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macOS 26.2 enables fast AI clusters with RDMA over Thunderbolt
https://developer.apple.com/documentation/macos-release-notes/macos-26_2-release-notes#RDMA-over-Thunderbolt
https://news.ycombinator.com/item?id=46248644
OpenAI are quietly adopting skills, now available in ChatGPT and Codex CLI
https://simonwillison.net/2025/Dec/12/openai-skills/
https://news.ycombinator.com/item?id=46250332
Koralm Railway
https://infrastruktur.oebb.at/en/projects-for-austria/railway-lines/southern-line-vienna-villach/koralm-railway
https://news.ycombinator.com/item?id=46242871
Sick of smart TVs? Here are your best options
https://arstechnica.com/gadgets/2025/12/the-ars-technica-guide-to-dumb-tvs/
https://news.ycombinator.com/item?id=46243655
Rats Play DOOM
https://ratsplaydoom.com/
https://news.ycombinator.com/item?id=46248323
GNU Unifont
https://unifoundry.com/unifont/index.html
https://news.ycombinator.com/item?id=46248859
String theory inspires a brilliant, baffling new math proof
https://www.quantamagazine.org/string-theory-inspires-a-brilliant-baffling-new-math-proof-20251212/
https://news.ycombinator.com/item?id=46245622
Show HN: I made a spreadsheet where formulas also update backwards
https://victorpoughon.github.io/bidicalc/
https://news.ycombinator.com/item?id=46234734
Show HN: Tiny VM sandbox in C with apps in Rust, C and Zig
https://github.com/ringtailsoftware/uvm32
https://news.ycombinator.com/item?id=46249538