Hacker News Daily — July 25, 2026
30 stories · July 25, 2026
In this issue
- 1
Android May Soon Restrict On-Device ADB
kitsumed.github.io · 806 points · Discussion
Early Warning Before we dive in, please note that this is not an official Google announcement. Instead, this is based on a recent, ongoing feature request on Google IssueTracker, in which a comment by…
- 2
Stolen Buttons
anatolyzenkov.com · 439 points · Discussion
Read via the links — full text wasn’t available.
- 3
Open-weight AI is having its Kubernetes moment
tobi.knaup.me · 242 points · Discussion
Open-weight models are becoming the foundation for the next AI ecosystem. The US should compete in it, not wall itself off. I have seen a version of this story before. In 2013 I co-founded Mesosphere,…
- 4
Building a Tiny 3D Renderer for a Tiny Handheld
saffroncr.itch.io · 210 points · Discussion
Today I want to talk about my journey writing a 3D software renderer for the Playdate. At the beginning, I didn't have any performance baseline. I had no idea how feasible my idea was, so I started…
- 5
Zero roadkill as Amazon canopy bridges secure 15,000 crossings
news.mongabay.com · 207 points · Discussion
Project Reconecta installed eight rope bridges in a municipality in Brazil, and a 15-month study used camera traps to document thousands of arboreal wildlife adapting to new aerial crossings. Safe…
- 6
How My Images Are Dithered
dead.garden · 189 points · Discussion
I don't know much about dithering. But when I visit other people's sites and they dither their images in cool ways I always wonder how they do it. So in case anyone is wondering, here's my current…
- 7
NYC Apartment Aquaponics
erinmurphy.dev · 176 points · Discussion
About two years ago, my awesome boyfriend John and I set out to create an aquaponics system in our one-bedroom NYC apartment. Since my first post was more of a chronological journal about the build…
- 8
Bitchat is now on Radicle
radicle.network · 169 points · Discussion
Read via the links — full text wasn’t available.
- 9
MouthPad: A Tongue-Controlled Touchpad
augmental.tech · 147 points · Discussion
MouthPad The wor l d’s firsthands-free touchpad. MouthPad is a custom-fit mouthpiece that turns subtle tongue and head movements into precise control of your phone, tablet, and computer. The mouth is…
- 10
The Fedora 45 Sausage Factory
supakeen.com · 115 points · Discussion
This is a walkthrough of how Fedora turns source code and packages into the artifacts you download and install. It follows the a package from a packager’s git push to a composed release: ISOs, cloud…
- 11
The Dark Night of Mathematics
kirwinhampshire.substack.com · 107 points · Discussion
I am going insane. During the last week or so LLMs have produced a number of counterexamples to significant long-standing conjectures. I will not recount these happenings here, there are many places…
- 12
Charles Ross spent 50 yrs building Star Axis naked-eye observatory in New Mexico
nytimes.com · 91 points · Discussion
Read via the links — full text wasn’t available.
- 13
Tile's security is so bad it's a feature for stalkers
blog.adafruit.com · 89 points · Discussion
March 5, 2026 AT 9:23 am Overview of Tile’s location tracking vulnerabilities: unencrypted BLE broadcasts and plaintext location reporting enable persistent tracking by both the platform server and…
- 14
Engineering management after the cost of code collapsed
karimjedda.com · 87 points · Discussion
I have been a director of engineering for a bit over three years now, and I still hear and read what I call the "old rules" repeated over and over: a director should not spend time coding, good work…
- 15
Spatial languages: Writing code in 2D
shukla.io · 86 points · Discussion
I guess expressions don’t really need to read left-to-right on a line. Why can’t a < b be written vertically too? a < b All this time we’ve been writing expressions in 1D space, but what happens when…
- 16
GDID Windows – Cut the tracker that follows you even under VPN
korben.info · 79 points · Discussion
As I mentioned earlier, in April 2026, the FBI caught an alleged Scattered Spider member. The guy was hiding his traffic behind a VPN, with IPs across three different countries. And guess what? It…
- 17
The growing vigilante movement to knock out Flock surveillance cameras
theguardian.com · 77 points · Discussion
The first time that “NoMark” tried to knock out a Flock camera feed, he waited an hour for the perfect moment – pacing in and out of bushes that towered over him, a few feet behind a pole holding up…
- 18
Show HN: I made some transistor animations
brandonli.net · 60 points · Discussion
Hi HN, I made some animations of the most important kinds of transistors using my semiconductor simulation, details of which are on the page. I tried to make the visuals as realistic as possible while…
- 19
Scanwheel is a drum style mechanical television you can build yourself
github.com · 55 points · Discussion
Scanwheel is a drum style mechanical television you can build yourself. It features five windows side by side, each taking advantage of the same scanning drum, but with separate LEDs to allow separate…
- 20
Show HN: Brolly, a plain-text weather forecast site
brolly.sh · 54 points · Discussion
The UK MET office recently redesigned their site, adding a lot of additional whitespace, scrolling, and animations. This significantly reduced its usability for me, and left me wanting an ‘at a…
- 21
The Silurian Hypothesis (2020)
theparisreview.org · 48 points · Discussion
In his monthly column,  Conspiracy,  Rich   Cohen  gets to the bottom of it all.  When I was eleven, we lived in an English Tudor on Bluff Road in Glencoe, Illinois. One day,…
- 22
Producing ammonia and fertiliser using wind power in Morris, Minnesota
ammoniaenergy.org · 47 points · Discussion
By on July 20, 2026 Producing ammonia & fertiliser using wind power in Morris, Minnesota Click to learn more. Online renewable ammonia demonstrator, powered by wind turbines in Morris, Minnesota, USA.…
- 23
Bringing PyTorch Monarch to AMD GPUs
pytorch.org · 47 points · Discussion
Featured projects Training state-of-the-art large language models (LLMs) with billions of parameters requires distributed training across hundreds or thousands of GPUs. At this scale, hardware…
- 24
My web version of Mars MIPS, now has built-in C compiler
webmars.nfiles.top · 28 points · Discussion
Read via the links — full text wasn’t available.
- 25
Memory Safety Absolutists
itsallaboutthebit.com · 23 points · Discussion
Written by Piotr Sarnacki on  July 28, 2026 When seeing the title of this post, I bet in some people's minds, the first thought was "Rust devs!". This connection is not unfounded. Rust devs tend…
- 26
Show HN: Proxmox -> Share your host's Bluetooth with a VM over the network
github.com · 21 points · Discussion
TL;DR: Bluetooth passthrough to a Proxmox VM fails for Intel onboard chips (BE200, AX210, AX211 - by hardware design, no setting fixes it) and is unreliable on gaming distros like ChimeraOS and…
- 27
Rauno's Field Notes #2
rauno.me · 19 points · Discussion
Vercel Project Cards I started by tweaking the padding and co-located information to reduce the vertical space occupied by each card. Some data was also omitted, for example we realised that we don't…
- 28
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…
- 29
Conway's Game of Life, in real life
lcamtuf.coredump.cx · 12 points · Discussion
Read via the links — full text wasn’t available.
- 30
Show HN: I rewrote my 2012 self-signed cert generator in Go – cert-depot.com
9 points · Discussion
Back in 2012 I built https://cert-depot.com as a weekend project. Node.js + Express + jQuery, shelling out to OpenSSL for certificate generation. It worked but I eventually let it rot.…