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

https://openciv3.org/
546•klaussilveira•10h ago•154 comments

The Waymo World Model

https://waymo.com/blog/2026/02/the-waymo-world-model-a-new-frontier-for-autonomous-driving-simula...
872•xnx•15h ago•528 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
78•matheusalmeida•1d ago•16 comments

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

https://github.com/valdanylchuk/breezydemo
188•isitcontent•10h ago•24 comments

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

https://github.com/pydantic/monty
190•dmpetrov•10h ago•84 comments

Unseen Footage of Atari Battlezone Arcade Cabinet Production

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

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

https://vecti.com
298•vecti•12h ago•133 comments

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

https://github.com/microsoft/litebox
347•aktau•16h ago•169 comments

Dark Alley Mathematics

https://blog.szczepan.org/blog/three-points/
73•quibono•4d ago•16 comments

Sheldon Brown's Bicycle Technical Info

https://www.sheldonbrown.com/
344•ostacke•16h ago•90 comments

Hackers (1995) Animated Experience

https://hackers-1995.vercel.app/
441•todsacerdoti•18h ago•226 comments

Delimited Continuations vs. Lwt for Threads

https://mirageos.org/blog/delimcc-vs-lwt
16•romes•4d ago•2 comments

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

https://eljojo.github.io/rememory/
240•eljojo•12h ago•148 comments

PC Floppy Copy Protection: Vault Prolok

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

An Update on Heroku

https://www.heroku.com/blog/an-update-on-heroku/
378•lstoll•16h ago•256 comments

What Is Ruliology?

https://writings.stephenwolfram.com/2026/01/what-is-ruliology/
5•helloplanets•4d ago•1 comments

How to effectively write quality code with AI

https://heidenstedt.org/posts/2026/how-to-effectively-write-quality-code-with-ai/
222•i5heu•13h ago•168 comments

Why I Joined OpenAI

https://www.brendangregg.com/blog/2026-02-07/why-i-joined-openai.html
97•SerCe•6h ago•80 comments

Show HN: ARM64 Android Dev Kit

https://github.com/denuoweb/ARM64-ADK
14•denuoweb•1d ago•2 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...
20•gmays•5h ago•3 comments

Learning from context is harder than we thought

https://hy.tencent.com/research/100025?langVersion=en
162•limoce•3d ago•83 comments

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

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

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

https://infisical.com/blog/devops-to-solutions-engineering
129•vmatsiiako•15h ago•56 comments

Introducing the Developer Knowledge API and MCP Server

https://developers.googleblog.com/introducing-the-developer-knowledge-api-and-mcp-server/
40•gfortaine•7h ago•11 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/
1033•cdrnsf•19h ago•428 comments

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

https://github.com/dmtrKovalenko/zlob
6•neogoose•2h ago•3 comments

FORTH? Really!?

https://rescrv.net/w/2026/02/06/associative
56•rescrv•17h ago•19 comments

Show HN: Smooth CLI – Token-efficient browser for AI agents

https://docs.smooth.sh/cli/overview
85•antves•1d ago•63 comments

WebView performance significantly slower than PWA

https://issues.chromium.org/issues/40817676
20•denysonique•6h ago•3 comments
Open in hackernews

Optician Sans – A free font based on historical eye charts and optotypes

https://optician-sans.com/
322•exvi•6mo ago

Comments

javier2•6mo ago
So its also monospace?
MattSteelblade•6mo ago
Doesn't look like it. https://github.com/anewtypeofinterference/Optician-Sans/issu...
graypegg•6mo ago
Huh, so I'm only just learning that the Snellen chart isn't the common one! I wouldn't have known the name of it, but if someone asked me to doodle an eye chart from memory, I would've drawn that blocky E with the serifs! I've most likely been tested with the sans-serif Sloan chart I assume, but the letter forms just aren't distinct enough to stick in my brain I guess. A bit of a shame this font doesn't have a "Optician Serif" variant to look like the Snellen letters.
cbm-vic-20•6mo ago
That main image makes my astigmatic eyes very unhappy.

https://optician-sans.com/wp-content/uploads/2018/10/Comp-3....

abtinf•6mo ago
Why did they animate it to add a blur?
GuinansEyebrows•6mo ago
probably to evoke the feeling of undergoing an eye exam.
dylan604•6mo ago
I can hear the tech asking "number 1 or number 2"
ahazred8ta•6mo ago
https://web.archive.org/web/20250730205400/https://nerocam.c...
somat•6mo ago
It's probably just me being a huge introvert, but I dislike saying "I am not sure do it again" more than twice and am always left a bit discontent wondering if the prescription is as good as it should be.

