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NIST scientists create 'any wavelength' lasers

https://www.nist.gov/news-events/news/2026/04/any-color-you-nist-scientists-create-any-wavelength...
173•rbanffy•5h ago•75 comments

Anonymous request-token comparisons from Opus 4.6 and Opus 4.7

https://tokens.billchambers.me/leaderboard
431•anabranch•10h ago•430 comments

The electromechanical angle computer inside the B-52 bomber's star tracker

https://www.righto.com/2026/04/B-52-star-tracker-angle-computer.html
277•NelsonMinar•9h ago•80 comments

College instructor turns to typewriters to curb AI-written work

https://sentinelcolorado.com/uncategorized/a-college-instructor-turns-to-typewriters-to-curb-ai-w...
142•gnabgib•7h ago•144 comments

Updating Gun Rocket through 10 years of Unity Engine

https://jackpritz.com/blog/updating-gun-rocket-through-10-years-of-unity-engine
13•tyleo•2d ago•0 comments

Modern Common Lisp with FSet

https://fset.common-lisp.dev/Modern-CL/Top_html/index.html
91•larve•3d ago•7 comments

Optimizing Ruby Path Methods

https://byroot.github.io/ruby/performance/2026/04/18/faster-paths.html
54•weaksauce•5h ago•20 comments

Why Japan has such good railways

https://worksinprogress.co/issue/why-japan-has-such-good-railways/
313•RickJWagner•13h ago•312 comments

Migrating from DigitalOcean to Hetzner

https://isayeter.com/posts/digitalocean-to-hetzner-migration/
684•yusufusta•12h ago•355 comments

State of Kdenlive

https://kdenlive.org/news/2026/state-2026/
336•f_r_d•14h ago•114 comments

Thoughts and feelings around Claude Design

https://samhenri.gold/blog/20260418-claude-design/
235•cdrnsf•6h ago•158 comments

NASA Shuts Off Instrument on Voyager 1 to Keep Spacecraft Operating

https://science.nasa.gov/blogs/voyager/2026/04/17/nasa-shuts-off-instrument-on-voyager-1-to-keep-...
67•sohkamyung•2h ago•25 comments

Dad brains: How fatherhood rewires the male mind

https://www.bbc.com/future/article/20260417-fatherhood-how-the-male-brain-and-body-prepare-for-ch...
78•tchalla•3h ago•32 comments

Zero-Copy GPU Inference from WebAssembly on Apple Silicon

https://abacusnoir.com/2026/04/18/zero-copy-gpu-inference-from-webassembly-on-apple-silicon/
17•agambrahma•3h ago•8 comments

Michael Rabin has died

https://en.wikipedia.org/wiki/Michael_O._Rabin
389•tkhattra•3d ago•81 comments

Show HN: MDV – a Markdown superset for docs, dashboards, and slides with data

https://github.com/drasimwagan/mdv
95•drasim•10h ago•35 comments

My first impressions on ROCm and Strix Halo

https://blog.marcoinacio.com/posts/my-first-impressions-rocm-strix-halo/
17•random_•4h ago•1 comments

Sumida Aquarium Posts 2026 Penguin Relationship Chart, with Drama and Breakups

https://www.sumida-aquarium.com/special/sokanzu/en/2026/
167•Lwrless•3d ago•5 comments

A story about how I dug into the PostgreSQL sources to write my own WAL receiver

https://medium.com/@mailbox.sq7/a-long-story-about-how-i-dug-into-the-postgresql-source-code-to-w...
21•alzhi7•22h ago•2 comments

Scientists discover “cleaner ants” that groom giant ants in Arizona desert

https://www.sciencedaily.com/releases/2026/04/260414075641.htm
80•t-3•3d ago•29 comments

Floating Point Fun on Cortex-M Processors

https://danielmangum.com/posts/floating-point-cortex-m/
40•hasheddan•1d ago•1 comments

