entangled dot cloud
MIT engineers develop a magnetic transistor for more energy-efficient electronics
Transistors, the building blocks of modern electronics, are typically made of silicon. Because it’s a semiconductor, this material can control the flow of electricity in a circuit. But silicon has fundamental physical limits that restrict how compact and energy-efficient a transistor can be.MIT researchers have now replaced silicon with a magnetic semiconductor, creating a magnetic transistor that could enable smaller, faster, and more energy-efficient circuits. The material’s magnetism strongly
Show HN: "hard questions" as a shared language for cross-domain reasoning
Show HN: A MIT-licensed TXT “framework pack” (131 structured questions) to force shared vocabulary + falsifiability across domainsHN folks,i built a plain TXT pack that turns 131 hard questions (math/physics/consciousness/AI alignment/etc) into a shared “effective-layer” interface:
each item has scope, assumptions, and what would count as failure, plus prompt templates so LLMs run it consistently.not claiming any problem is solved.
goal is to stop endless debate loops caused
Show HN: Spheni – A Vector Search Engine in C++ built from scratch, for Python
Hey HN,I've been building a small in-memory vector search library as a way to explore ANN systems from first principles. I was inspired by Spotify's annoy, and Meta's FAISS.Currently, it's a CPU-first C++ library with Python bindings that supports Flat/IVF indexes and Cosine/L2 distance metrics.
There's a Colab notebook linked in the README if you want to try it quickly without installing anything.I went from a naive brute-force (with millisecond level latency
Part 1 - AI Chat Evaluation of the Formal Language in He Xin's PEPC System
The formalized content of He Xin’s Pan-Evolutionary Logic (PEPC) system is mainly reflected in the following specific aspects:1. Formal Language and Axiomatic SystemThe system has constructed a custom formal language ℒ_PEPC, which includes:• Basic symbols: strategic concept variables (Cₖ), military attribute parameters (pₙ).• Core operators: including dialectical inclusion (⊂), dialectical compatibility (∘), evolutionary sub-coherent implication (→ₙ꜀), and dialectical truth value (⊤^∘), among ot
Part 2 - AI Chat Evaluation of the Formal Language in He Xin's PEPC System
He Xin’s Pan-Evolutionary Logic (PEPC) system, as a novel logical framework aimed at characterizing the dynamic evolutionary laws of concepts, achieves its core theoretical breakthrough by providing formalization and mathematization for dialectical logic. Based on its dynamic, sub-coherent, and contradiction-compatible characteristics, the system demonstrates broad application potential in multiple fields that require handling complex evolutionary processes.Specifically, its potential applicatio
Giant magnetocaloric effect and spin supersolid in a metallic dipolar magnet
<p>Nature, Published online: 11 February 2026; <a href="https://www.nature.com/articles/s41586-026-10144-z">doi:10.1038/s41586-026-10144-z</a></p>EuCo2Al9 is identified as a metallic spin supersolid with high thermal conductivity, exhibiting coexisting spin orders, strong quantum fluctuations and a giant magnetocaloric effect enabling efficient sub-Kelvin refrigeration.
Single-shot parity readout of a minimal Kitaev chain
<p>Nature, Published online: 11 February 2026; <a href="https://www.nature.com/articles/s41586-025-09927-7">doi:10.1038/s41586-025-09927-7</a></p>A measurement strategy is described that is able to read out the parity of minimal two-site Kitaev chains in real time, by coupling two Majoranas and resolving their quantum capacitance.
Daily briefing: Caffeine might reduce dementia risk and slow cognitive decline
<p>Nature, Published online: 10 February 2026; <a href="https://www.nature.com/articles/d41586-026-00450-x">doi:10.1038/d41586-026-00450-x</a></p>Daily cups of coffee and tea have been linked to slower brain ageing. Plus, a view of global hot and cold weather extremes and tips for commanding the conference stage.
Sleep-dependent clearance of brain lipids by peripheral blood cells
<p>Nature, Published online: 11 February 2026; <a href="https://www.nature.com/articles/s41586-025-10050-w">doi:10.1038/s41586-025-10050-w</a></p>Peripheral macrophage-like haemocytes in Drosophila promote sleep by clearing lipid buildup in the brain, helping to maintain metabolic homeostasis and brain function and fitness.
