive directions. quantumfrontiers.com/2026/03/12/t...
The FeMo-cofactor and classical and quantum computing
Recently, my coworkers and I put out a preprint “Classical solution of the FeMo-cofactor model to chemical accuracy and its implications’’ (Zhai et al. 2026). It is a bit unusual to write comm…
quantumfrontiers.com
Today was the last meeting of our first-year seminar @caltech.edu: "Quantum information science today and tomorrow." I'm grateful to (from left to right) Andy, Jin, Fan, Ostap, Justin, Idil, Lily, Ella, and Ronald for their sparkling enthusiasm and many perceptive insights.
With characteristic attention to detail, @nicoleyh11.bsky.social offers guidance on handling faculty offers. quantumfrontiers.com/2026/03/11/n...
Nicole’s guide to navigating faculty-position offers
It’s happening. Your inbox registers an email from the chair of a faculty-hiring committee. With trembling fingers, you click on the message. “We were very impressed…we’re delighted to offer……
quantumfrontiers.com
In the last post of a 3-part series, Dominik Hangleiter highlights the importance of efficient verification of quantum advantage, and assesses the prospects for achieving it soon. quantumfrontiers.com/2026/02/28/w...
What is next in quantum advantage?
We are now at an exciting point in our process of developing quantum computers and understanding their computational power: It has been demonstrated that quantum computers can outperform classical …
quantumfrontiers.com
It's nice to find out that I'm still an influencer in particle theory: "We thank John Preskill for suggesting the phrase “One Sum To Rule Them All,” which inspired the title of this paper." arxiv.org/abs/2602.22320
One Sum To Rule Them All: A Second Order Master Rate Sum Rule for Charm Decays
We show that within the Standard Model any system of hadronic weak charm decays related by $U$-spin satisfies the following rate sum rule: (sum of CF and DCS CKM-free rates) divided by (sum of SCS CKM...
arxiv.org
Interesting format for a review article. 24 brief chapters, each offering perspective from a small subset of the 69 authors on a particular topic. quantumfrontiers.com/2026/02/11/q...
Quantum cartography
My husband and I visited the Library of Congress on the final day of winter break this year. In a corner, we found a facsimile of a hand-drawn map: the world as viewed by sixteenth-century European…
quantumfrontiers.com
An engaging account of the remarkably rich scientific legacy of physicist Luis Alvarez. www.nybooks.com/articles/202...
The Wandering Physicist | Alec Wilkinson
Luis Alvarez brought a scientific pragmatism to many of the twentieth century’s greatest mysteries, including the secrets of pyramids, the Kennedy assassination, and the disappearance of the dinosaurs...
nybooks.com
Siblings: Three of my scientific "children" (Dariel Mok, Hui Khoon Ng, Hoi-Kwong Lo) gather in Singapore. I've been blessed with many wonderful students.
While attending the Q2B Silicon Valley conference in December, I had this enjoyable conversation with Antonella Navarro, host of The Quantum Revolution podcast. www.youtube.com/watch?v=_Zas...
John Preskill on NISQ, FTQC & Quantum's Future
YouTube video by The Quantum Revolution
youtube.com
In part 2 or a 3-part series, Dominik Hangleiter continues his thoughtful assessment of the evidence for quantum advantage in random-circuit-sampling experiments. quantumfrontiers.com/2026/01/25/h...
Has quantum advantage been achieved? Part 2: Considering the evidence
Welcome back to: Has quantum advantage been achieved? In Part 1 of this mini-series on quantum advantage demonstrations, I told you about the idea of random circuit sampling (RCS) and the experimen…
quantumfrontiers.com
Here's the video of my talk on December 10 at Q2B Silicon Valley, reviewing recent progress in quantum computing. www.youtube.com/watch?v=_UoJ...
Q2B25 Silicon Valley | John Preskill, Professor, California Institute of Technology
YouTube video by QC Ware
youtube.com
Dominik Hangleiter weighs in with an informative post about a much debated question: Has quantum advantage been achieved? This is the first post in a three-part series. quantumfrontiers.com/2026/01/06/h...
Has quantum advantage been achieved?
Recently, I gave a couple of perspective talks on quantum advantage, one at the annual retreat of the CIQC and one at a recent KITP programme. I started off by polling the audience on who believed …
quantumfrontiers.com
Ken Goldberg and I talked to The Quantum Kid about quantum computing and robots. www.youtube.com/watch?v=hkb-...
Can Quantum Computing Make Robots Smarter?
YouTube video by The Quantum Kid
youtube.com
It's fun to describe quantum teleportation in terms of particles that move both forward and backward in time. And it's more than just fun: the intuition derived from that description can guide us to new applications. quantumfrontiers.com/2025/12/14/m...
Make use of time, let not advantage slip
During the spring of 2022, I felt as though I kept dashing backward and forward in time. At the beginning of the season, hay fever plagued me in Maryland. Then, I left to present talks in sou…
quantumfrontiers.com
Every December since 2017, I've delivered a keynote at Q2B Silicon Valley, commenting on recent progress in quantum computing. Here is what I said this time. It's been a good year for quantum. quantumfrontiers.com/2025/12/26/q...
Quantum computing in the second quantum century
On December 10, I gave a keynote address at the Q2B 2025 Conference in Silicon Valley. This is a transcript of my remarks. The slides I presented are here. The first century We are nearing the end …
quantumfrontiers.com
In predicting properties of electronic structure or deciphering signals produced by Nature, will classical artificial intelligence eat quantum's lunch? Here @robbieking1000.bsky.social considers the issue from the perspective of complexity theory. quantumfrontiers.com/2025/12/11/c...
Can AI Predict the Quantum Universe?
AI promises to revolutionize the way we do science, which raises a central technological question of our time: Can classical AI understand all natural phenomena, or are some fundamentally beyond it…
quantumfrontiers.com
The Institute for Quantum Information (and Matter) @caltech.edu is celebrating its 25th anniversary. It has been a great run so far, and quantum information science is more fun now than ever! www.caltech.edu/about/news/c...
Caltech's Pioneering Quantum Hub Celebrates 25 Years
John Preskill reflects on the history and impact of IQIM
caltech.edu
