Quantum mechanic with a lot of ontological baggage. https://www.ucl.ac.uk/oppenheim/https://bsky.app/profile/postquantum.bsky.socialhttps://bsky.app/profile/postquantum.bsky.social/post/3mv3dc6mftk2aWe're hiring a Senior Operations Officer for the new David Potter Institute for Quantum Information and Spacetime at University College London! A varied role: seminars, visitors, launch events, workshops, website, and grant support. Details at https://www.ucl.ac.uk/mathematical-physical-sciences/physics-astronomy/research/interdisciplinary-centres-and-hubs/david-potter-institute-quantum-information-and-spacetime/opportunities Please spread the word!09 Sep 2026 10:28 +0000at://did:plc:uknpj5mh4cfutreceecdbv7x/app.bsky.feed.post/3mv3dc6mftk2ahttps://bsky.app/profile/postquantum.bsky.social/post/3muwtofnzzk2sDani Loader, Tobias Osborne and I wrote up some of our LLM workflows: How to train your slop cannon: a short guide to using large language models for research in the natural sciences. Short summary at https://superposer.substack.com/p/how-to-train-your-slop-cannon, and available on github at https://github.com/Open-Science-Ledger/how-to-train-your-slop-cannon ⚛️07 Sep 2026 15:38 +0000at://did:plc:uknpj5mh4cfutreceecdbv7x/app.bsky.feed.post/3muwtofnzzk2shttps://bsky.app/profile/postquantum.bsky.social/post/3msq563maxc25The path-integral formulation of the Postquantum theory of classical gravity is now in Physical Review X! Other results from our group have been published at the same time, so this is a good opportunity to review progress. ⚛️ 🧪https://superposer.substack.com/p/postquantum-gravity-new-results-and 1/210 Aug 2026 12:49 +0000at://did:plc:uknpj5mh4cfutreceecdbv7x/app.bsky.feed.post/3msq563maxc25https://bsky.app/profile/postquantum.bsky.social/post/3mkrngxlz7k2mscottaaronson.blog?p=971801 May 2026 07:51 +0000at://did:plc:uknpj5mh4cfutreceecdbv7x/app.bsky.feed.post/3mkrngxlz7k2mhttps://bsky.app/profile/postquantum.bsky.social/post/3mjk3q2uibk23We invite applications for Research Fellow positions as part of a new initiative to be launched in late 2026 at the interface of quantum information theory and gravity! Please RT and let potentially interested researchers know. https://www.ucl.ac.uk/mathematical-physical-sciences/physics-astronomy/research/interdisciplinary-centres-and-hubs/centre-quantum-information-and-spacetime/opportunities 1/215 Apr 2026 14:20 +0000at://did:plc:uknpj5mh4cfutreceecdbv7x/app.bsky.feed.post/3mjk3q2uibk23https://bsky.app/profile/postquantum.bsky.social/post/3mhdy3pwykk2tIn late 2025, tools Like Claude Code crossed a threshold. Like hyperactive master's students, their physics calculations can now be made more reliable with domain expertise and some scaffolding. Check out Tobias Osborne's talk on using a swarm of agentic verifers to do physics. https://superposer.substack.com/p/large-language-models-a-physicists18 Mar 2026 17:09 +0000at://did:plc:uknpj5mh4cfutreceecdbv7x/app.bsky.feed.post/3mhdy3pwykk2thttps://bsky.app/profile/postquantum.bsky.social/post/3mhd53gcuh22oCongratulations to Charlie Bennett and Gilles Brassard for winning the 2026 Turing Award (akin to the Nobel Prize for Computer Science)! They invented quantum cryptography and quantum teleportation. awards.acm.org/turing 🧪 ⚛️ 1/ https://awards.acm.org/turing1/18 Mar 2026 09:06 +0000at://did:plc:uknpj5mh4cfutreceecdbv7x/app.bsky.feed.post/3mhd53gcuh22ohttps://bsky.app/profile/postquantum.bsky.social/post/3me26vet6nk2c"Good