10.13.26 | Hackers trigger European fridge defrosting, Modern Web App in C, GLM-Legal

This is a recap of the top 10 posts on Hacker News on Oct 13, 2026.Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights

(00:00) - Intro

(00:18) - Hackers activate automatic defrosting in supermarket fridges across Europe

(01:18) - A Modern Web App in C

(02:39) - GLM-Legal

(03:39) - AI is a tool and using it well takes skill

(04:38) - Turn a WiFi 7 Router into a 320Msps Software Defined Radio Receiver

(05:51) - Citroen revives the 2CV for an electric age

(07:00) - The baffling intelligence of a single cell (2024)

(08:02) - Intel D270 GPU AI Accelerator–Up to 480 GB LPDDR5X

(09:14) - 11 year old unsoundness bugs found in Rust borrow checker

(10:15) - Making big downloads resumable in Firefox

(11:23) - Outro

Hackers activate automatic defrosting in supermarket fridges across Europe https://www.tomshardware.com/tech-industry/cyber-security/unprecedented-cyberattack-cripples-supermarket-fridges-across-europe-as-hackers-activate-automatic-defrosting-delivery-and-store-prices-also-impacted-by-incident https://news.ycombinator.com/item?id=50055304A Modern Web App in C https://prophitt.me/writing/a-modern-web-app-in-c https://news.ycombinator.com/item?id=50058528 GLM-Legal https://z.ai/blog/glm-legal https://news.ycombinator.com/item?id=50058507 AI is a tool and using it well takes skill https://yyhh.org/blog/2026/10/ai-is-a-tool/ https://news.ycombinator.com/item?id=50063427 Turn a WiFi 7 Router into a 320Msps Software Defined Radio Receiver https://github.com/h0m3us3r/w1700k-sdr https://news.ycombinator.com/item?id=50055593 Citroen revives the 2CV for an electric age https://www.bbc.com/news/articles/c620r33plgppo https://news.ycombinator.com/item?id=50055220 The baffling intelligence of a single cell (2024) https://jsomers.net/e-coli-chemotaxis/ https://news.ycombinator.com/item?id=50041866 Intel D270 GPU AI Accelerator–Up to 480 GB LPDDR5X https://www.intel.com/content/www/us/en/products/details/discrete-gpus/data-center-gpu/d-series.html https://news.ycombinator.com/item?id=50063365 11 year old unsoundness bugs found in Rust borrow checker https://github.com/rust-lang/rust/issues/164250 https://news.ycombinator.com/item?id=50069499 Making big downloads resumable in Firefox https://lunarwatcher.codeberg.page/til/firefox/resumable-big-downloads.html https://news.ycombinator.com/item?id=50061791