I wish I could book 30 minutes alone with the machine and just dial it in perfectly myself.

bonoboTP•6mo ago
Once I felt like I'll be really attentive and answer confidently, and in the end I got overminused. The hesitation is part of the signal. If it's 1% sharper, even if you can tell which one is 1% sharper, you gotta say hmmm number 1 is a bit better but just a little.

Adding -0.5 to the diopter will often make the distance noticeably sharper in appearance while not really giving you more lines you can read, it's a sensation of sharpness but not really more info. And for that you a price because near vision will require straining your eye muscles to accommodate, and that will often cause headaches and tiredness after reading or working at a monitor.

jrockway•6mo ago
It's worth finding an optometrist that you have a good rapport with for that reason. I got lucky and get along really well with the person that I see; the results are worth speaking up for.

(I had two somewhat persistent problems before I started seeing her... One was that my prescription was focused a little before infinity because the sign is 20 feet away and not infinity feet away. We tweaked some stuff and fixed that problem. The other was that if I'm tired and it's pretty low contrast outside, I always see double. We added some extra prism for that and it's helped a lot. I've had the same prism prescription for 30 years but adding more was a noticeable improvement.)

atonse•6mo ago
OMG I kept thinking my glasses (progressive lenses) were causing that. I didn't realize it was animating.
darkwater•6mo ago
Can't you clearly see why?
pimlottc•6mo ago
That's horrible, the full page blur is less bad since it's so obvious. But man, you should never be intentionally gaslighting the user by making them second-guess their own vision.
Orygin•6mo ago
The full page blur is horrendous. Every navigation to the page triggers it, so if you click and link and hit back, here's a blurry page for 2s. It also nearly triggers headaches for me, so clearly the webdesigner should not be hired for anything serious...
gadders•6mo ago
Nice font. Could have done without the dude's tinder profile pic though.
edwinjm•6mo ago
That’s how Nordic people look like <grin>
dylan604•6mo ago
You know you swiped right.

I had the same odd sentiment about the use of the images as well. It does nothing for me about wanting to use the font.

gadders•6mo ago
:-) Not my target market, but I'd be interested to hear how it worked out for him.
m3kw9•6mo ago
upon entering, it reminds me to go to the Optometrist
CarVac•6mo ago
The round G strongly resembles the Google logo.
its-summertime•6mo ago
that C is annoyingly O-ish, and the blurring... feels almost like its made by an anti-optician
jamesdwilson•6mo ago
it was derived from eye charts that are explicitly designed to find defects in your eyes - it is not a coincidence the O and C look similar.
jantissler•6mo ago
And there are also alternative versions of many letters as shown further down on the page.
artemisart•6mo ago
Yes I don't understand how they can claim it's optimized for legibility when the base font does the inverse.
Telemakhos•6mo ago
There's an alternative, more squarish C; about half the letters have alternative glyphs. If you're using macOS Font Book, scroll down to the bottom of the repertoire to see the alt glyphs.
sandbach•6mo ago
Always amusing to see spelling errors on painstakingly put together design websites. Unless NRK did indeed mean 'Let us all behave like opticians!'
stevetron•6mo ago
My default blank document Font settings in MSWord is Liberation Sans, Bold, 14 px.

But my cataract problem is getting worse, and I may have to bump the size up yet again. I have yet to find another font I like as well.

oxguy3•6mo ago
Liberation Sans is indeed great, but I'm so intrigued: how did you end up preferring a libre font but a proprietary word processor?
egypturnash•6mo ago
I like how one of the testimonials is someone at Adobe basically quoting the copy at the top of the page.

"OPTICIAN SANS: A free font based on the historical eye charts and optotypes used by opticians world wide." - top copy

“A free typeface based on opticians’ eye charts” -Khoi Vinh, Principal designer, Adobe

arcticfox•6mo ago
I think all the testimonials are fake, if this wasn't clear to everyone. I thought they might be real at first but none of them exist. I actually thought that was kind of shitty to do, since they use real companies and media outlets.

(I don't really follow fonts but I do know there is a subculture crazy about them, so I thought it could be theoretically possible that people would write reviews of them).

