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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Episoder(507)

6.16.26 | Backdoor in LinkedIn offer, Iroh 1.0, replacing Claude GBT with local model

This is a recap of the top 10 posts on Hacker News on Jun 16, 2026.Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights(00:00) - Intro (00:19) - A backdoor in a Lin...

16 Jun 12min

6.15.26 | Firewood Splitting Simulator, Your ePub Is fine, Kage—Shadow websites offline

This is a recap of the top 10 posts on Hacker News on Jun 15, 2026.Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights(00:00) - Intro (00:15) - Firewood Splitting ...

15 Jun 13min

6.14.26 | Banned noise infusion from Census Bureau, Every Frame Perfect, Amazon CEO's talks sparked crackdown on Anthropic models

This is a recap of the top 10 posts on Hacker News on Jun 14, 2026.Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights(00:00) - Intro (00:18) - Noise infusion bann...

14 Jun 14min

6.13.26 | US government halts Fable 5 and Mythos 5, open source AI must prevail, CRISPR targets "undruggable" cancers

This is a recap of the top 10 posts on Hacker News on Jun 13, 2026.Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights(00:00) - Intro (00:20) - Statement on US gov...

13 Jun 14min

6.12.26 | Homebrew 6.0.0, human effort needed for attention, AI agent bankrupts operator scanning DN42

This is a recap of the top 10 posts on Hacker News on Jun 12, 2026.Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights(00:00) - Intro (00:15) - Show HN: Homebrew 6...

12 Jun 13min

6.11.26 | Building an HTML-first site doubled users overnight, πFS, Eric Ries, "The Lean Startup," "Incorruptible" AMA

This is a recap of the top 10 posts on Hacker News on Jun 11, 2026.Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights(00:00) - Intro (00:20) - Building an HTML-fi...

11 Jun 14min

6.10.26 | Claude Fable 5, old-school graphics, dependency on Claude Fable

This is a recap of the top 10 posts on Hacker News on Jun 10, 2026.Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights(00:00) - Intro (00:20) - Claude Fable 5 (02:...

10 Jun 15min

6.9.26 | Performative-UI, Apple’s new AI architecture with Google Gemini, Siri AI

This is a recap of the top 10 posts on Hacker News on Jun 9, 2026.Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights(00:00) - Intro (00:19) - Show HN: Performativ...

9 Jun 12min