This is a recap of the top 10 posts on Hacker News on Nov 24, 2025.

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

• (00:00) - Intro

Fran Sans – font inspired by San Francisco light rail displays
https://emilysneddon.com/fran-sans-essay
https://news.ycombinator.com/item?id=46025942

A time-travelling door bug in Half Life 2
https://mastodon.gamedev.place/@TomF/115589875974658415
https://news.ycombinator.com/item?id=46009962

Native Secure Enclave backed SSH keys on macOS
https://gist.github.com/arianvp/5f59f1783e3eaf1a2d4cd8e952bb4acf
https://news.ycombinator.com/item?id=46025721

Calculus for Mathematicians, Computer Scientists, and Physicists [pdf]
https://mathcs.holycross.edu/~ahwang/print/calc.pdf
https://news.ycombinator.com/item?id=46024773

µcad: New open source programming language that can generate 2D sketches and 3D
https://microcad.xyz/
https://news.ycombinator.com/item?id=46027216

RuBee
https://computer.rip/2025-11-22-RuBee.html
https://news.ycombinator.com/item?id=46029932

Ask HN: Hearing aid wearers, what's hot?
https://news.ycombinator.com/item?id=46029699

Disney Lost Roger Rabbit
https://pluralistic.net/2025/11/18/im-not-bad/
https://news.ycombinator.com/item?id=45968827

The Cloudflare outage might be a good thing
https://gist.github.com/jbreckmckye/32587f2907e473dd06d68b0362fb0048
https://news.ycombinator.com/item?id=46029908

New magnetic component discovered in the Faraday effect after nearly 2 centuries
https://phys.org/news/2025-11-magnetic-component-faraday-effect-centuries.html
https://news.ycombinator.com/item?id=45985008