The best of Hacker News - May 31, 2025

1.
Photos taken inside musical instruments

478 points

2.
The ‘white-collar bloodbath’ is all part of the AI hype machine

345 points

3.
Systems Correctness Practices at Amazon Web Services

317 points

4.
Microsandbox: Virtual Machines that feel and perform like containers

282 points

5.
Beating Google's kernelCTF PoW using AVX512

270 points

6.
Surprisingly fast AI-generated kernels we didn't mean to publish yet

240 points

7.
Silicon Valley finally has a big electronics retailer again: Micro Center opens

194 points

8.
The Darwin Gödel Machine: AI that improves itself by rewriting its own code

159 points

9.
Show HN: Icepi Zero – The FPGA Raspberry Pi Zero Equivalent

124 points

10.
Mary Meeker's first Trends report since 2019, focused on AI

121 points

11.
Valkey Turns One: Community fork of Redis

116 points

12.
Revenge of the Chickenized Reverse-Centaurs

75 points

13.
Anthropic launches a voice mode for Claude

70 points

14.
Reverse engineering of Linear's sync engine

66 points

15.
How to run cron jobs in Postgres without extra infrastructure

58 points

16.
Ray Tracing in J

55 points

17.
Java Virtual Threads Ate My Memory: A Web Crawler's Tale of Speed vs. Memory

46 points

18.
Every 5x5 Nonogram

38 points

19.
Show HN: MCP Defender – OSS AI Firewall for Protecting MCP in Cursor/Claude etc.

18 points

20.
How large should your sample size be?

13 points

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