Hacker News Daily — July 19, 2026
30 stories · July 19, 2026
In this issue
- 1
Show HN: I replaced a $120k bowling center system with $1,600 in ESP32s
765 points · Discussion
I might be the only SRE on Earth with his own bowling center. It's a more in-depth gig than you'd think. My family and I bought an abandoned 8-lane bowling center in the rural mid-west. In our small…
- 2
- 3
What I learned selling 2,500 MIDI recorders: Hardware is not so hard
chipweinberger.com · 361 points · Discussion
What I learned selling 2500 MIDI recorders, part 1: Hardware is not so hard July 19, 2026 A year and a half ago, I launched Jamcorder. A Jamcorder, in situ. It marked the completion of two life goals…
- 4
Claude Code uses Bun written in Rust now
simonwillison.net · 330 points · Discussion
19th July 2026 In Rewriting Bun in Rust Jarred Sumner made the following claim: Claude Code v2.1.181 (released June 17th) and later use the Rust port of Bun. Startup got 10% faster on Linux but…
- 5
Better and Cheaper Than IPTV
github.com · 306 points · Discussion
Smart TVs won't cast arbitrary web video, and screen mirroring is laggy and drops resolution. Castor casts the real stream instead, at full quality, from your terminal. Point Castor at a web page you…
- 6
Blender 5.2 LTS
blender.org · 295 points · Discussion
Showcase Reel Blender 5.2 LTS showcase reel featuring work by the Blender community. Watch the Recap Video New features overview by Jonathan Lampel and Wayne Dixon from CGCookie, Cartesian Caramel,…
- 7
Codex Resets
codex-resets.com · 278 points · Discussion
Codex limits reset when @thsottiaux says they do. We watch the feed so you don't have to. Time since the last blessing 2 days ago Resets bestowed Bestowed 35 Avg. miracle interval Avg. wait 8.9d…
- 8
OpenAI reduces Codex Model Context Size from 372k to 272k
github.com · 263 points · Discussion
Read via the links — full text wasn’t available.
- 9
Minecraft: Java Edition now uses SDL3
minecraft.net · 225 points · Discussion
Happy Snapshot Tues... Thursday? Yes, you read that right! As we've entered peak vacation season here in Sweden, snapshots might not come out on their usual schedule. In today's snapshot we have…
- 10
Mathematicians still don't know the fastest way to multiply numbers
scientificamerican.com · 202 points · Discussion
Elementary school students might memorize their times tables for single-digit numbers, but memorization won’t cut it when the teacher asks for three-digit multiplication. This requires an algorithm:…
- 11
Moonshot AI suspends new subscriptions due to Kimi K3 demand
twitter.com · 134 points · Discussion
Kimi K3 has received far more love than we expected, and our GPUs are feeling it. Over the past 48 hours, demand has pushed close to the limits of our current capacity. To protect the experience of…
- 12
I joined the IndieWeb, here's what I learned
en.andros.dev · 112 points · Discussion
Driven by curiosity, I decided to find out what the IndieWeb tag that kept showing up on some blogs and Mastodon toots was all about. I quickly discovered it was more than an empty concept or a…
- 13
The death and rebirth of my home server
sgt.hootr.club · 101 points · Discussion
A few evenings ago my partner and I were in the mood to install this particular Linux ISO. The guys from Red Letter Systems had spoken of it well, it had good reviews on boundingboxd, and my partner…
- 14
The Last MPEG-4 Visual Patent Has Expired
phoronix.com · 101 points · Discussion
If you are looking for a reason to celebrate today, the last of the MPEG-4 Part 2 patents expired today. While the US and EU patents around MPEG-4 Part 2 expired in recent years, until today there…
- 15
Bananas sprout in Rayleigh Garden UK after 15 years
bbc.com · 93 points · Discussion
Bananas in bloom - warm weather impact on gardens Supplied Emma (pictured) and Peter Stav waited 15 years for their plants to suddenly grow fruit Could bananas be common in British gardens soon?…
- 16
UnifiedIR for Julia
github.com · 64 points · Discussion