PgQue: Zero-Bloat Postgres Queue

https://github.com/NikolayS/pgque
86•gmcabrita•9h ago•13 comments

Understanding the FFT Algorithm (2013)

https://jakevdp.github.io/blog/2013/08/28/understanding-the-fft/
64•peter_d_sherman•3d ago•6 comments

UpCodes (YC S17) is hiring SDRs to help make construction more productive

https://up.codes/careers?utm_source=HN
1•Old_Thrashbarg•9h ago

80386 Memory Pipeline

https://nand2mario.github.io/posts/2026/80386_memory_pipeline/
89•wicket•4d ago•12 comments

Amiga Graphics Archive

https://amiga.lychesis.net/
232•sph•19h ago•75 comments

Show HN: SmallDocs – Markdown without the frustrations

56•FailMore•3d ago•24 comments

Fuzix OS

https://www.fuzix.org/
76•DeathArrow•10h ago•25 comments

Brunost: The Nynorsk Programming Language

https://lindbakk.com/blog/introducing-brunost
134•atomfinger•5d ago•72 comments

Category Theory Illustrated – Orders

https://abuseofnotation.github.io/category-theory-illustrated/04_order/
231•boris_m•19h ago•59 comments
Open in hackernews

An accessibility update – GTK Development Blog

https://blog.gtk.org/2025/05/12/an-accessibility-update/
66•todsacerdoti•11mo ago

Comments

superkuh•11mo ago
Wonderful news. This is a big step to filling one the gaps in the various waylands that prevented them from being taken seriously (none of the waylands were really ADA compliant before since they lacked any screenreader possibilities). I hope every wayland compositor choses to implement these two protocols in mutually compatible ways.

As someone with progressive retinal tearing I'd been really worried the last 5 years or so with everything switching to one of the waylands and there being no accessibility. This is a relief. It'll probably get there before I go functionally blind.

mhitza•11mo ago
Are you using a screen reader on Linux? I tried Orca a few years back (wanting to test websites for accessibility with it) but it seemed to crash often.
lukastyrychtr•11mo ago
Definitely much better now, in a day-to-day usage I found a crash situation only once in this year. Note: I am a visually impaired Linux user and developer, I actually did the work on the shortcuts capturing API.
Octoth0rpe•11mo ago
Coincidentally, there was an eye-opening thread on nearly this exact topic on /r/linux a few days ago: https://www.reddit.com/r/linux/comments/1kkuafo/wayland_an_a...

Definitely worth reading to understand what users are going through and where open source desktops are falling short.

bobajeff•11mo ago
I hope this is the start of AccessKit getting more attention from GUI toolkits going forward.
rollcat•11mo ago
I love this bit from TFA:

> Is this system usable for me ?

> Accessibility is about making our software usable (and, ideally, pleasant to use) for as many people as we can.

Exactly. I don't have any disabilities to speak of (less-than-perfect eyesight, mild case of wrist pain), but I enjoy using many accessibility features, such as:

- Automatic dark/light mode; yes I do use a light theme in my editor during the day ;)

- High contrast (Gnome); I wish macOS could do something sane here

- Reduce motion & transparency (Mac, iPhone); I really wish CSS prefers-reduced-* was already widely deployed

- Grayscale color filter (mild setting; iPhone)

- Dim flashing lights (Mac)

- Shortcat.app (looking forward to Gtk apps on Mac supporting this)

- On-screen keyboard, for using a Real Computer from a couch. A basic wireless mouse beats every single clunky TvBox remote out there.

- Games! Aim assist, highlight ally/enemy, reduce bobbing / motion, etc

Accessibility is for everyone.

growlNark•11mo ago
I'm sure we can all appreciate not climbing 30 flights of stairs, even if it we are physically capable of it.
tonyarkles•11mo ago
> I'm sure we can all appreciate not climbing 30 flights of stairs, even if it we are physically capable of it.

