The best of Hacker News - May 21, 2025

1.
Veo 3 and Imagen 4, and a new tool for filmmaking called Flow

557 points

2.
Deep Learning Is Applied Topology

389 points

3.
Gemma 3n preview: Mobile-first AI

282 points

4.
Litestream: Revamped

281 points

5.
Show HN: 90s.dev – Game maker that runs on the web

249 points

6.
Why does the U.S. always run a trade deficit?

211 points

7.
The NSA Selector

210 points

8.
AI's energy footprint

151 points

9.
Red Programming Language

134 points

10.
“ZLinq”, a Zero-Allocation LINQ Library for .NET

125 points

11.
Magic of software; what makes a good engineer also makes a good engineering org

122 points

12.
My favourite fonts to use with LaTeX (2022)

101 points

13.
Semantic search engine for ArXiv, biorxiv and medrxiv

92 points

14.
Writing into Uninitialized Buffers in Rust

52 points

15.
A Secret Trove of Rare Guitars Heads to the Met

40 points

16.
Show HN: apply.coop - Matching people with jobs that fit their values & passions

38 points

17.
Clojuring the web application stack: Meditation One

38 points

18.
Taito-tastic: Kiki Kaikai and its Hardware

16 points

19.
Convolutions, Polynomials and Flipped Kernels

6 points

20.
Show HN: Lipu sona – Toki Pona Learn the language of simplicity

3 points

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