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

https://openciv3.org/
594•klaussilveira•11h ago•176 comments

The Waymo World Model

https://waymo.com/blog/2026/02/the-waymo-world-model-a-new-frontier-for-autonomous-driving-simula...
902•xnx•17h ago•545 comments

What Is Ruliology?

https://writings.stephenwolfram.com/2026/01/what-is-ruliology/
22•helloplanets•4d ago•17 comments

How we made geo joins 400× faster with H3 indexes

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96•matheusalmeida•1d ago•22 comments

Unseen Footage of Atari Battlezone Arcade Cabinet Production

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28•videotopia•4d ago•0 comments

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204•isitcontent•11h ago•24 comments

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

https://github.com/pydantic/monty
200•dmpetrov•12h ago•91 comments

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313•vecti•13h ago•137 comments

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

https://github.com/microsoft/litebox
353•aktau•18h ago•176 comments

Sheldon Brown's Bicycle Technical Info

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355•ostacke•17h ago•92 comments

Hackers (1995) Animated Experience

https://hackers-1995.vercel.app/
459•todsacerdoti•19h ago•231 comments

Delimited Continuations vs. Lwt for Threads

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24•romes•4d ago•3 comments

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

https://eljojo.github.io/rememory/
259•eljojo•14h ago•155 comments

Dark Alley Mathematics

https://blog.szczepan.org/blog/three-points/
80•quibono•4d ago•19 comments

An Update on Heroku

https://www.heroku.com/blog/an-update-on-heroku/
392•lstoll•18h ago•266 comments

Was Benoit Mandelbrot a hedgehog or a fox?

https://arxiv.org/abs/2602.01122
7•bikenaga•3d ago•1 comments

PC Floppy Copy Protection: Vault Prolok

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53•kmm•4d ago•3 comments

Vocal Guide – belt sing without killing yourself

https://jesperordrup.github.io/vocal-guide/
4•jesperordrup•1h ago•0 comments

How to effectively write quality code with AI

https://heidenstedt.org/posts/2026/how-to-effectively-write-quality-code-with-ai/
235•i5heu•14h ago•178 comments

Introducing the Developer Knowledge API and MCP Server

https://developers.googleblog.com/introducing-the-developer-knowledge-api-and-mcp-server/
46•gfortaine•9h ago•13 comments

Why I Joined OpenAI

https://www.brendangregg.com/blog/2026-02-07/why-i-joined-openai.html
122•SerCe•7h ago•102 comments

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

https://infisical.com/blog/devops-to-solutions-engineering
136•vmatsiiako•16h ago•60 comments

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68•phreda4•11h ago•12 comments

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271•surprisetalk•3d ago•37 comments

Female Asian Elephant Calf Born at the Smithsonian National Zoo

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25•gmays•6h ago•7 comments

I now assume that all ads on Apple news are scams

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1044•cdrnsf•21h ago•431 comments

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

https://github.com/dmtrKovalenko/zlob
13•neogoose•4h ago•9 comments

Learning from context is harder than we thought

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171•limoce•3d ago•92 comments

FORTH? Really!?

https://rescrv.net/w/2026/02/06/associative
60•rescrv•19h ago•22 comments

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

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89•antves•1d ago•66 comments
Open in hackernews

Old Timey Code and Old Timey Mono Fonts

https://github.com/dse/old-timey-mono-font
192•dsevil•9mo ago

Comments

dsevil•9mo ago
Based on Reproducing Typewriter, a letterpress typeface from c. 1906 used to create fake typewritten letters for promotional material. Where other monospace typefaces replicated actual typewriters, Reproducing Typewriter had improvements for better readability at smaller point sizes and/or where poor quality reproduction was an issue.

I thought its features would make it the basis of a good coding font, too. Old Timey Mono is much closer to the original while Old Timey Code makes it an even better typeface for writing source code.

It was the coding font used in the Turbo Pascal 3.0 user manual. I've not seen it elsewhere except old patents' cover pages.

Enjoy and if you have any comments or questions, comment or enquire away.

https://github.com/dse/old-timey-mono-font

https://webonastick.com/fonts/old-timey-mono/

chrchr•9mo ago
It's gorgeous. Thanks for making and sharing it!
bluenose69•9mo ago
Based on the first link, it seems as though zero and upper-case "O" are very similar. (My eyes cannot discern a difference, but I admit that my eyes are not top-notch.)
JonathonW•9mo ago
In Old Timey Mono, lowercase "L" and the number "1" are also very similar.

Old Timey Code fixes both of these-- it has a slashed zero and redraws the number 1 to be distinct (angles the top serif).

somat•9mo ago
The original typewriter had no "0" or "1" you were expected to use "I" or "O" in place. I suspect an authentic typeface should have trouble distinguishing them.

and having said that, forget authenticity, I really appreciate typefaces that make an effort to distinguish all characters.

dsevil•9mo ago
I was taught to use lowercase letter L for the digit 1 though I did see typewriter samples using the capital I.
VTimofeenko•9mo ago
Thanks so much for making it! Usually fonts like this are a non-starter for me since they lack Cyrillic letters. Your inclusion of those symbols is much appreciated.
merecactus•9mo ago
Thank you so much for making and sharing this. I'm especially grateful that you included the code variant. I'm not a programmer but love monospace fonts but the lack of a slashed zero in so many otherwise lovely fonts has been a deal breaker for me!
syeare•9mo ago
Spotted my kin!

