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

https://openciv3.org/
475•klaussilveira•7h ago•116 comments

The Waymo World Model

https://waymo.com/blog/2026/02/the-waymo-world-model-a-new-frontier-for-autonomous-driving-simula...
813•xnx•12h ago•487 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
33•matheusalmeida•1d ago•1 comments

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

https://github.com/valdanylchuk/breezydemo
157•isitcontent•7h ago•17 comments

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

https://github.com/pydantic/monty
156•dmpetrov•7h ago•67 comments

A century of hair samples proves leaded gas ban worked

https://arstechnica.com/science/2026/02/a-century-of-hair-samples-proves-leaded-gas-ban-worked/
92•jnord•3d ago•12 comments

Dark Alley Mathematics

https://blog.szczepan.org/blog/three-points/
50•quibono•4d ago•6 comments

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

https://vecti.com
260•vecti•9h ago•123 comments

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

https://eljojo.github.io/rememory/
207•eljojo•10h ago•134 comments

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

https://github.com/microsoft/litebox
328•aktau•13h ago•158 comments

Sheldon Brown's Bicycle Technical Info

https://www.sheldonbrown.com/
327•ostacke•13h ago•86 comments

Hackers (1995) Animated Experience

https://hackers-1995.vercel.app/
411•todsacerdoti•15h ago•219 comments

PC Floppy Copy Protection: Vault Prolok

https://martypc.blogspot.com/2024/09/pc-floppy-copy-protection-vault-prolok.html
23•kmm•4d ago•1 comments

An Update on Heroku

https://www.heroku.com/blog/an-update-on-heroku/
337•lstoll•13h ago•242 comments

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

https://github.com/phreda4/r3
52•phreda4•6h ago•9 comments

Delimited Continuations vs. Lwt for Threads

https://mirageos.org/blog/delimcc-vs-lwt
4•romes•4d ago•0 comments

How to effectively write quality code with AI

https://heidenstedt.org/posts/2026/how-to-effectively-write-quality-code-with-ai/
195•i5heu•10h ago•145 comments

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

https://infisical.com/blog/devops-to-solutions-engineering
115•vmatsiiako•12h ago•38 comments

Learning from context is harder than we thought

https://hy.tencent.com/research/100025?langVersion=en
152•limoce•3d ago•79 comments

Understanding Neural Network, Visually

https://visualrambling.space/neural-network/
245•surprisetalk•3d ago•32 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/
996•cdrnsf•16h ago•420 comments

Introducing the Developer Knowledge API and MCP Server

https://developers.googleblog.com/introducing-the-developer-knowledge-api-and-mcp-server/
26•gfortaine•5h ago•3 comments

FORTH? Really!?

https://rescrv.net/w/2026/02/06/associative
46•rescrv•15h ago•17 comments

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

https://andrewjrod.substack.com/p/im-going-to-cure-my-girlfriends-brain
67•ray__•3h ago•30 comments

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

https://red.anthropic.com/2026/zero-days/
38•lebovic•1d ago•11 comments

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

https://docs.smooth.sh/cli/overview
78•antves•1d ago•59 comments

How virtual textures work

https://www.shlom.dev/articles/how-virtual-textures-really-work/
30•betamark•14h ago•28 comments

Show HN: Slack CLI for Agents

https://github.com/stablyai/agent-slack
41•nwparker•1d ago•11 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...
7•gmays•2h ago•2 comments

Evolution of car door handles over the decades

https://newatlas.com/automotive/evolution-car-door-handle/
41•andsoitis•3d ago•62 comments
Open in hackernews

Hacking the Humane AI Pin

https://writings.agg.im/posts/hacking_ai_pin/
182•agg23•4mo ago

Comments

vessenes•3mo ago
Ooh, this is cool. The Humane was a cool form factor, and I always thought that hand laser projection thing looked awesome. Upshot is the author is a ninja and is building an open assistant platform on the pin, which first requires that the old pins be jailbroken. Significant (successful) effort ensues.
torginus•3mo ago
It makes me think of those laser projection keyboards that were widely sold as novelty items about 15ish years ago. It was futuristic even back then but considered mostly impractical
aftbit•3mo ago
Wow this is such a cool hack. It seemed like a simple "known vuln" situation but there was so much more that had to be figured out! I wish I had one of these just to play with the open stack.
kjellsbells•3mo ago
I'm strangely comforted by the fact that OP had to work so hard to get in.

I was expecting that the pin software would be IoT-standard terrible, so it was a pleasant surprise to see that the Humane team did their best to use SELinux and lock it down.