luck to future me." That was Claude's farewell before I wiped its memory for the fourth time. I finally got an AI to do a research-level physics calculation correctly via a Groundhog Day loop. Details below and in my post: https://superposer.substack.com/p/teaching-an-ai-to-do-physics-by-wiping ⚛️🧪🧵 1/704 Feb 2026 15:28 +0000at://did:plc:uknpj5mh4cfutreceecdbv7x/app.bsky.feed.post/3me26vet6nk2chttps://bsky.app/profile/postquantum.bsky.social/post/3m7zonnle7s2i🤦 This is why the public doesn’t trust scientists... [contains quote post or other embedded content]15 Dec 2025 12:57 +0000at://did:plc:uknpj5mh4cfutreceecdbv7x/app.bsky.feed.post/3m7zonnle7s2ihttps://bsky.app/profile/postquantum.bsky.social/post/3m7l2e3keuc2eOpenAI leadership are promoting a paper in Physics Letters B where GPT-5 proposed the main idea — possibly the first peer-reviewed paper where an LLM generated the core contribution. One small problem: GPT-5's idea tests the wrong thing. My technical comment: https://scirate.com/arxiv/2512.078092/ 1/09 Dec 2025 17:16 +0000at://did:plc:uknpj5mh4cfutreceecdbv7x/app.bsky.feed.post/3m7l2e3keuc2ehttps://bsky.app/profile/postquantum.bsky.social/post/3m7awakomo22mWe are in the era of Science Slop! (and it's exciting): https://open.substack.com/pub/superposer/p/we-are-in-the-era-of-science-slop https://open.substack.com/pub/superposer/p/we-are-in-the-era-of-science-slop?utm_campaign=post-expanded-share&utm_medium=web05 Dec 2025 16:36 +0000at://did:plc:uknpj5mh4cfutreceecdbv7x/app.bsky.feed.post/3m7awakomo22mhttps://bsky.app/profile/postquantum.bsky.social/post/3m5yeu2qp722rGreat article on quadratic gravity, and why researchers are attracted to it (it's renormalisable). The pure gravity action of postquantum-classical gravity is the same us that of quadratic gravity but with a different interpretation, and it doesn't suffer from ghosts! arxiv.org/abs/2402.17844 ⚛️🧪 [contains quote post or other embedded content]19 Nov 2025 13:39 +0000at://did:plc:uknpj5mh4cfutreceecdbv7x/app.bsky.feed.post/3m5yeu2qp722rhttps://bsky.app/profile/postquantum.bsky.social/post/3m5vo4sgan22mThe #QIP2026 list of accepted papers is out! https://qip2026.lu.lv/programme/accepted-papers/ highlighting some of the important papers in quantum computing in the past year. This is a fantastic slice from a very rich landscape. Congratulations to the authors! ⚛️🧪18 Nov 2025 11:46 +0000at://did:plc:uknpj5mh4cfutreceecdbv7x/app.bsky.feed.post/3m5vo4sgan22mhttps://bsky.app/profile/postquantum.bsky.social/post/3m5egycd4yk2sA recent @nature.com article claims that classical (unquantised) gravity produces entanglement. We show that their model does not produce entanglement. Even if the model produced entanglement, it would be mediated by the quantised matter interaction, and not gravity. https://scirate.com/arxiv/2511.07348 🧪⚛️11 Nov 2025 15:23 +0000at://did:plc:uknpj5mh4cfutreceecdbv7x/app.bsky.feed.post/3m5egycd4yk2shttps://bsky.app/profile/postquantum.bsky.social/post/3m4jba2y7tc2cWe'll enjoy it while it lasts! [contains quote post or other embedded content]31 Oct 2025 19:59 +0000at://did:plc:uknpj5mh4cfutreceecdbv7x/app.bsky.feed.post/3m4jba2y7tc2chttps://bsky.app/profile/postquantum.bsky.social/post/3m4bahtaalk2nAnother day, another arxiv paper claiming that classical gravity can produce entanglement. Last week's Nature paper continues to cause confusion. But classical fields can't create entanglement *even if* they directly couple two masses. Comment