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

https://openciv3.org/
528•klaussilveira•9h ago•146 comments

The Waymo World Model

https://waymo.com/blog/2026/02/the-waymo-world-model-a-new-frontier-for-autonomous-driving-simula...
859•xnx•15h ago•517 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
72•matheusalmeida•1d ago•13 comments

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

https://github.com/valdanylchuk/breezydemo
180•isitcontent•9h ago•21 comments

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

https://github.com/pydantic/monty
182•dmpetrov•10h ago•78 comments

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

https://vecti.com
294•vecti•11h ago•130 comments

Dark Alley Mathematics

https://blog.szczepan.org/blog/three-points/
68•quibono•4d ago•12 comments

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

https://github.com/microsoft/litebox
343•aktau•16h ago•168 comments

Sheldon Brown's Bicycle Technical Info

https://www.sheldonbrown.com/
338•ostacke•15h ago•90 comments

Hackers (1995) Animated Experience

https://hackers-1995.vercel.app/
433•todsacerdoti•17h ago•226 comments

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

https://eljojo.github.io/rememory/
237•eljojo•12h ago•147 comments

Delimited Continuations vs. Lwt for Threads

https://mirageos.org/blog/delimcc-vs-lwt
13•romes•4d ago•1 comments

An Update on Heroku

https://www.heroku.com/blog/an-update-on-heroku/
372•lstoll•16h ago•252 comments

Unseen Footage of Atari Battlezone Arcade Cabinet Production

https://arcadeblogger.com/2026/02/02/unseen-footage-of-atari-battlezone-cabinet-production/
6•videotopia•3d ago•0 comments

PC Floppy Copy Protection: Vault Prolok

https://martypc.blogspot.com/2024/09/pc-floppy-copy-protection-vault-prolok.html
41•kmm•4d ago•3 comments

Show HN: ARM64 Android Dev Kit

https://github.com/denuoweb/ARM64-ADK
14•denuoweb•1d ago•2 comments

How to effectively write quality code with AI

https://heidenstedt.org/posts/2026/how-to-effectively-write-quality-code-with-ai/
219•i5heu•12h ago•162 comments

Why I Joined OpenAI

https://www.brendangregg.com/blog/2026-02-07/why-i-joined-openai.html
90•SerCe•5h ago•75 comments

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

https://github.com/phreda4/r3
61•phreda4•9h ago•11 comments

Learning from context is harder than we thought

https://hy.tencent.com/research/100025?langVersion=en
162•limoce•3d ago•82 comments

Introducing the Developer Knowledge API and MCP Server

https://developers.googleblog.com/introducing-the-developer-knowledge-api-and-mcp-server/
38•gfortaine•7h ago•10 comments

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

https://infisical.com/blog/devops-to-solutions-engineering
127•vmatsiiako•14h ago•53 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...
18•gmays•4h ago•2 comments

Understanding Neural Network, Visually

https://visualrambling.space/neural-network/
261•surprisetalk•3d ago•35 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/
1029•cdrnsf•19h ago•428 comments

FORTH? Really!?

https://rescrv.net/w/2026/02/06/associative
54•rescrv•17h ago•18 comments

WebView performance significantly slower than PWA

https://issues.chromium.org/issues/40817676
18•denysonique•6h ago•2 comments

Zlob.h 100% POSIX and glibc compatible globbing lib that is faste and better

https://github.com/dmtrKovalenko/zlob
5•neogoose•2h ago•1 comments

I'm going to cure my girlfriend's brain tumor

https://andrewjrod.substack.com/p/im-going-to-cure-my-girlfriends-brain
109•ray__•6h ago•54 comments

Evaluating and mitigating the growing risk of LLM-discovered 0-days

https://red.anthropic.com/2026/zero-days/
45•lebovic•1d ago•14 comments
Open in hackernews

Dreariness Index (2015)

http://us-climate.blogspot.com/2015/03/dreary-weather.html
32•skupig•9mo ago

Comments

monkeyfacebag•9mo ago
As someone who has resided both in a foggy part of San Francisco and in Portland, I feel that this index doesn't adequately capture the dreariness of some SF neighborhoods.
caseyohara•9mo ago
Agreed. It doesn't seem right that San Francisco (famously foggy) is ranked less dreary than Denver (famously sunny 300 days a year* and quite arid).

*"300 days of sunshine per year" is frequently cited, even on the official Visit Denver website (https://www.denver.org/meetings/denver-info/weather/). Having lived in Denver for the last ~15 years, it is very sunny, but "300 days a year" stretches the truth just a bit.

davidw•9mo ago
I also live in a "300 days of sunshine" place - Bend, Oregon - where people have examined the number and found it to be a complete fabrication.

It seems that 100 or so years ago, promoters decided that was the magic number to attract people.

madcaptenor•9mo ago
I think to adequately analyze San Francisco you need finer geographic resolution than this data allows.
xnx•9mo ago
That is a crazy color scale. Both ends are basically red?
bahmboo•9mo ago
Time frequency is an important aspect. 10 days in a row with no sun is maddening for me vs 20 days where it alternates evenly between sun ball and no sun ball.

As the author states:

  Of course this methodology is completely arbitrary and far from perfect, but it is a start.
roxolotl•9mo ago
Love that you can see Mt Washington NH on this map. There’s nothing quite like the weather around it.
wenc•9mo ago
Can confirm map. Seattle is truly dreary.
SCUSKU•9mo ago
I grew up in Seattle, and moved to California in large part because of the seasonal depression I would get. I'm much happier in SF.
qingcharles•9mo ago
Does dreary weather produce nicer people, though? The places with the dreariest weather seem to correlate with lovely populations?
wenc•9mo ago
Yes and no. They produce “nice” people who are polite, but distant. Dreary places encourage introversion so people are much less warm. People are more inward looking and private. They want to mostly keep to themselves.

