This is a recap of the top 10 posts on Hacker News on Dec 29, 2025.

Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights

• (00:00) - Intro

What an unprocessed photo looks like
https://maurycyz.com/misc/raw_photo/
https://news.ycombinator.com/item?id=46415225

Growing up in “404 Not Found”: China's nuclear city in the Gobi Desert
https://substack.com/inbox/post/182743659
https://news.ycombinator.com/item?id=46408988

You can make up HTML tags
https://maurycyz.com/misc/make-up-tags/
https://news.ycombinator.com/item?id=46416945

Software engineers should be a little bit cynical
https://www.seangoedecke.com/a-little-bit-cynical/
https://news.ycombinator.com/item?id=46414723

Unity's Mono problem: Why your C# code runs slower than it should
https://marekfiser.com/blog/mono-vs-dot-net-in-unity/
https://news.ycombinator.com/item?id=46414819

MongoBleed Explained Simply
https://bigdata.2minutestreaming.com/p/mongobleed-explained-simply
https://news.ycombinator.com/item?id=46414475

PySDR: A Guide to SDR and DSP Using Python
https://pysdr.org/content/intro.html
https://news.ycombinator.com/item?id=46413975

As AI gobbles up chips, prices for devices may rise
https://www.npr.org/2025/12/28/nx-s1-5656190/ai-chips-memory-prices-ram
https://news.ycombinator.com/item?id=46415338

Show HN: Z80-μLM, a 'Conversational AI' That Fits in 40KB
https://github.com/HarryR/z80ai
https://news.ycombinator.com/item?id=46417815

Staying ahead of censors in 2025
https://forum.torproject.org/t/staying-ahead-of-censors-in-2025-what-weve-learned-from-fighting-censorship-in-iran-and-russia/20898
https://news.ycombinator.com/item?id=46417844