fp.

$96 3D-printed rocket that recalculates its mid-air trajectory using a $5 sensor

https://github.com/novatic14/MANPADS-System-Launcher-and-Rocket

126•ZacnyLos•2h ago•57 comments

A Visual Introduction to Machine Learning

https://r2d3.us/visual-intro-to-machine-learning-part-1/

81•vismit2000•1h ago•4 comments

Generating All 32-Bit Primes (Part I)

https://hnlyman.github.io/pages/prime32_I.html

17•hnlyman•1h ago•3 comments

Show HN: Signet – Autonomous wildfire tracking from satellite and weather data

https://signet.watch

6•mapldx•45m ago•0 comments

Rack-mount hydroponics

https://sa.lj.am/rack-mount-hydroponics/

208•cdrnsf•8h ago•48 comments

The Appalling Stupidity of Spotify's AI DJ

https://www.charlespetzold.com/blog/2026/02/The-Appalling-Stupidity-of-Spotifys-AI-DJ.html

194•ingve•4h ago•164 comments

Why Mathematica does not simplify sinh(arccosh(x))

https://www.johndcook.com/blog/2026/03/10/sinh-arccosh/

91•ibobev•3d ago•21 comments

A most elegant TCP hole punching algorithm

https://robertsdotpm.github.io/cryptography/tcp_hole_punching.html

117•Uptrenda•9h ago•44 comments

Examples for the tcpdump and dig man pages

https://jvns.ca/blog/2026/03/10/examples-for-the-tcpdump-and-dig-man-pages/

22•ibobev•4d ago•3 comments

How kernel anti-cheats work

https://s4dbrd.github.io/posts/how-kernel-anti-cheats-work/

227•davikr•12h ago•197 comments

Treasure hunter freed from jail after refusing to turn over shipwreck gold

https://www.bbc.com/news/articles/cg4g7kn99q3o

116•tartoran•9h ago•149 comments

IBM, sonic delay lines, and the history of the 80×24 display

https://www.righto.com/2019/11/ibm-sonic-delay-lines-and-history-of.html

6•rbanffy•1h ago•0 comments

Allow me to get to know you, mistakes and all

https://sebi.io/posts/2026-03-14-allow-me-to-get-to-know-you-mistakes-and-all/

187•sebi_io•14h ago•80 comments

Show HN: Han – A Korean programming language written in Rust

https://github.com/xodn348/han

184•xodn348•15h ago•101 comments

SBCL Fibers – Lightweight Cooperative Threads

https://atgreen.github.io/repl-yell/posts/sbcl-fibers/

115•anonzzzies•13h ago•20 comments

Centuries of selective breeding turned wild cabbage into different vegetables

https://www.worksinprogress.news/p/many-of-the-tastiest-vegetables-are

69•bensouthwood•3d ago•24 comments

Ageless Linux – Software for humans of indeterminate age

https://agelesslinux.org/

685•nateb2022•14h ago•452 comments

Bumblebee queens breathe underwater to survive drowning

https://www.smithsonianmag.com/science-nature/bumblebee-queens-breathe-underwater-to-survive-drow...

150•1659447091•15h ago•29 comments

Mathematics Distillation Challenge – Equational Theories

https://terrytao.wordpress.com/2026/03/13/mathematics-distillation-challenge-equational-theories/

80•picafrost•1d ago•3 comments

MCP is dead; long live MCP

https://chrlschn.dev/blog/2026/03/mcp-is-dead-long-live-mcp/

175•CharlieDigital•17h ago•153 comments

Tree Search Distillation for Language Models Using PPO

https://ayushtambde.com/blog/tree-search-distillation-for-language-models-using-ppo/

67•at2005•11h ago•5 comments

Slicing Bezier Surfaces

https://fatih-erikli-potato.github.io/blog/slicing-bezier-surfaces.html

14•fatih-erikli-cg•2d ago•4 comments

A look inside Dialector, filmmaker Chris Marker's chatbot from 1988

https://kubicki.org/letters/the-festival-of-the-machines/

52•kosmavision•3d ago•4 comments

An ode to bzip

https://purplesyringa.moe/blog/an-ode-to-bzip/

150•signa11•20h ago•81 comments

Discovering Little Worlds (2020)

https://dmitrybrant.com/2020/08/01/discovering-little-worlds

7•wonger_•4d ago•0 comments

The mechanics of autonomous software translation

https://alperenkeles.com/posts/autonomous-translations/

23•alpaylan•4d ago•1 comments

A Recursive Algorithm to Render Signed Distance Fields

https://pointersgonewild.com/2026-03-06-a-recursive-algorithm-to-render-signed-distance-fields/

105•surprisetalk•3d ago•7 comments

Marketing for Founders

https://github.com/EdoStra/Marketing-for-Founders

196•jimsojim•17h ago•88 comments

Baochip-1x: What it is, why I'm doing it now and how it came about

https://www.crowdsupply.com/baochip/dabao/updates/what-it-is-why-im-doing-it-now-and-how-it-came-...

326•timhh•3d ago•71 comments

Fedora 44 on the Raspberry Pi 5

https://nullr0ute.com/2026/03/fedora-44-on-the-raspberry-pi-5/

106•jandeboevrie•16h ago•33 comments

Open in hackernews

A Visual Introduction to Machine Learning

https://r2d3.us/visual-intro-to-machine-learning-part-1/

80•vismit2000•1h ago

Comments

ayhanfuat•1h ago

This is from 2015. Both technically and conceptually it was ahead of its time.

mdp2021•52m ago

It's a pity there seems not to be new (or other) material from Tony Hschu and Stephanie Jyee.

(Or can anybody find something more?)

Jhater•1h ago

Josh Starmers books are very visual as well, probably the best source I'd recommend to learn ML

https://www.youtube.com/c/joshstarmer https://statquest.org/

cake-rusk•1h ago

Where's the rest of it?