fp.

America will come to regret its war on taxes

https://economist.com/leaders/2026/04/16/america-will-come-to-regret-its-war-on-taxes

28•andsoitis•27m ago•11 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

97•NelsonMinar•2h ago•26 comments

Migrating from DigitalOcean to Hetzner

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

496•yusufusta•5h ago•276 comments

State of Kdenlive

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

248•f_r_d•7h ago•85 comments

Opus 4.7 to 4.6 Inflation is ~45%

https://tokens.billchambers.me/leaderboard

247•anabranch•2h ago•258 comments

Fuzix OS

https://www.fuzix.org/

35•DeathArrow•3h ago•11 comments

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

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

42•t-3•2d ago•13 comments

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

https://github.com/drasimwagan/mdv

34•drasim•3h ago•11 comments

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

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

102•Lwrless•2d ago•5 comments

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

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

1•Old_Thrashbarg•1h ago

Michael Rabin has died

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

316•tkhattra•3d ago•69 comments

80386 Memory Pipeline

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

43•wicket•4d ago•7 comments

Understanding the FFT Algorithm (2013)

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

18•peter_d_sherman•3d ago•2 comments

Amiga Graphics Archive

https://amiga.lychesis.net/

201•sph•12h ago•52 comments

Category Theory Illustrated – Orders

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

192•boris_m•12h ago•55 comments

Why Japan has such good railways

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

218•RickJWagner•6h ago•224 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

142•coinfused•4d ago•90 comments

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

https://victorpoughon.github.io/interval-calculator/

263•fouronnes3•17h ago•48 comments

Measuring Claude 4.7's tokenizer costs

https://www.claudecodecamp.com/p/i-measured-claude-4-7-s-new-tokenizer-here-s-what-it-costs-you

674•aray07•1d ago•470 comments

A Dumb Introduction to Z3 (2025)

https://ar-ms.me/thoughts/a-gentle-introduction-to-z3/

52•y1n0•4d ago•23 comments

All 12 moonwalkers had "lunar hay fever" from dust smelling like gunpowder (2018)

https://www.esa.int/Science_Exploration/Human_and_Robotic_Exploration/The_toxic_side_of_the_Moon

424•cybermango•1d ago•240 comments

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-k...

4•brunocalza•5d ago•0 comments

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

https://apps.npr.org/plant-hardiness-garden-map/

35•nuke-web3•2h ago•3 comments

I’m spending months coding the old way

https://miguelconner.substack.com/p/im-coding-by-hand

312•evakhoury•1d ago•300 comments

Graphs That Explain the State of AI in 2026

https://spectrum.ieee.org/state-of-ai-index-2026

19•bryanrasmussen•1h ago•7 comments

The quiet disappearance of the free-range childhood

https://bigthink.com/mind-behavior/the-quiet-disappearance-of-the-free-range-childhood/

128•sylvainkalache•7h ago•124 comments

Towards trust in Emacs

https://eshelyaron.com/posts/2026-04-15-towards-trust-in-emacs.html

164•eshelyaron•3d ago•25 comments

The simple geometry behind any road

https://sandboxspirit.com/blog/simple-geometry-of-roads/

107•azhenley•2d ago•12 comments

Are the costs of AI agents also rising exponentially? (2025)

https://www.tobyord.com/writing/hourly-costs-for-ai-agents

285•louiereederson•3d ago•113 comments

Show HN: Smol machines – subsecond coldstart, portable virtual machines

https://github.com/smol-machines/smolvm

422•binsquare•1d ago•129 comments