The best of Hacker News - May 28, 2025

1.
Square Theory

510 points

2.
How a hawk learned to use traffic signals to hunt more successfully

369 points

3.
Show HN: My LLM CLI tool can run tools now, from Python code or plugins

293 points

4.
Pyrefly vs. Ty: Comparing Python's two new Rust-based type checkers

289 points

5.
Show HN: AutoThink – Boosts local LLM performance with adaptive reasoning

142 points

6.
The Level Design Book

118 points

7.
Running GPT-2 in WebGL: Rediscovering the Lost Art of GPU Shader Programming

115 points

8.
Space Selfie

111 points

9.
Look ma, no bubbles designing a low-latency megakernel for Llama-1B

108 points

10.
A UEFI app that sends LLDP-MED pkt at boot to negotiate PoE+ power before the OS

99 points

11.
Launch HN: Relace (YC W23) – Models for fast and reliable codegen

85 points

12.
OpenTPU: Open-Source Reimplementation of Google Tensor Processing Unit (TPU)

73 points

13.
The Ingredients of a Productive Monorepo

69 points

14.
There Is No Diffie-Hellman but Elliptic Curve Diffie-Hellman

64 points

15.
Mustard Watches (1990)

50 points

16.
A privilege escalation from Chrome extensions (2023)

34 points

17.
Using Postgres pg_test_fsync tool for testing low latency writes

21 points

18.
Nanoparticle-cell link enables EM wireless programming of transgene expression

20 points

19.
Global high-performance proof-of-stake blockchain with erasure coding

12 points

20.
Developing first petahertz-speed phototransistor in ambient conditions

4 points

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