Totally. And people seem to forget that you can temporarily go from "no disabilities" to "have a disability" to "no disabilities" very quickly. Slip of a knife while cooking can take a hand out of commission for a few days. Stepping on your glasses can make you visually-impaired for a few days. Ear infection can seriously affect your hearing until it's healed.

And there's tech issues that can come up too! A couple of weeks ago I needed to get an embedded Linux device set up with SSH and could only find a spare mouse in the office, no random USB keyboards kicking around. Trying to use the Gnome on-screen keyboard was an exercise in frustration. Some symbols were missing that I needed to type into a shell, for example.

pjmlp•11mo ago
Scott Hanselman from Hanselminutes fame, has several remarks on his podcast that anyone can be disabled, even if temporary.

Unfortunely too many forget about it.

Robdel12•11mo ago
This is awesome! I'm really excited about this since this is the underpinning of Zed. I figured out quickly when replicating ChatGPTs macOS apps "work with" feature that Zed had zero accessibility tree.

Great news, just in time Global Accessibility Awareness Day tomorrow (May 15th)

Edit: I'm totally wrong about Zed using GTK. They built their own: https://www.gpui.rs/ Still a win for all GTK apps!

tarboreus•11mo ago
Someone's been writing a great series on accessibility for the blind in Linux

https://fireborn.mataroa.blog/blog/i-want-to-love-linux-it-d...

klooney•11mo ago
Something that's worth noting is that the funding for accessibility went away. Sun did a ton, but they're gone, and Red Hat has scaled back their desktop ambitions, as has Ubuntu.
akdor1154•11mo ago
Great to read - where are we up to with regards to the long laundry list that voice control software like Talon needs?

It's interesting - if you're going to allow third-party a11y software to control your PC, you need a 'make my wayland compositor do stuff' API.

However, Wayland's intention to explicitly avoid baking specific desktop concepts onto its core protocols make this somewhat of a conflicting design req.

Ref: https://github.com/splondike/wayland-accessibility-notes/blo...

BearOso•11mo ago
> However, Wayland's intention to explicitly avoid baking specific desktop concepts onto its core protocols make this somewhat of a conflicting design req.

I would say it's slightly worse. Wayland's intention was to explicitly prevent the implementation of those features in the name of security. To implement a protocol with enough flexibility to allow voice control of the general interface would necessitate walking back limitations that were heavily evangelized.

On the other hand, I'm utterly impressed how much more stable Wayland through Gnome and Plasma are over the last year or so, to the point I've switched to it as a primary desktop. They've also been adding protocols like xdg_toplevel_tag_v1 that were seemingly taboo until recently. I'm optimistic about this current batch of programmers. I think they'll manage to sort out accessibility pretty soon.

solarkraft•11mo ago
I am quite a Gnome critic for all the common reasons, but one thing I really appreciate is how structured and focused they can be about some efforts. They really approach normal user needs and work through the whole stack to satisfy them.

This level of organization is probably also what allowed them to get STF funding for this initiative - which makes me quite proud to be german for a moment.

LexiMax•11mo ago
I did my fair share of DE hopping in my younger days, but now when I use the Linux desktop in anger I've found myself returning to GNOME. It's the only desktop environment on Linux that actually feels like an opinionated, cohesive whole, in the same way that macOS used to be. It certainly has shortcomings and annoyances, but instead of throwing the baby out with the bathwater I decided to meet it halfway, and found myself rewarded for my patience with being able to get work done.

Interestingly, I've also found that the further a distro diverges from upstream GNOME, the worse my experience ends up being. I was frankly shocked at how many paper cuts I ran into the last time I used the Ubuntu spin of GNOME, while Debian was better and Fedora gave me almost no trouble.

silisili•11mo ago
Same. I will say that for me, dash-to-dock or dash-to-panel is a must. I believe Ubuntu just built it in as default.

At this point I don't know why they didn't make it an option or built in plugin.