What is it that makes slashed zeroes so nuch more appealing than the other kinds of "zeroes"? Slashed zeroes are definitely much better than those nasty dotted inverse donut zeroes

How does a dot in a zero even make any kinda logical sense? It's like a piece of dough floating in midair in the center of a donut

Dotted zeroes [insert copypasta] bad

I don't even know why I'm so obsessed with the slash in zeroes

sollewitt•9mo ago
I will defend the honor of dotted zeros! I really like the zero in Space Mono, I think that nailed the retro future aesthetic.

IMH(and no design school)O when the character is oblong and the dot is a circle, it creates a similar contrast to the straight slash through an ellipse, but with less visual weight.

mprovost•9mo ago
Dotted zeros remind me of the BIOS screen on an old monochrome Compaq luggable. Good times.
dsevil•9mo ago
Yeah the dot is mostly a manner of preference. It looks less crowded than slashed zero maybe? The dotted zero does disambiguate from U+00D8 [LATIN CAPITAL LETTER O WITH STROKE](https://en.wikipedia.org/wiki/%C3%98).
actionfromafar•9mo ago
You wouldn't consider changing license to Apache-2.0, or dual license under that?
wmwragg•9mo ago
Looking at the examples, they look good, though one thing stands out, the "w" seems to be bolder than the other letters. The "m" seems fine, as do the other letters and symbols, just the "w".
dsevil•9mo ago
It appears to look that way in the Turbo Pascal manual as well. I'll check ATF specimens and whatnot.
mhd•9mo ago
I'm currently using an old copy of Letter Gothic 12 Pitch from an ancient Ventura Publisher CD, and like that style a lot, so definitely going to try this.
Telemakhos•9mo ago
This is pretty nice: thanks for including polytonic Greek and macrons over Latin vowels including over y. I especially love how the breathing marks and accents look together over initial vowels in Greek, and I love zeta (ζ) and xi (ξ) in this font.

Might I make a few specific suggestions:

- allow combining breve over Latin y as well: sometimes that's handy for indicating contrast

- check the height of stacking diacritical marks: a perispomenos tonos or circumflex accent over a breathing mark over a vowel (like in εἶναι eĩnai) ends up stacking up tall enough to intersect with descenders (like on ζ zeta) from the line above

- the circumflex over alpha (ᾶ) looks really good, because it follows the curve of the alpha itself, but circumflex over eta (ῆ) looks off-center, because it left-aligns to the ear on the left of eta. The same could be said for the iota subscript (ᾳῃῳ): it looks great under alpha and omega, but it's a bit awkward under eta because of how far to the left it is.

- have you considered adding a variation for the Porsonic or single-curve circumflex?

dsevil•9mo ago
Ok so there's no capital or small Y with breve in Unicode.

Are you seeing the combining breve to the right of the Y/y (instead of atop it) when trying to use them?

Your suggestions are welcome, thank you!

ahazred8ta•9mo ago
I'll note the diacritics test page at https://alanwood.net/unicode/combining_diacritical_marks.htm... -- is there a better one?
ahazred8ta•9mo ago
Is ther a test page online that you can recommend?
kleiba•9mo ago
Apparently, the letter ß is not included which is used in German. That's why German is absent from the list of supported languages.
brainwad•9mo ago
Just the uppercase variant ẞ - the lowercase ß _is_ there. Notably, uppercase ẞ didn't exist at the time the source typeface was designed – it was only officially adopted 111 years later in 2017.
olelele•9mo ago
Looks great! Will use!
kaitocross•9mo ago
I wonder why Luxembourgish is supported when German is not...
mcv•9mo ago
Maybe Luxembourgish doesn't have an uppercase ẞ?

Dutch is also not supported. Presumbly no support for the 'ij' digraph. But do you even need that in a monospace font? Admittedly old Dutch typewriters used to have a single character for it, but that's really old-timey.

dsevil•9mo ago
I didn't want to even try to mess with ligatures in a monospace font though I did œ and Œ and for WGL4 completeness IJ. So yeah I'll do ij as well...
evan_piermont•9mo ago
Is there a(n easy) way to integrate this into Latex, to use it for math fonts?
phorkyas82•9mo ago
If you want to use non standard fonts, I think, you should use XeLaTex to compile your file. After installing the font in the system, this just worked on my Ubuntu:

\usepackage{mathspec} \setallmainfonts(Digits,Latin){Old Timey Mono}

\begin{document}

Just test some equation \begin{equation} \frac{e^x}{2-x} = \int_0^\infty f(x)dx \end{equation}

\end{document}

plumbees•9mo ago
Windows is not liking the font files :( Will wait for next release
dsevil•9mo ago
When clicking to OPEN them (which I'm not able to do) or just right-clicking to INSTALL them (which I'm able to do)?
JohnDeHope•9mo ago
I can't tell if you're aiming for a faithful reproduction of the original font, or to make the coding font modern and most useful to today's developer. But... Can the code variant have the asterisk used to represent multiplication be on the same line as other math operators like plus, minus, and tilde? +-~* I always like the asterisk to be in line with the others. Maybe I am just weird. Also for the code variant I think the pound or hash mark # could be reduced in drama a little, to fit in with the other punctuation marks. Thanks for listening to my two cents.
dsevil•9mo ago
Old Timey Mono is the mostly faithful reproduction.

Old Timey Code is the coding friendly font.

I'm aiming for both.

psunavy03•9mo ago
I'm trying the code version out, and the only minor tweak I could mention is that having the option for a dotted zero would be clutch. The other typewriter font that has one is narrower, and this one reads better otherwise, at least to me.