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A Century of Quantum Mechanics
On 9 July 1925, in a letter to Wolfgang Pauli, Werner Heisenberg revealed his new ideas, which were to revolutionise physics
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A year of Rust in ClickHouse
This story is about how ClickHouse supports Rust components in the C++ code base and the challenges we had to overcome.
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Offline-First Landscape – 2025
Building Marco meant committing to IMAP and cross-platform support. Here is why offline-first proved far harder than we expected, and what we learned.
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UUIDv7 Comes to PostgreSQL 18
PostgreSQL 18 adds native support for UUIDv7. A timestamp-based UUID variant that plays nicely with btree indexes. Here's what that means for you.
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Making PyPI's test suite faster
See how we slashed PyPI’s test suite runtime from 163 to 30 seconds. The techniques we share can help you dramatically improve your own project’s testing performance without sacrificing coverage.
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Effective harnesses for long-running agents
How an initializer agent and an incremental coding agent help the Claude Agent SDK make steady progress across many context windows.
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Tektronix equipment has been used in many movies and shows
Explore Tektronix equipment in films and TV at vintageTEK. Find detailed screenshots and IDs of scopes, probes, and monitors from 1953–1984.
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A visual demo of Ruby's lazy enumerator
Where you get to play with an interactive demo to visualize how Enumerator::Lazy helps avoid unnecessary work
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What’s New in PostgreSQL 18 – a Developer’s Perspective
PostgreSQL 18 features that change how application developers write and ship code.
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Learning from failure to tackle hard problems
This blog post is based on the work BaNEL: Exploration Posteriors for Generative Modeling Using Only Negative Rewards. Tackling Very Hard Problems The ultimate aim of machine learning research is to push machines beyond human limits in critical applications, including the next generation of th
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The need for memory safety standards
For decades, memory safety vulnerabilities have been at the center of various security incidents across the industry, eroding trust in technology and costing billions. T…
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Let Kids Be Loud
In Defense of Outdoor Play
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States and cities decimated SROs, Americans' lowest-cost housing option
Low-cost micro-units, often called single-room occupancies, or SROs, were once a reliable form of housing for the United States’ poorest residents of, and newcomers to, New York, Chicago, San Francisco, and many other major U.S. cities.
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Why is Windows still tinkering with critical sections? – The Old New Thing
The critical section may be an old dog, but it's still learning new tricks.
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Benchmarking leading AI agents against Google reCAPTCHA v2
We evaluate three leading AI models—Claude Sonnet 4.5, Gemini 2.5 Pro, and GPT-5—on their ability to solve Google reCAPTCHA v2 challenges and find significant performance differences, with success rates ranging from 28% to 60%.
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There's Math.random(), and then there's Math.random() (2015)
V8’s Math.random implementation now uses an algorithm called xorshift128+, improving the randomness compared to the old MWC1616 implementation.
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Putting Andrew Ng's OCR models to the test
Testing Andrew Ng's document extraction service reveals over 50% hallucinated values in financial tables. | Pulse AI
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An Introduction to Solid Queue for Ruby on Rails
Solid Queue is Rails’ default background job backend: jobs live in your database, no Redis. See how jobs, workers, and the supervisor work under the hood.
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Public Domain Day 2026
January 1, 2026 is Public Domain Day: Works from 1930 are open to all, as are sound recordings from 1925! By Jennifer Jenkins and James Boyle[1]CC BY 4.0Please note that this site is only about US law; the copyright terms in other countries are different.[2] On January 1, 2026, thousands of copyrighted works from 1930…
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Europe's Digital Sovereignty Paradox – "Chat Control" Update
Can you build tech independence while breaking encryption?
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The rise of async AI programming
The workflow that's changing how software gets built.
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Don't Build Multi-Agents
Frameworks for LLM Agents have been surprisingly disappointing. I want to offer some principles for building agents based on our own trial & error, and…
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Tor Browser 15.0
Tor Browser 15.0 is now available, featuring an update to Firefox ESR 140, improvements to tab management and the address bar on desktop, and screen lock for Android.
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Platforms systematically removed a user because he made "most wanted CEO" cards
On December 14, James Harr, the owner of an online store called ComradeWorkwear, announced on social media that he planned to sell a deck of “Most Wanted CEO” playing cards, satirizing the infamous “Most-wanted Iraqi playing cards” introduced by the U.S. Defense Intelligence Agency in 2003. Per the...
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Big Data was used to see if TCM was scientific (2023)
People love to show that skeptics were wrong about something, especially when national pride hangs in the balance. The South China Morning Post published the following headline on November 3rd: “Scientists find traditional Chinese medicine is based on a complex network of proteins – 3,000 years before modern science.”…
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Psilocybin treatment extends cellular lifespan, improves survival of aged mice
Emory University researchers identified that psilocin, a byproduct of consuming psilocybin, the active ingredient in psychedelic mushrooms, actively delays aging in cells and organisms.
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Nano-engineered thermoelectrics enable scalable, compressor-free cooling
Researchers at Johns Hopkins APL, in collaboration with Samsung Research, have unveiled a breakthrough in solid-state cooling technology, doubling the efficiency of today’s commercial systems. Driven by the Lab’s patented nano-engineered thin-film thermoelectric materials and devices, this innovation paves the way for…
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The Microsoft SoftCard for the Apple II: Getting two processors to share memory
Reportedly Microsoft's first hardware product.