The best of Hacker News - June 9, 2025

1.
Building supercomputers for autocrats probably isn't good for democracy

230 points

2.
Why Android can't use CDC Ethernet (2023)

187 points

3.
FSE meets the FBI

181 points

4.
Gaussian integration is cool

157 points

5.
Administering immunotherapy in the morning seems to matter. Why?

139 points

6.
Tracking Copilot vs. Codex vs. Cursor vs. Devin PR Performance

111 points

7.
My first attempt at iOS app development

109 points

8.
Building an AI server on a budget

107 points

9.
Omnimax

100 points

10.
Kagi Reaches 50k Users

98 points

11.
Zig Devlog: Self-Hosted x86 Back End Is Now Default in Debug Mode

97 points

12.
Panjandrum: The 'giant firework' built to break Hitler's Atlantic Wall

96 points

13.
Endangered classic Mac plastic color returns as 3D-printer filament

92 points

14.
Show HN: Let’s Bend – Open-Source Harmonica Bending Trainer

88 points

15.
The wire that transforms much of Manhattan into one big, symbolic home (2017)

64 points

16.
Riding high in Germany on the world's oldest suspended railway

55 points

17.
Scientists Show Reforestation Helps Cool the Planet Even More Than Thought

39 points

18.
Analyzing IPv4 Trades with Gnuplot

28 points

19.
Software Is About Promises

14 points

20.
Web Designs are Getting too Complicated

9 points

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