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Ironclad – formally verified, real-time capable, Unix-like OS kernel

https://ironclad-os.org/
52•vitalnodo•1h ago•7 comments

Marko – A declarative, HTML‑based language

https://markojs.com/
172•ulrischa•5h ago•89 comments

Study identifies weaknesses in how AI systems are evaluated

https://www.oii.ox.ac.uk/news-events/study-identifies-weaknesses-in-how-ai-systems-are-evaluated/
279•pseudolus•10h ago•147 comments

WriterdeckOS

https://writerdeckos.com
105•surprisetalk•5h ago•52 comments

What Hallucinogens Will Make You See

https://nautil.us/what-hallucinogens-will-make-you-see-308247/
34•simonebrunozzi•2h ago•30 comments

Largest Cargo Sailboat Completes Historic First Atlantic Crossing

https://www.marineinsight.com/shipping-news/worlds-largest-cargo-sailboat-completes-historic-firs...
61•defrost•4h ago•22 comments

Control structures in programming languages: from goto to algebraic effects

http://xavierleroy.org/control-structures/
71•SchwKatze•5d ago•2 comments

Debugging BeagleBoard USB boot with a sniffer: fixing omap_loader on modern PCs

https://www.downtowndougbrown.com/2025/11/debugging-beagleboard-usb-boot-with-a-sniffer-fixing-om...
13•todsacerdoti•1h ago•0 comments

Avería: The Average Font (2011)

http://iotic.com/averia/
96•JoshTriplett•4h ago•19 comments

IP Blocking the UK Is Not Enough to Comply with the Online Safety Act

https://prestonbyrne.com/2025/11/06/the-ofcom-files-part-2-ip-blocking-the-uk-is-not-enough-to-co...
138•pinkahd•1h ago•134 comments

Open-source communications by bouncing signals off the Moon

https://open.space/
34•fortran77•6d ago•10 comments

Cloudflare scrubs Aisuru botnet from top domains list

https://krebsonsecurity.com/2025/11/cloudflare-scrubs-aisuru-botnet-from-top-domains-list/
108•jtbayly•7h ago•25 comments

My first fifteen compilers (2019)

https://blog.sigplan.org/2019/07/09/my-first-fifteen-compilers/
37•azhenley•1w ago•2 comments

GPS 'kill' switch allows state police cruisers to go dark and disable tracking

https://www.boston25news.com/news/local/25-investigates-gps-kill-switch-allows-msp-cruisers-go-da...
23•harambae•3d ago•10 comments

An Algebraic Language for the Manipulation of Symbolic Expressions (1958) [pdf]

https://softwarepreservation.computerhistory.org/LISP/MIT/AIM-001.pdf
79•swatson741•9h ago•9 comments

Valdi – A cross-platform UI framework that delivers native performance

https://github.com/Snapchat/Valdi
455•yehiaabdelm•1d ago•186 comments

Ticker: Don't die of heart disease

https://myticker.com/
355•colelyman•9h ago•301 comments

Why is Zig so cool?

https://nilostolte.github.io/tech/articles/ZigCool.html
485•vitalnodo•1d ago•423 comments

How to declutter, quiet down, and take the AI out of Windows 11 25H2

https://arstechnica.com/gadgets/2025/11/what-i-do-to-clean-up-a-clean-install-of-windows-11-23h2-...
44•mariuz•2h ago•31 comments

Syntax and Semantics of Programming Languages

https://homepage.cs.uiowa.edu/~slonnegr/plf/Book/
58•nill0•1w ago•2 comments

Opencloud – an alternative to Nextcloud written in Go

https://github.com/opencloud-eu/opencloud
23•todsacerdoti•7h ago•2 comments

52 Year old data tape could contain Unix history

https://www.theregister.com/2025/11/07/unix_fourth_edition_tape_rediscovered/
141•rbanffy•8h ago•55 comments

Myna: Monospace typeface designed for symbol-heavy programming languages

https://github.com/sayyadirfanali/Myna
372•birdculture•1d ago•166 comments

Cekura (YC F24) Is Hiring

1•atarus•12h ago

Making Democracy Work: Fixing and Simplifying Egalitarian Paxos

https://arxiv.org/abs/2511.02743
149•otrack•16h ago•46 comments

How did I get here?