and others added 5 commits July 11, 2026 00:55 UnifiedIR is one IR data structure intended to span the compiler pipeline and external compilers (design specification in UnifiedIR/docs/design.md): a…
- 17
Cagire: Live Coding in Forth
cagire.raphaelforment.fr · 62 points · Discussion
AGPL-3.0 · Raphaël Maurice Forment · 2026 · v0.1.9 Download Platform Terminal Desktop macOS (Universal) zip zip · dmg · app Linux (x86_64) zip · AppImage zip · AppImage Linux (ARM) zip · AppImage zip…
- 18
Infinities, impossibilities, and the man in the white linen suit
iain.so · 54 points · Discussion
In the last years of his life, Kurt Gödel starved himself to death. Convinced that someone was poisoning his food, he ate only what his wife Adele had tasted first. When she was hospitalised after a…
- 19
HMD Touch 4G
hmd.com · 50 points · Discussion
HMD Touch 4G It’s not your old keypad phone. It’s not a bulky smartphone. This is a hybrid phone, combining the best of both worlds: Cloud Phone Service, video calls and voice messaging through the…
- 20
Heavy TV watching associated with smaller brain structures, study finds
dornsife.usc.edu · 45 points · Discussion
While watching television is linked to smaller brain volume, other types of sedentary activity were not, indicating that what one does while sitting down might matter more than previously understood.…
- 21
C64 Basic Dungeon Crawler: Goblin Attack (C64 Basic Part 8)
retrogamecoders.com · 44 points · Discussion
Read via the links — full text wasn’t available.
- 22
Land Atlas – soil, farmability, and crop analysis for land listings
land-atlas-production.up.railway.app · 43 points · Discussion
Know what land is really worth before you ever call the broker. Land Atlas captures listings as you browse any land marketplace, then scores every parcel with government-grade data: USDA soil quality…
- 23
Dupes (product clones) took over the world
vox.com · 33 points · Discussion
When Deckers, the company behind fleece-lined UGG boots, recently took Quince to court over its lookalike boots, it tried to bar Quince from referencing “dupe culture” at trial. The bid failed,…
- 24
The Zen of Parallel Programming
smolnero.com · 31 points · Discussion
As I continue reading An Introduction to Parallel Programming, I cannot help but notice a connection between communication among processors, communication among human beings, and communication within…
- 25
HomeLab #1: MikroTik as a Home Router
justsomebody.dev · 26 points · Discussion
How it all begin… Know your ISP IPoE or PPPoE Protocol What your ISP gives you Typical setup on MikroTik IPoE IP address, gateway, DNS via DHCP on the WAN Add DHCP client on the WAN port PPPoE…
- 26
Modder Runs GTA III Inside GTA: San Andreas on an In-Game TV
videocardz.com · 21 points · Discussion
Read via the links — full text wasn’t available.
- 27
Orion Browser by Kagi
orionbrowser.com · 18 points · Discussion
WebKit. Extensions. Privacy. Pick all three. Orion — A web browser designed from the ground-up. Native WebKit speed, compatibility with a wide selection of extensions, and absolute privacy — finally…
- 28
Building an Arch Linux Aarch64 Port for Holo Core
collabora.com · 18 points · Discussion
Valve uses an adapted version of the Arch Linux distribution in its products. At Collabora we have been working with Valve on Holo Core, a pure aarch64 port of Arch Linux to be used as the basis for…
- 29
Natural experiments prove phytoplankton carbon removal works
onepercentbrighter.com · 17 points · Discussion
Never in a million years would the craziest of the mad geoengineers dream of adding a fraction of the iron the Sahara dumps on the North Atlantic every day. Adding nutrients to the ocean so tiny ocean…
- 30
How to organize 3 acquired companies into one coherent website
littlelanguagemodels.com · 13 points · Discussion
Company A has acquired Company B, C, and D. How do we organize their sites, for multiple products with different audiences, while making it easy to find relevant product information and quickly…