Hacker News Highlights5 Sep 2025

9.5.25 | Sustained attention creates loops, Stripe launches L1 Blockchain Tempo, LLM visualization

This is a recap of the top 10 posts on Hacker News on Sep 5, 2025.

(00:00) - Intro
(00:19) - Almost anything you give sustained attention to will begin to loop on itself
(01:30) - Stripe Launches L1 Blockchain: Tempo
(02:46) - LLM Visualization
(03:55) - Wikipedia survives while the rest of the internet breaks
(05:09) - Fil's Unbelievable Garbage Collector
(06:38) - WiFi signals can measure heart rate
(07:48) - What Is the Fourier Transform?
(09:12) - io_uring is faster than mmap
(10:28) - A high schooler writes about AI tools in the classroom
(11:52) - Age Simulation Suit
(13:14) - Outro

Almost anything you give sustained attention to will begin to loop on itself
https://www.henrikkarlsson.xyz/p/attention
https://news.ycombinator.com/item?id=45126503

Stripe Launches L1 Blockchain: Tempo
https://tempo.xyz
https://news.ycombinator.com/item?id=45129085

LLM Visualization
https://bbycroft.net/llm
https://news.ycombinator.com/item?id=45130260

Wikipedia survives while the rest of the internet breaks
https://www.theverge.com/cs/features/717322/wikipedia-attacks-neutrality-history-jimmy-wales
https://news.ycombinator.com/item?id=45128391

Fil's Unbelievable Garbage Collector
https://fil-c.org/fugc
https://news.ycombinator.com/item?id=45133938

WiFi signals can measure heart rate
https://news.ucsc.edu/2025/09/pulse-fi-wifi-heart-rate/
https://news.ycombinator.com/item?id=45127983

What Is the Fourier Transform?
https://www.quantamagazine.org/what-is-the-fourier-transform-20250903/
https://news.ycombinator.com/item?id=45132810

io_uring is faster than mmap
https://www.bitflux.ai/blog/memory-is-slow-part2/
https://news.ycombinator.com/item?id=45132710

A high schooler writes about AI tools in the classroom
https://www.theatlantic.com/technology/archive/2025/09/high-school-student-ai-education/684088/
https://news.ycombinator.com/item?id=45122885

Age Simulation Suit
https://www.age-simulation-suit.com/
https://news.ycombinator.com/item?id=45129190

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8.28.26 | Saving memory through DNS cache optimization, Microduck, emergence of small models

This is a recap of the top 10 posts on Hacker News on Aug 28, 2026.Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights(00:00) - Intro (00:19) - Saving 100 terabyte...

28 Aug 13min

8.27.26 | Nvidia acquires Hugging Face, GLM-5.3-Flash, CEO fires developers for AI progress

This is a recap of the top 10 posts on Hacker News on Aug 27, 2026.Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights(00:00) - Intro (00:19) - Nvidia agrees to ac...

27 Aug 14min

8.26.26 | Dolly Parton has died, Apple introduces M6 and M5 Ultra, Nitter and XCancel receive cease and desist notices

This is a recap of the top 10 posts on Hacker News on Aug 26, 2026.Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights(00:00) - Intro (00:20) - Dolly Parton has di...

26 Aug 14min

8.25.26 | Europe harming makers, Xiaomi's CPU performance, MS Paint and Photos watermarking

This is a recap of the top 10 posts on Hacker News on Aug 25, 2026.Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights(00:00) - Intro (00:19) - How Europe is killi...

25 Aug 13min

8.24.26 | Reading to improve writing, Python thinking, Texas student's AI hack whistleblower

This is a recap of the top 10 posts on Hacker News on Aug 24, 2026.Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights(00:00) - Intro (00:17) - To become a better ...

24 Aug 13min

8.23.26 | Canada matches US tariffs, Scrap from 2006, ElevenLabs TwelveLabs ThirteenLabs

This is a recap of the top 10 posts on Hacker News on Aug 23, 2026.Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights(00:00) - Intro (00:16) - Canada will match U...

23 Aug 12min

8.22.26 | Kagi adds setting for paywalled links, citizen faces felony charges for deleting phone data at US Border, Felony Bench

This is a recap of the top 10 posts on Hacker News on Aug 22, 2026.Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights(00:00) - Intro (00:16) - Kagi added a settin...

22 Aug 14min

8.21.26 | Aaron Swartz prosecution, AliExpress WebAudio fingerprinting, HTML capabilities

This is a recap of the top 10 posts on Hacker News on Aug 21, 2026.Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights(00:00) - Intro (00:18) - Aaron Swartz was pr...

21 Aug 14min