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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...
249•rbanffy•9h ago•107 comments

Anonymous request-token comparisons from Opus 4.6 and Opus 4.7

https://tokens.billchambers.me/leaderboard
482•anabranch•14h ago•483 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...
225•gnabgib•11h ago•202 comments

Updating Gun Rocket through 10 years of Unity Engine

https://jackpritz.com/blog/updating-gun-rocket-through-10-years-of-unity-engine
56•tyleo•2d ago•18 comments

What Are Skiplists Good For?

https://antithesis.com/blog/2026/skiptrees/
25•mfiguiere•1d ago•4 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
308•NelsonMinar•13h ago•87 comments

Metatextual Literacy

https://www.jenn.site/metatextual-literacy/
17•dado3212•3d ago•1 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/
60•agambrahma•7h ago•21 comments

Why Japan has such good railways

https://worksinprogress.co/issue/why-japan-has-such-good-railways/
357•RickJWagner•17h ago•352 comments

Modern Common Lisp with FSet

https://fset.common-lisp.dev/Modern-CL/Top_html/index.html
129•larve•3d ago•15 comments

The becquerel as an SI unit for request rate

https://entropicthoughts.com/si-units-for-request-rate
16•fanf2•2d ago•3 comments

State of Kdenlive

https://kdenlive.org/news/2026/state-2026/
364•f_r_d•18h ago•118 comments

Optimizing Ruby Path Methods

https://byroot.github.io/ruby/performance/2026/04/18/faster-paths.html
77•weaksauce•9h ago•27 comments

Migrating from DigitalOcean to Hetzner

https://isayeter.com/posts/digitalocean-to-hetzner-migration/
727•yusufusta•16h ago•373 comments

Thoughts and feelings around Claude Design

https://samhenri.gold/blog/20260418-claude-design/
273•cdrnsf•10h ago•177 comments

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

https://www.sumida-aquarium.com/special/sokanzu/en/2026/
196•Lwrless•3d ago•7 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-...
134•sohkamyung•6h ago•56 comments

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

https://github.com/drasimwagan/mdv
105•drasim•14h ago•39 comments

My first impressions on ROCm and Strix Halo

https://blog.marcoinacio.com/posts/my-first-impressions-rocm-strix-halo/
30•random_•8h ago•21 comments

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

https://www.sciencedaily.com/releases/2026/04/260414075641.htm
93•t-3•3d ago•35 comments

Dizzying Spiral Staircase with Single Guardrail Once Led to Top of Eiffel Tower

https://www.smithsonianmag.com/smart-news/a-dizzying-spiral-staircase-with-a-single-guardrail-onc...
11•bookofjoe•2d ago•3 comments

Bypassing the kernel for 56ns cross-language IPC

https://github.com/riyaneel/Tachyon/tree/main/docs/adr
24•riyaneel•2d ago•11 comments

I dug into the Postgres 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...
37•alzhi7•1d ago•5 comments

80386 Memory Pipeline

https://nand2mario.github.io/posts/2026/80386_memory_pipeline/
100•wicket•4d ago•14 comments

Understanding the FFT Algorithm (2013)

https://jakevdp.github.io/blog/2013/08/28/understanding-the-fft/
77•peter_d_sherman•4d ago•9 comments

Floating Point Fun on Cortex-M Processors

https://danielmangum.com/posts/floating-point-cortex-m/
47•hasheddan•1d ago•5 comments

Fuzix OS

https://www.fuzix.org/
92•DeathArrow•14h ago•23 comments

Bipartisan Bill to Tighten Controls on Sensitive Chipmaking Equipment

https://baumgartner.house.gov/2026/04/02/baumgartner-introduces-bipartisan-bill-to-tighten-contro...
14•num42•2h ago•6 comments

Show HN: SmallDocs – Markdown without the frustrations

70•FailMore•3d ago•32 comments

It's OK to compare floating-points for equality

https://lisyarus.github.io/blog/posts/its-ok-to-compare-floating-points-for-equality.html
191•coinfused•4d ago•122 comments