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OpenCiv3: Open-source, cross-platform reimagining of Civilization III

https://openciv3.org/
624•klaussilveira•12h ago•182 comments

The Waymo World Model

https://waymo.com/blog/2026/02/the-waymo-world-model-a-new-frontier-for-autonomous-driving-simula...
927•xnx•18h ago•548 comments

What Is Ruliology?

https://writings.stephenwolfram.com/2026/01/what-is-ruliology/
32•helloplanets•4d ago•24 comments

How we made geo joins 400× faster with H3 indexes

https://floedb.ai/blog/how-we-made-geo-joins-400-faster-with-h3-indexes
109•matheusalmeida•1d ago•27 comments

Jeffrey Snover: "Welcome to the Room"

https://www.jsnover.com/blog/2026/02/01/welcome-to-the-room/
9•kaonwarb•3d ago•7 comments

Unseen Footage of Atari Battlezone Arcade Cabinet Production

https://arcadeblogger.com/2026/02/02/unseen-footage-of-atari-battlezone-cabinet-production/
40•videotopia•4d ago•1 comments

Show HN: Look Ma, No Linux: Shell, App Installer, Vi, Cc on ESP32-S3 / BreezyBox

https://github.com/valdanylchuk/breezydemo
219•isitcontent•13h ago•25 comments

Monty: A minimal, secure Python interpreter written in Rust for use by AI

https://github.com/pydantic/monty
210•dmpetrov•13h ago•103 comments

Show HN: I spent 4 years building a UI design tool with only the features I use

https://vecti.com
322•vecti•15h ago•143 comments

Sheldon Brown's Bicycle Technical Info

https://www.sheldonbrown.com/
370•ostacke•18h ago•94 comments

Microsoft open-sources LiteBox, a security-focused library OS

https://github.com/microsoft/litebox
358•aktau•19h ago•181 comments

Hackers (1995) Animated Experience

https://hackers-1995.vercel.app/
477•todsacerdoti•20h ago•232 comments

Show HN: If you lose your memory, how to regain access to your computer?

https://eljojo.github.io/rememory/
272•eljojo•15h ago•160 comments

An Update on Heroku

https://www.heroku.com/blog/an-update-on-heroku/
402•lstoll•19h ago•271 comments

Dark Alley Mathematics

https://blog.szczepan.org/blog/three-points/
85•quibono•4d ago•20 comments

Vocal Guide – belt sing without killing yourself

https://jesperordrup.github.io/vocal-guide/
14•jesperordrup•2h ago•7 comments

Delimited Continuations vs. Lwt for Threads

https://mirageos.org/blog/delimcc-vs-lwt
25•romes•4d ago•3 comments

PC Floppy Copy Protection: Vault Prolok

https://martypc.blogspot.com/2024/09/pc-floppy-copy-protection-vault-prolok.html
56•kmm•5d ago•3 comments

Start all of your commands with a comma

https://rhodesmill.org/brandon/2009/commands-with-comma/
3•theblazehen•2d ago•0 comments

Was Benoit Mandelbrot a hedgehog or a fox?

https://arxiv.org/abs/2602.01122
12•bikenaga•3d ago•2 comments

How to effectively write quality code with AI

https://heidenstedt.org/posts/2026/how-to-effectively-write-quality-code-with-ai/
244•i5heu•15h ago•189 comments

Introducing the Developer Knowledge API and MCP Server

https://developers.googleblog.com/introducing-the-developer-knowledge-api-and-mcp-server/
52•gfortaine•10h ago•21 comments

I spent 5 years in DevOps – Solutions engineering gave me what I was missing

https://infisical.com/blog/devops-to-solutions-engineering
140•vmatsiiako•17h ago•63 comments

Understanding Neural Network, Visually

https://visualrambling.space/neural-network/
280•surprisetalk•3d ago•37 comments

I now assume that all ads on Apple news are scams

https://kirkville.com/i-now-assume-that-all-ads-on-apple-news-are-scams/
1058•cdrnsf•22h ago•433 comments

Why I Joined OpenAI

https://www.brendangregg.com/blog/2026-02-07/why-i-joined-openai.html
132•SerCe•8h ago•117 comments

Show HN: R3forth, a ColorForth-inspired language with a tiny VM

https://github.com/phreda4/r3
70•phreda4•12h ago•14 comments

Female Asian Elephant Calf Born at the Smithsonian National Zoo

https://www.si.edu/newsdesk/releases/female-asian-elephant-calf-born-smithsonians-national-zoo-an...
28•gmays•8h ago•11 comments

