7.20.26 | I replaced a $120k bowling center system with ESP32s, Qwen 3.8, Claude Code uses Bun written in Rust
About this episode
This episode recaps the top posts on Hacker News from July 20, 2026, covering various technology and science topics.
This is a recap of the top 10 posts on Hacker News on Jul 20, 2026. Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights (00:00) - Intro (00:18) - Show HN: I replaced a $120k bowling center system with $1,600 in ESP32s (01:52) - Qwen 3.8 (03:11) - Claude Code uses Bun written in Rust now (04:43) - What I learned selling 2,500 MIDI recorders: Hardware is not so hard (05:57) - Claude Fable produced a counterexample to the Jacobian Conjecture (07:17) - Minecraft: Java Edition now uses SDL3 (08:28) - I joined the IndieWeb, here's what I learned (09:39) - Orion Browser by Kagi (10:58) - The Zen of Parallel Programming (12:09) - Bananas sprout in Rayleigh Garden UK after 15 years (13:14) - Outro Show HN: I replaced a $120k bowling center system with $1,600 in ESP32s https://news.ycombinator.com/item?id=48968606 Qwen 3.8 https://twitter.com/Alibaba_Qwen/status/2078759124914098291 https://news.ycombinator.com/item?id=48966120 Claude Code uses Bun written in Rust now https://simonwillison.net/2026/Jul/19/claude-code-in-bun-in-rust/ https://news.ycombinator.com/item?id=48966569 What I learned selling 2,500 MIDI recorders: Hardware is not so hard…
More episodes of Hacker News Highlights
- 7.21.26 | China's open-weights AI strategy is winning, hacker wipes Romania's land registry database, who's afraid of Chinese models
- 7.19.26 | GPT-5.6 closes convex optimization gap, Mayor Mamdani bans AI images for advertising, speech recognition and TTS less than 500kb
- 7.18.26 | AWS billing issues, HN support gratitude, Kaiser nurses concerns
- 7.17.26 | Kimi K3 Open Frontier Intelligence, Microsoft Comic Chat open source, Decoy Font
- 7.16.26 | Inkling open-weights model, Stripe and Advent's PayPal acquisition offer, Grok Build open source
- 7.15.26 | Your app could have been a webpage, Bonsai 27B runs on a phone, how to stop Claude from saying load-bearing
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