The best of Hacker News - July 4, 2025

1.
Introducing tmux-rs

678 points

2.
Opening up ‘Zero-Knowledge Proof’ technology

256 points

3.
Peasant Railgun

222 points

4.
Flounder Mode – Kevin Kelly on a different way to do great work

213 points

5.
AV1@Scale: Film Grain Synthesis, The Awakening

188 points

6.
Launch HN: K-Scale Labs (YC W24) – Open-Source Humanoid Robots

164 points

7.
Poor Man's Back End-as-a-Service (BaaS), Similar to Firebase/Supabase/Pocketbase

164 points

8.
Where is my von Braun wheel?

137 points

9.
Wind Knitting Factory

108 points

10.
Major reversal in ocean circulation detected in the Southern Ocean

102 points

11.
Caching is an abstraction, not an optimization

96 points

12.
Postcard is now open source

96 points

13.
Ubuntu 25.10 Raises RISC-V Profile Requirements

86 points

14.
High-Fidelity Simultaneous Speech-to-Speech Translation

77 points

15.
Manipulating trapped air bubbles in ice for message storage in cold regions

50 points

16.
CO2 sequestration through accelerated weathering of limestone on ships

41 points

17.
The Rise of Whatever

31 points

18.
Zig breaking change – initial Writergate

14 points

19.
Context Engineering for Agents

12 points

20.
LooksMapping

10 points

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