Seattle is known for Seattle Freeze. I feel this every time I return from travel to another part of the country, even parts of the country that are snowier and colder. In snowier places people have more character and they help each other out a lot more — it’s part of the culture.

But Seattle is just misty rain 9 months of the year. Emotionally it feel bleaker. There’s no pull to help each other out (it’s just rain) and there’s no character building through snow shoveling or brushing snow off your car to meet friends. You just don’t feel like doing anything or admitting anyone in your life.

DidYaWipe•9mo ago
When I think "dreary," I don't think about weather. I think about ugly-ass environs.

That's why I looked at the map, saw L.A. in a red zone, and thought huh there might be something to this.

anthomtb•9mo ago
I am not sure you are interpreting the map correctly. The red-brown tones are less-dreary, while bright red is more-dreary. L.A. is squarely in the less-dreary area. See also the numerical rankings.

Your point stands though. L.A. is one fugly city.

madcaptenor•9mo ago
It's harder to throw together an index of fugliness based on public data, though.
anthomtb•9mo ago
Actually, this sounds like a great use for an LLM or even boring old machine classification. I am sure Prague and Beautiful are commonly found a few tokens apart in a training set of say, TripAdvisor forums. While "LA"/"Los Angeles" and "ugly" are likely to be similarly co-located.
DidYaWipe•9mo ago
I'd hope so.

Just the other day I saw tourists trudging around on Hollywood Boulevard, which is a major shithole. I thought that I can't believe these people aren't deeply disappointed but afraid to admit it.

DidYaWipe•9mo ago
I didn't make any attempt to interpret it correctly. I saw a map purporting to measure dreariness, and on it a lot of red around L.A.

Given that red usually connotes "the most of" whatever the map is supposed to show, it struck me as consistent with my experience.

ninalanyon•9mo ago
Perhaps someone could do a survey asking people whether they felt the weather was dreary and try to correlate that with cloud cover, precipitation, etc.

For me a good rainstorm is not necessarily dreary and endless sunshine is not necessarily un-dreary.

davidw•9mo ago
One quibble might be Hawai'i. Tropical cloudy/wet doesn't feel quite the same as the 5C (~ 41F) rain/cold/dreary you get in, say, Portland Oregon that just chills you to the bone.
macNchz•9mo ago
I've wanted to do a similar thing for "sweatiness" for a while, to try quantify the amount of time each year you can do outdoor activities or have the windows open without feeling too hot, based on dew point/humidity + temperature.

I grew up somewhere that didn't require air conditioning, but live in NYC now and find that as an adult the only weather I find truly unpleasant is when it's too hot to do anything outside without immediately being drenched in sweat. I really dislike the feeling of being trapped inside in the A/C, since at least even when it's very cold you can be comfortable in proper clothing.

Even without an actual map, though, I've been enjoying many of the visualizations on https://weatherspark.com/ for comparing cities on these kinds of things.

rob74•9mo ago
> In previous posts, I have looked at total rainfall, number of wet days, and cloud cover independently of one another.

Unfortunately those posts aren't linked, so that left me a bit puzzled. A day with rain is also wet (and probably cloudy)? So not sure how you can look at the three independently. Also, what is a "wet day" without rain? Foggy? High air humidity, but no rain?

stevenwoo•9mo ago
I’ve been areas where the cloud height matches or is below the altitude and everything outside is wet. This happens in coastal areas with clouds starting at elevation zero, too. One can ascend the mountains to see the cloud tops.
bilater•9mo ago
This tracks. I always say about Seattle its not the rain but the gray that makes it depressing.
qingcharles•9mo ago
100% this. Seattle is probably my favorite city in the USA, but the dreary weather kills it for me.

People say it rains all the time in England, but it's not that. It's the grey that makes it depressing.

lutusp•9mo ago
> Seattle is probably my favorite city in the USA, but the dreary weather kills it for me.

I beg to differ -- a pioneering 1949 Seattle solar energy project offers a different view, and as soon as the sun comes out, they're going to release their final report.

bentt•9mo ago
People bust on Buffalo for the snow, but the dreariness makes up for it.
lutusp•9mo ago
IMHO a better model would take into account both ends of the temperature spectrum. There are days in the southwest so hot that one wouldn't think of going outside -- just as though it were rainy and/or cold.

In fact, because of climate change, on days when the so-called "wet-bulb temperature" gets to 35°C (95°F), people who dare to go outside will simply die. That day may arrive sooner than people think.

Imagine this: Phoenix, AZ, a day with a wet-bulb temperature at or above 35°C. Everyone is cowering inside near their air conditioners. Then the power fails. This might also happen sooner than people expect.

HPsquared•9mo ago
See also, Misery Index (perceived air temperature as combination of heat index and wind chill). Click map to see values.

https://earth.nullschool.net/#current/wind/surface/level/ove...

rendall•9mo ago
The map colors are unique. It starts lowest as dark red, proceeds from dark red through orange, yellow, green and on into dark blue, then moves into red again for the highest value! Red is both lowest and highest!
levocardia•9mo ago
Low end of scale: dark red. High end of scale: bright red. Who makes these decisions!?!?