This is a recap of the top 10 posts on Hacker News on Nov 23, 2025.

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

• (00:00) - Intro

The privacy nightmare of browser fingerprinting
https://kevinboone.me/fingerprinting.html
https://news.ycombinator.com/item?id=46016249

We Induced Smells With Ultrasound
https://writetobrain.com/olfactory
https://news.ycombinator.com/item?id=46008332

Agent design is still hard
https://lucumr.pocoo.org/2025/11/21/agents-are-hard/
https://news.ycombinator.com/item?id=46013935

Meta buried 'causal' evidence of social media harm, US court filings allege
https://www.reuters.com/sustainability/boards-policy-regulation/meta-buried-causal-evidence-social-media-harm-us-court-filings-allege-2025-11-23/
https://news.ycombinator.com/item?id=46019817

China reaches energy milestone by "breeding" uranium from thorium
https://www.scmp.com/news/china/science/article/3331312/china-reaches-energy-independence-milestone-breeding-uranium-thorium
https://news.ycombinator.com/item?id=46016639

Show HN: Forty.News – Daily news, but on a 40-year delay
https://forty.news
https://news.ycombinator.com/item?id=46017175

A monopoly ISP refuses to fix upstream infrastructure
https://sacbear.com/xfinity-wont-fix-internet/
https://news.ycombinator.com/item?id=46019685

$1900 Bug Bounty to Fix the Lenovo Legion Pro 7 16IAX10H's Speakers on Linux
https://github.com/nadimkobeissi/16iax10h-linux-sound-saga
https://news.ycombinator.com/item?id=45940980

The realities of being a pop star
https://itscharlibb.substack.com/p/the-realities-of-being-a-pop-star
https://news.ycombinator.com/item?id=46016613

Kodak ran a nuclear device in its basement for decades
https://www.popularmechanics.com/science/energy/a69147321/kodak-film-nuclear-reactor/
https://news.ycombinator.com/item?id=45938005