Learning from context is harder than we thought

https://hy.tencent.com/research/100025?langVersion=en
176•limoce•3d ago•96 comments

FORTH? Really!?

https://rescrv.net/w/2026/02/06/associative
63•rescrv•20h ago•22 comments
Open in hackernews

Rats caught on camera hunting flying bats (2025)

https://scienceclock.com/rats-caught-on-camera-hunting-flying-bats-for-the-first-time/
88•akg130522•3w ago

Comments

neom•3w ago
Previously: https://news.ycombinator.com/item?id=45730366

Rats are the best! :)

worldsavior•3w ago
No they're not.
nilslindemann•3w ago
Werewolf mouses?

https://www.youtube.com/watch?v=1K9mO5QzOIQ

WillPostForFood•3w ago
Been posted 4 times. HN loves rats eating bats.

https://hn.algolia.com/?q=rats+bats

oezi•3w ago
This research was from northern Germany and I am wondering if it is something which has gotten as far as Berlin because we used to have a bat population across from our house due to a location near a park and cemetery. Since last summer the bats seem gone (and mosquito population much on the rise).
kayo_20211030•3w ago
Go to the larder, Ratty! Go to the larder! It's where the grub is. Clever fellas.
meken•3w ago
(2025)
nephihaha•3w ago
I suspect this behaviour has been going on for centuries, even millennia, just that no one has been in the position to see or film it.

Some people pointed out on the other thread that the rat would be near blind, but they also have excellent hearing and sense of smell to work around that.

driggs•3w ago
While predation by rats is curious news, much more common (here in the US at least) is predation by raccoons.

Conservation-minded management practice is often to build a "bat friendly" gate at the entrance of a significant bat cave or an abandoned mine portal. These gates are the ideal perch for hungry raccoons to pluck bats right out of the air. Bats emerge from entrances like this near the ceiling, when possible, specifically to avoid predators. Poorly designed gates are the opposite of "bat friendly" and turn the safe entrances into buffets for raccoons.

Why do we care about protecting bats? They're the #1 predator for night-flying insects, which are often crop destroying pests. Every bat we lose equals more chemical pesticide that farmers must use to efficiently grow crops.

tombert•3w ago
I'm not sure if I'd call it full-fledged PTSD, but I have some guilt associated with an incident of a rat invasion in my house. We initially used glue traps with the hope that we'd catch the rats and maybe be able to release them outside. What happened instead is that one of the rats was caught, chewed its arm off to escape, bled all over my house, and eventually died.

I don't like rats, and I don't really even have a huge issue with killing them, but I certainly don't want to torture them. If I had used a snap trap, the rat would be dead in about a second. With the glue trap he was suffering for hours, probably in immense pain.

I don't think rats are cute anymore and I'm not sure that glue traps should be legal.

faidit•3w ago
100% agree on banning glue traps. Snap traps aren't perfect though. I had to finish off a mighty survivor of one once. The rat was huge. When I heard the rattling in the shed I panicked and grabbed a shovel lying nearby. My mind has erased the memory of what happened next, I just remember the aftermath and being splattered with lots of rat blood. I deeply regret doing that and wish I had let her limp away to an uncertain fate. I stopped setting traps after that and just let them run rampant through the moldy old walls of that place until I moved.
neom•3w ago
I had to choke back a little because the happiness of people like you existing was very strong. That is some extremely admirable kindness.
neom•3w ago
It's not your fault!! :) you didn't know that would happen if you did you wouldn't have done it. :) So yeah: Those traps should be illegal. I understand why people kill rats, I eat meat, but I appreciate folks who do it as painlessly as they can. I love rats sooooo much, probably irrationally so because they helped me a lot through my parents divorce when I was a wee boy, they're very bonded animals, they accept you in as part of their life and show incredible amounts of affection towards you. On top of that, they're intelligent!
tombert•3w ago
I mean, they were really messing up my house. They knocked over an entire shelf in my pantry, which I admittedly was kind of impressed by considering that shelf was full of stuff any not light. They were eating through plastic containers and eating/shitting in our food.

We had to replace all our food containers with very thick plastic containers or glass containers, and after the disaster with the glue traps we hired an exterminator who patched up all the holes they were getting in from and laid a lot of snap traps, which as far as I can tell, killed them immediately and thus they didn't suffer.

I'll admit that I don't really love the idea of killing mammals; but I do love my house staying together.