https://how-did-i-get-here.net/
330•zachlatta•1d ago•57 comments

Computational Complexity of Air Travel Planning (2003) [pdf]

http://www.ai.mit.edu/courses/6.034f/psets/ps1/airtravel.pdf
62•arnon•4d ago•6 comments

Immutable Software Deploys Using ZFS Jails on FreeBSD

https://conradresearch.com/articles/immutable-software-deploy-zfs-jails
167•vermaden•1d ago•44 comments

I Want You to Understand Chicago

https://aphyr.com/posts/397-i-want-you-to-understand-chicago
466•tonyg•4h ago•202 comments

Mullvad: Shutting down our search proxy Leta

https://mullvad.net/en/blog/shutting-down-our-search-proxy-leta
196•holysoles•23h ago•128 comments
Open in hackernews

I taught an octopus piano (It took 6 months) [video]

https://www.youtube.com/watch?v=PcWnQ7fYzwI
36•weinzierl•2h ago

Comments

6stringmerc•1h ago
Cephalopods are the most highly evolved species living on planet Earth. They survived the first surface extinction. They'll survive the second. No wonder they prefer staying down there. Disclaimer: I had a wild dream in jail one night that made me reconsider some notions about...
burnt-resistor•1h ago
Surface oceans will disappear in about a billion years. More life must go pretty deep underground to survive longer.
eth0up•1h ago
I've seen humans eat these entities parboiled and squirming.

It's a shaft in the existential backside that this is the best infinity can offer. Are we not embued in it?

What a depraved world that is ours. Given the minds we have to understand yet trading them for trivial vittles.

A tongue our lord and eyes, to taste our way through this cosmic mystery.

A three-year-old... Perhaps exaggeration. It hardly makes a difference. A 0.3 year-old would do, if one wished to be disturbed.

I have always opposed cannibalism but wonder if I've been wrong. We probably should begin the final feast soon, and really clean our plates.

nurettin•1h ago
Their only fault: being so gosh darn tasty.
do_not_redeem•1h ago
Nature is cruel. Every living thing wants energy for itself, but there's only so much to go around. The leaves cry out in ultrasonic frequencies as they're harvested, and then we add insult to injury by drowning them in salad dressing before we chomp away blissfully. You want to live, just like they did. So you eat. If only the universe had infinite resources to go around, but instead the march of entropy leaves us fighting over an ever shrinking pie.
DennisP•1h ago
Yes, but for myself I'd rather eat things that aren't as smart as octopuses.

And as long as the sun keeps shining, the pie stays pretty constant on Earth. The pie is shrinking for everybody else only because humans keep taking more of it.

pcthrowaway•20m ago
Pigs are quite intelligent too.

But our modern life is built on the corpses of many, including children, and that pile keeps growing

anigbrowl•1h ago
Clickbait nonsense - one of those 'I did [impractical thing], watch what happens!' channels. He buys an octopus at a fish market and trains it to pull on levers styled as piano keys to get a food reward. By preselecting the tuning of the keys, eventually he gets it to play a few random notes in the same scale as his guitar noodling.
causal•1h ago
What did you expect, complete arpeggios and site-reading Mozart? In six months he taught a wild animal to go from nothing to understanding how to interact with a complex instrument, and do so with increasing sequences in response to a reward. That's really cool. Your expectations might be a tad high.
anigbrowl•1h ago
Octopi are already famous for liking to play with things, and it had little else to do in its undersized tank. This is cat walking on piano keys stuff, not increasing sequences. I hope he released the octopus back into the wild after he got bored with it.
qingcharles•1h ago
It's called entertainment. I was entertained.
burnt-resistor•1h ago
Ironically, I saw this 3 days ago. Was just watching the tuning fork piano build video. https://youtu.be/VD7xivhWYQ8

TIL: Dulcitone exists that's pretty much a tuning fork piano and Scandinavia has a Harbor Freight-like shop that's called Biltema.