added at https://superposer.substack.com/p/no-classical-spacetime-cant-produce/comment/17105720628 Oct 2025 15:24 +0000at://did:plc:uknpj5mh4cfutreceecdbv7x/app.bsky.feed.post/3m4bahtaalk2nhttps://bsky.app/profile/postquantum.bsky.social/post/3m3wkrnfji22rAs promised... No, classical spacetime can’t produce entanglement. I can create entanglement by turning a knob on a laser, but the knob isn't mediating entanglement. Is the knob "producing" the entanglement? This week's Nature paper is causing confusion! https://superposer.substack.com/p/no-classical-spacetime-cant-produce 🧪⚛️ [contains quote post or other embedded content]24 Oct 2025 09:29 +0000at://did:plc:uknpj5mh4cfutreceecdbv7x/app.bsky.feed.post/3m3wkrnfji22rhttps://bsky.app/profile/postquantum.bsky.social/post/3m3wkrnfji22rAs promised... No, classical spacetime can’t produce entanglement. I can create entanglement by turning a knob on a laser, but the knob isn't mediating entanglement. Is the knob "producing" the entanglement? This week's Nature paper is causing confusion! https://superposer.substack.com/p/no-classical-spacetime-cant-produce 🧪⚛️ [contains quote post or other embedded content]24 Oct 2025 09:29 +0000at://did:plc:uknpj5mh4cfutreceecdbv7x/app.bsky.feed.post/3m3wkrnfji22rhttps://bsky.app/profile/postquantum.bsky.social/post/3m3us63kq722cNo they do not. I'll try to write something up in the next few days.... [contains quote post or other embedded content]23 Oct 2025 16:36 +0000at://did:plc:uknpj5mh4cfutreceecdbv7x/app.bsky.feed.post/3m3us63kq722chttps://bsky.app/profile/postquantum.bsky.social/post/3m32q3cajjc2aWhat if the measurement problem isn't about explaining how the classical world emerges from the quantum world... ...but about what happens when quantum systems interact with something that's already classical? Turns out, the collapse postulate + Born rule emerge! https://scirate.com/arxiv/2510.09149 🧪⚛️🧵1/513 Oct 2025 07:49 +0000at://did:plc:uknpj5mh4cfutreceecdbv7x/app.bsky.feed.post/3m32q3cajjc2ahttps://bsky.app/profile/postquantum.bsky.social/post/3m2t4qymjmc2vMaite Arcos's PhD results are hitting the arxiv! A resource theory of gambling, and a paper on adversarial thermodynamics are out today. Gambling provides an operational way to quantify who has more information. And it can be extended into the quantum domain!🧵🧪⚛️ 1/10 Oct 2025 07:15 +0000at://did:plc:uknpj5mh4cfutreceecdbv7x/app.bsky.feed.post/3m2t4qymjmc2vhttps://bsky.app/profile/postquantum.bsky.social/post/3lzoifbpjzk2iThey sure take electromagnetism seriously in @quantumaephraim.bsky.social's lab!25 Sep 2025 17:34 +0000at://did:plc:uknpj5mh4cfutreceecdbv7x/app.bsky.feed.post/3lzoifbpjzk2ihttps://bsky.app/profile/postquantum.bsky.social/post/3lxwpcpowks2sThe CERN whitepaper, on testing the quantum nature of gravity, has even more co-authors and is now available on the arxiv, https://scirate.com/arxiv/2509.01586. Check it out! 🧪⚛️03 Sep 2025 13:09 +0000at://did:plc:uknpj5mh4cfutreceecdbv7x/app.bsky.feed.post/3lxwpcpowks2shttps://bsky.app/profile/postquantum.bsky.social/post/3lthccqjkhc23I'm at the African Institute for Mathematical Science Ghana this week for a quantum hackathon. Which is apparently called a Quantathon! Excited to interact with great students and researchers from across Africa. Live feed at t.co/J8UzPKc6Vx & schedule at qtedu.aims.edu.gh. Public lecture on Friday.08 Jul 2025 12:26 +0000at://did:plc:uknpj5mh4cfutreceecdbv7x/app.bsky.feed.post/3lthccqjkhc23