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=50055304

A 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