Replacing the old battery on rechargeable bike lights https://jvns.ca/blog/2026/09/27/replacing-the-old-battery-on-rechargeable-bike-lights/
Julia Evans
Replacing the old battery on rechargeable bike lights
Hello! Recently I needed bike lights for my bike. And I remembered that I already had rechargeable bike lights that I bought ten years ago, that I hadn’t tried in a long time. I tried to recharge them, but after fully charging them, they only worked for maybe…
In an $80 motel room, a discovery to shed light on the origins of life https://www.nytimes.com/2026/09/26/science/motel-science-discovery.html
Nytimes
In an $80 Motel Room, a Discovery to Shed Light on the Origins of Life
A scrappy science project led to a significant discovery: two new species of a rare organism that could elucidate a fundamental transition in the history of life on our planet.
Phyllotaxis: An audio-reactive LED display https://jagi.studio/posts/phyllotaxis/
Jagi Natarajan
Phyllotaxis: An audio-reactive LED display
One of nature's beautiful patterns captured in dancing lights
How Delhi cut electricity loss from 50 to 5 percent https://spectrum.ieee.org/delhi-electricity-loss
IEEE Spectrum
From Candlelit Kitchens to Electrified Everything: Delhi's Grid Comeback
It slashed electricity losses from 50 to 5 percent
StreetComplete on iOS is now in public beta https://github.com/streetcomplete/StreetComplete/issues/5421
GitHub
iOS - Testing! :-D · Issue #5421 · streetcomplete/StreetComplete
This ticket is something like the master ticket to coordinate development on an iOS port of StreetComplete. It replaces #1892 which also included a lot of discussion and research / observation work...
GPT-Synopsys: Frontier Intelligence to Revolutionize Chip Design https://news.synopsys.com/2026-09-30-OpenAI-and-Synopsys-Announce-GPT-Synopsys-Frontier-Intelligence-to-Revolutionize-Chip-Design
Synopsys News Releases
OpenAI and Synopsys Announce GPT-Synopsys: Frontier Intelligence to Revolutionize Chip Design
Companies form strategic partnership to dramatically advance and accelerate semiconductor innovation News Highlights: Companies sign multi-year agreement to collaborate as preferred partners to...
How to speed up the Rust compiler in September 2026 https://nnethercote.github.io/2026/09/30/how-to-speed-up-the-rust-compiler-in-september-2026.html
Nicholas Nethercote
How to speed up the Rust compiler in September 2026
My last post on the Rust compiler’s performance was two months ago and a lot has happened since then.
Clef: Open-weight decision models, and new RL fine-tuning platform https://blog.cloudflare.com/clef-decision-models/
Cloudflare Blog
Introducing Clef: our open-source decision models, and new RL fine-tuning platform
We are introducing Clef and Clef-flash, open-source decision models hosted on Workers AI for high-speed classification and agentic workflows. Also launching: a new reinforcement learning platform that allows developers to fine-tune decision models using their…
Git 3.0's upcoming SHA-256 default will be a costly mistake https://blog.gitbutler.com/git-3-sha-256
Butler's Log
Git 3.0's upcoming SHA-256 default will be a costly mistake
Git 3.0 will make SHA-256 the new default content hashing algorithm and it will be an incomprehensibly expensive and ultimately valueless and avoidable global nightmare.
To grieve, or not to grieve? https://xenaproject.wordpress.com/2026/10/01/to-grieve-or-not-to-grieve/
Xena
To grieve, or not to grieve?
Recent events in the field of AI for mathematics have shown us beyond all reasonable doubt that the field is currently undergoing a rapid transformation, unlike anything that we have ever seen befo…
Show HN: Giving Opus 5.5 a simulated paint canvas https://stillwet.art/
stillwet.art
Paintings by AI models: programs run through a simulation of oil paint.
Court agrees with EFF: Utah's VPN law demands a technical impossibility https://www.eff.org/deeplinks/2026/10/court-agrees-eff-utahs-vpn-law-demands-technical-impossibility
Electronic Frontier Foundation
Court Agrees with EFF: Utah’s VPN Law Demands a Technical Impossibility
In a win for digital rights, a federal judge has issued a preliminary injunction blocking Utah’s SB 73, the state’s draconian anti-VPN age verification law. The decision comes as EFF submitted our
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With most information hidden, the game Stratego had stumped AI until now https://arstechnica.com/science/2026/10/ai-finally-beat-the-best-stratego-player-in-history-and-did-it-on-a-budget/
Ars Technica
With most information hidden, the game Stratego had stumped AI—until now
Adding in a second neural network that guesses the identity of hidden pieces was key.