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Building a Grow-Only Counter on a Sequentially Consistent KV Store

https://brunocalza.me/blog/2026/04/13/building-a-grow-only-counter-on-a-sequentially-consistent-kv-store.html
4•brunocalza•5d ago

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
150•NelsonMinar•3h ago•46 comments

Migrating from DigitalOcean to Hetzner

https://isayeter.com/posts/digitalocean-to-hetzner-migration/
558•yusufusta•6h ago•307 comments

State of Kdenlive

https://kdenlive.org/news/2026/state-2026/
279•f_r_d•8h ago•93 comments

Thoughts and feelings around Claude Design

https://samhenri.gold/blog/20260418-claude-design/
10•cdrnsf•1h ago•1 comments

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

https://github.com/drasimwagan/mdv
50•drasim•4h ago•17 comments

Young sons of U.S. marshal ride horseback from Oklahoma to New York (2018)

https://texascooppower.com/the-astonishing-ride-of-the-abernathy-boys/
24•mhb•1h ago•5 comments

Michael Rabin has died

https://en.wikipedia.org/wiki/Michael_O._Rabin
341•tkhattra•3d ago•71 comments

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

https://www.sciencedaily.com/releases/2026/04/260414075641.htm
49•t-3•3d ago•23 comments

Opus 4.7 to 4.6 Inflation is ~45%

https://tokens.billchambers.me/leaderboard
320•anabranch•4h ago•349 comments

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

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

Graphs That Explain the State of AI in 2026

https://spectrum.ieee.org/state-of-ai-index-2026
34•bryanrasmussen•3h ago•22 comments

Fuzix OS

https://www.fuzix.org/
50•DeathArrow•4h ago•21 comments

UpCodes (YC S17) Is Hiring SDRs to Help Make Construction More Productive

https://up.codes/careers?utm_source=HN
1•Old_Thrashbarg•3h ago

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

https://www.rtrvr.ai/blog/ai-subroutines-zero-token-deterministic-automation
7•arjunchint•23h ago•0 comments

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

https://www.remoroo.com
9•adhamghazali•4d ago•1 comments

80386 Memory Pipeline

https://nand2mario.github.io/posts/2026/80386_memory_pipeline/
52•wicket•4d ago•10 comments

Amiga Graphics Archive

https://amiga.lychesis.net/
213•sph•14h ago•56 comments

Understanding the FFT Algorithm (2013)

https://jakevdp.github.io/blog/2013/08/28/understanding-the-fft/
27•peter_d_sherman•3d ago•2 comments

Category Theory Illustrated – Orders

https://abuseofnotation.github.io/category-theory-illustrated/04_order/
204•boris_m•13h ago•56 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...
3•gnabgib•1h ago•0 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
147•coinfused•4d ago•98 comments

Show HN: I made a calculator that works over disjoint sets of intervals

https://victorpoughon.github.io/interval-calculator/
271•fouronnes3•19h ago•47 comments

4-bit floating point FP4

https://www.johndcook.com/blog/2026/04/17/fp4/
6•chmaynard•3h ago•1 comments

Why Japan has such good railways

https://worksinprogress.co/issue/why-japan-has-such-good-railways/
238•RickJWagner•7h ago•250 comments

The USDA's gardening zones have shifted. (Interactive app and map) (2024)

https://apps.npr.org/plant-hardiness-garden-map/
48•nuke-web3•3h ago•5 comments

The quiet disappearance of the free-range childhood

https://bigthink.com/mind-behavior/the-quiet-disappearance-of-the-free-range-childhood/
145•sylvainkalache•8h ago•152 comments

Towards trust in Emacs

https://eshelyaron.com/posts/2026-04-15-towards-trust-in-emacs.html
167•eshelyaron•3d ago•25 comments

Rail: A self-hosting language that speaks TLS alone

https://github.com/zemo-g/rail
5•zem0g•3h ago•2 comments

A Dumb Introduction to Z3 (2025)

https://ar-ms.me/thoughts/a-gentle-introduction-to-z3/
55•y1n0•4d ago•24 comments

The simple geometry behind any road

https://sandboxspirit.com/blog/simple-geometry-of-roads/
111•azhenley•2d ago•12 comments