fp.

NIST scientists create 'any wavelength' lasers

https://www.nist.gov/news-events/news/2026/04/any-color-you-nist-scientists-create-any-wavelength...

101•rbanffy•3h ago•48 comments

Anonymous request-token comparisons from Opus 4.6 and Opus 4.7

https://tokens.billchambers.me/leaderboard

395•anabranch•8h ago•409 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

244•NelsonMinar•7h ago•71 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...

90•gnabgib•5h ago•90 comments

Modern Common Lisp with FSet

https://fset.common-lisp.dev/Modern-CL/Top_html/index.html

65•larve•3d ago•5 comments

Optimizing Ruby Path Methods

https://byroot.github.io/ruby/performance/2026/04/18/faster-paths.html

37•weaksauce•3h ago•14 comments

Why Japan has such good railways

https://worksinprogress.co/issue/why-japan-has-such-good-railways/

283•RickJWagner•11h ago•274 comments

Thoughts and feelings around Claude Design

https://samhenri.gold/blog/20260418-claude-design/

202•cdrnsf•4h ago•134 comments

Migrating from DigitalOcean to Hetzner

https://isayeter.com/posts/digitalocean-to-hetzner-migration/

663•yusufusta•10h ago•338 comments

State of Kdenlive

https://kdenlive.org/news/2026/state-2026/

326•f_r_d•12h ago•109 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...

30•tchalla•1h ago•6 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-...

12•sohkamyung•18m ago•0 comments

Michael Rabin has died

https://en.wikipedia.org/wiki/Michael_O._Rabin

378•tkhattra•3d ago•78 comments

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

https://github.com/drasimwagan/mdv

84•drasim•8h ago•31 comments

Floating Point Fun on Cortex-M Processors

https://danielmangum.com/posts/floating-point-cortex-m/

32•hasheddan•1d ago•1 comments

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

https://www.sumida-aquarium.com/special/sokanzu/en/2026/

155•Lwrless•3d ago•5 comments

PgQue: Zero-Bloat Postgres Queue

https://github.com/NikolayS/pgque

73•gmcabrita•7h ago•8 comments

Scientists discover "cleaner ants" that groom giant ants in Arizona desert

https://www.sciencedaily.com/releases/2026/04/260414075641.htm

67•t-3•3d ago•26 comments

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

https://up.codes/careers?utm_source=HN

1•Old_Thrashbarg•7h ago

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...

5•alzhi7•20h ago•0 comments

80386 Memory Pipeline

https://nand2mario.github.io/posts/2026/80386_memory_pipeline/

80•wicket•4d ago•11 comments

Show HN: SmallDocs - Markdown without the frustrations

42•FailMore•3d ago•22 comments

Understanding the FFT Algorithm (2013)

https://jakevdp.github.io/blog/2013/08/28/understanding-the-fft/

49•peter_d_sherman•3d ago•6 comments

Show HN: Remoroo. trying to fix memory in long-running coding agents

https://www.remoroo.com

23•adhamghazali•4d ago•4 comments

Amiga Graphics Archive

https://amiga.lychesis.net/

228•sph•17h ago•69 comments

Show HN: AI Subroutines – Run automation scripts inside your browser tab

https://www.rtrvr.ai/blog/ai-subroutines-zero-token-deterministic-automation

28•arjunchint•1d ago•4 comments

4-bit floating point FP4

https://www.johndcook.com/blog/2026/04/17/fp4/

37•chmaynard•6h ago•22 comments

Brunost: The Nynorsk Programming Language

https://lindbakk.com/blog/introducing-brunost

129•atomfinger•5d ago•72 comments

Fuzix OS

https://www.fuzix.org/

72•DeathArrow•8h ago•25 comments

Category Theory Illustrated – Orders

https://abuseofnotation.github.io/category-theory-illustrated/04_order/

221•boris_m•17h ago•58 comments