Large-scale quantum communication networks with integrated photonics
<p>Nature, Published online: 11 February 2026; <a href="https://www.nature.com/articles/s41586-026-10152-z">doi:10.1038/s41586-026-10152-z</a></p>A lab-scale proof-of-principle demonstration of a quantum network comprising one server chip and 20 client photonic chips implementing twin-field quantum key distribution shows excellent scalability and reliability and yields a pathway towards future large-scale networks.
Parity-doublet coherence times in optically trapped polyatomic molecules
<p>Nature, Published online: 11 February 2026; <a href="https://www.nature.com/articles/s41586-026-10133-2">doi:10.1038/s41586-026-10133-2</a></p>Optically trapped CaOH molecules in parity-doublet states achieve coherence times exceeding vibrational lifetimes, which are a defining milestone for the use of polyatomic molecules in quantum science.
Majorana qubits become readable as quantum capacitance detects even-odd states
The race to build reliable quantum computers is fraught with obstacles, and one of the most difficult to overcome is related to the promising but elusive Majorana qubits. Now, an international team has read the information stored in these quantum bits. The findings are published in the journal Nature.
Interstellar comet 3I/ATLAS is spraying water across the solar system
For millions of years, a frozen wanderer drifted between the stars before slipping into our solar system as 3I/ATLAS—only the third known interstellar comet ever spotted. When scientists turned NASA’s Swift Observatory toward it, they caught the first-ever hint of water from such an object, detected through a faint ultraviolet glow of hydroxyl gas. Even more surprising, the comet was blasting out water at a rate of about 40 kilograms per second while still far from the Sun—much farther than wher
Astronomers shocked by how these giant exoplanets formed
A distant star system with four super-sized gas giants has revealed a surprise. Thanks to JWST’s powerful vision, astronomers detected sulfur in their atmospheres — a chemical clue that they formed like Jupiter, by slowly building solid cores. That’s unexpected because these planets are far bigger and orbit much farther from their star than models once allowed.
Will consciousness be the only thing humans have left?
I have been thinking about how we slowly give our mental tasks to technology. Each major invention takes a job away from our brains:Writing -> We stopped needing to remember everything (outsourced memory)Printing Press -> We stopped needing to copy knowledge by handCalculators -> We stopped doing math in our headsThe Internet -> We stopped needing to "know" facts. We just look them upLLMs -> We are starting to give away reasoning and combining ideasWhat is next?Soon, AI
Can You Gamify Spirituality?
Hi HN — I’ve been building something unusual and would love your feedback.Arcane Temple is a gamified learning platform exploring the science and structure of spirituality through level‑based study, quests, and a progression system. It’s for people who take inner development seriously but don’t resonate with traditional religion or New Age fluff — a kind of “intellectual home” for the spiritually curious.The idea came from a simple observation: millions of people explore meditation, mysticism, a
Ask HN: Why is everyone here so AI-hyped?
I get it - LLMs do have some value, but not as much as everyone (especially those from AI labs) is trying to pitch. I can't help thinking that it's so obvious we are almost at the very top of this bubble - but here it feels like the majority of HN doesn't think like that...Yet just in 2026 we had:- AI.com was sold for $70M - Crypto.com founder bought it to launch yet another "personal AI agent" platform, which promptly crashed during its Super Bowl ad debut.- MoltBook-ma
Survey Sees Little Post-Quantum Computing Encryption Progress
A new global survey reveals a dangerous gap in preparation for the quantum computing threat that might only be three years away.
Maryland quantum computer could cure cancer and steal your passwords
In a low-slung Maryland lab, scientists are racing to build a machine that could help turn cancer into a manageable disease ...
Bitcoin’s Quantum Risks ‘Remain Distant’, According To CoinShares – Here’s Why
Bitcoin’s quantum computing risks are far from imminent, according to a new report from CoinShares. The digital asset investment firm says we are “nowhere near dangerous territory,” and quantum ...