Rendello•6mo ago
You can click them, they link to their sources.
piker•6mo ago
> "Hmm...this page doesn’t exist. Try searching for something else."

- the link under discussion

GranPC•6mo ago
Link rot is alive and well... unlike their links. https://web.archive.org/web/20190430201350/https://twitter.c...
allenu•6mo ago
It indeed looks like a real quote then, but not much of a testimonial. It may as well be rephrased, "Optician Sans is a thing that I acknowledge exists." Nowadays I suppose that's good enough reason to put up the logo of a company on the landing page.
morkalork•6mo ago
Same energy as:

>I Heartily Endorse This Event Or Product

hn_go_brrrrr•6mo ago
I'm Commander Sheppard, and this is my favorite store on the Citadel.
jrockway•6mo ago
I clicked the Fast Company one because the quote seemed most fake to me and it was a real article. I learned that the underlying problem here is that eye charts only have like 10 letters on them, and this font attempts to guess the rest so you have a full alphabet.
jaysonelliot•6mo ago
I work for Khoi. I should ask him if he really gave this quote.
egypturnash•6mo ago
It links to a tweet. I get a "not found" error there but that's, like, 78% of the Xitter links I click on ever since Musk went full Nazi.
isege•6mo ago
Is it just me or does it look eerily similar to the font Anthropic uses?
jy14898•6mo ago
The font is around 6 years old and free, so I wouldn't be suprised
mellonaut•6mo ago
For those that now find themselves inspired to type the Snellen E, the internet provides an OFL typeface that scratches your itch here¹ (this unclearly licensed modification² even comes with some cute but barely readable lowercase versions of the letters)

1] https://radagast.ca/snellen/snellen.html 2] https://mk.bcgsc.ca/snellen-optotype-font/

jiehong•6mo ago
This reminds me of the eye chart used in some countries, because it isn't based on reading letters, but on a direction.

For example [0], you should indicate the direction where the E points to.

[0]: https://m.media-amazon.com/images/I/61MRfRwHwWL._SL1235_.jpg

mongol•6mo ago
I remember this from when I was a child. Was maybe 4-5 and had not learned the letters yet. But I could turn my hand.
msikora•6mo ago
This is for kids.
Eduard•6mo ago
https://en.m.wikipedia.org/wiki/E_chart
bobmcnamara•6mo ago
Too many Red Ramages driving submarines I suppose.
throwaway290•6mo ago
Fake testimonials.
srameshc•6mo ago
I am looking for a very readable font and I like it. I am not in anyway qualified to compare it to Source Sans Pro or Opensans which I believe are considered very read friendly.
Rendello•6mo ago
Previously seen on HN in 2018: https://news.ycombinator.com/item?id=18665595

They made a Medium post as well: https://medium.com/anewtypeofinterference/completing-a-typef...

voxleone•6mo ago
Really like this typeface. It hits that rare sweet spot between experimental and functional. Big thanks to the ANTI Hamar team.
amdivia•6mo ago
The loading animation made me feel in need of a visit to my optician
htk•6mo ago
Nice font, I wish it had lower case letters as well. It looks like it could be a great fixed width font for coding.
ayaros•6mo ago
I love this so much! I sent it to my Dad, who's an ophthalmologist. Hopefully he gets a kick out of it.
dogmatism•6mo ago
Nah

Atkinson Hyperlegible from the Braille institute is the way if we're going for fonts from vision experts

tim--•6mo ago
There's a mono version of the font too! https://fonts.google.com/specimen/Atkinson+Hyperlegible+Mono
Clamchop•6mo ago
You're confusing a font inspired by letter forms intended to test vision with a font designed to be forgiving of vision deficits.
dogmatism•6mo ago
that was my point
tim--•6mo ago
From the designer's website (https://anti.as/optiker-k) it seems that this was commissioned by ANTI Hamar for the rebranding project for Optiker-K, a Norwegian optician and optometrists store.

This is fantastic! More custom fonts like this should be open sourced.

To me the font looks pretty legible. Worth noting that the font is from 2018, so it's not really a new font, but it is still one of my favorites.

lelandfe•6mo ago
A deeper dive from the agency: https://medium.com/anewtypeofinterference/completing-a-typef...
andrewinardeer•6mo ago
The Dropbox link in the footer is dead:

``` This link has been deleted The owner of this link has deleted or disabled this link. You can not access it at this time. ```

ourmandave•6mo ago
I didn't notice until my last visit but they also make eye charts for kids who don't know letters yet.