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

Hacker News Highlights · Sep 5, 2025 · 13m

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…