No knock on them for not getting it 100% right here, and besides, it's always been the case that once an attacker has physical access they will eventually get in.

agg23•3mo ago
I definitely agree. Humane cared about physical device security a lot and it really shows with how they built out the firmware.
jkestner•3mo ago
Best of all, their security through obscurity.
philipwhiuk•3mo ago
Using a vulnerability not found until after the software stopped being maintained feels a bit like cheating :)
agg23•3mo ago
It would, but the vulnerability was found and patched in mainline Android a few months after the device came out, but with over half a year until support was dropped. We obviously can't expect them to have kept the OS up to date, especially given the pressure they were under, but applying security patches seems very reasonable.
vayup•3mo ago
Me too. Kudos to the team.
edm0nd•3mo ago
They are cool but both Humane pin and the Rabbit R1 products were largely flops and failures. I do hope in the next 10-20 years this same tech will advance and actually work and be cool.
Gigachad•3mo ago
The actual idea itself seems flawed rather than just the implementation. Ordering an uber on your phone and seeing where it is on the map is always going to be easier than trying to do it through voice and a hand projector.

And the rabbit was just an android app bundled with a low end phone.

SpecialistK•3mo ago
I agree. It looked like a solution in search of a problem.

Which is very common when everyone has big hires screens and oodles of compute power in their pocket. What can a new entrant offer which couldn't be an app?

brightbeige•3mo ago
Workstations put a computer on your desk.

Laptops put a computer in your backpack.

Smartphones put a computer in your pocket.

(I’m not sure what is next, but it’s coming, eventually.)

shomp•3mo ago
Some people think it is the eyeball (glasses), some people think it is the brain (NeuraLink). Some people think it is the wristwatch. The pins were an attempt at a pendant. I don't think anyone has tried the necklace, yet. A glove might also be interesting. If the peripheral keeps shrinking, it could be a ring, or set of rings, or an earring. Or a fairy that follows you around like in Ocarina of Time. We could write a theorem about convenience of use and capabilities at different scales for peripherals. It is worth noting that some sizes never really go obsolete, but rather enhance in power and capability.
Gigachad•3mo ago
Interaction on smaller devices is harder, so they focus more on consumption. The smart glasses will probably be annoying to interact with so you’ll just get a TikTok feed of endless content and maybe a single input to skip the current content and train the feed.
kergonath•3mo ago
> I’m not sure what is next, but it’s coming, eventually.

Getting computers smaller and smaller gets impractical in terms of user interface. A possibility is neural implants. But the other direction we’re already facing is just smarter everything with microprocessors everywhere. Each device does not need to run Android to be useful (or annoying, because not everything needs to get smart and adding processing is also adding new and exciting failure modes). But each device still integrates a computer.

dbbk•3mo ago
The answer is so clearly the glasses and always has been. Private audio output, visual information on a HUD.
mattnewton•3mo ago
I guess I just don’t see the appeal over a smartphone. How often are your hands incapacitated where it warrants all the other advantages of that form factor? And the R1 form factor largely didn’t even have that advantage.
kergonath•3mo ago
> How often are your hands incapacitated where it warrants all the other advantages of that form factor?

Even then, that use case is covered by Bluetooth headphones connected to a phone that can be either in a pocket or stowed safely 10m away.

jkestner•3mo ago
Smartphones exploded when devs were given a bunch of cool new I/O followed by rapid cost reduction. Shame that the startups doing the cool hardware don’t do that… can’t say it’s the funding. They sure had enough.
touchscreenstho•3mo ago
Smartphones exploded because they introduced a new, better form of input to the general market. Most use cases do NOT require fine precision of input, so buttons were unnecessary, and the market had already tried both few and many buttons. Smart on-screen keyboards and an UI entirely controllable with touch was a revolution people don't want to come back from until they DO need that precision, which is why gaming accessories like the bone exist, but are a niche.

A projector is none of that. A projector is a gimmick. The projector could cost $5 and it would still fail to capture an audience if it wasn't just a side-feature on a more conventional phone.

bko•3mo ago
A bit off topic perhaps but what's difficult about making this a product? Please forgive my ignorance. Its just a microphone, speaker, could be a Bluetooth controller and a battery, and have it go through your phone. Maybe a small local neural net to monitor for keyword locally.

I guess it's a few more parts if you don't want it to go through your phone, but is that all that's happening here? What am I missing?

Is the hard part just the size? Or battery efficiency? Seems like all stuff i have in my drawer from messing around w raspberry pis over the last ten years

agg23•3mo ago
This is something you can accomplish very easily in a ESP32 form factor, streaming audio over wifi/bluetooth. However, it doesn't fully deliver the same experience; the goal was for it to replace your phone, so it needs to support a lot more functionality such as data persistence, offline support, notifications, cellular, maybe some form of visual IO (the laser projector), etc.

From my perspective I was just interested in the excellent industrial design, which is something that is virtually impossible for a DIY setup to attain.

duskwuff•3mo ago
> From my perspective I was just interested in the excellent industrial design

Debatable. The pin ran hot and had a short battery life, often less than a day even with the extended battery. The magnetic attachment was fiddly to use, and some users had trouble with it not staying put. The laser projector had serious usability problems - it wasn't very bright or clear, and interacting with the projected image (which was required to unlock the device, among other features) was extremely awkward.

One can argue that some of these are implementation issues, but working within the limitations of available technology is an inextricable part of industrial design. Dreaming up a perfect fantasy device is easy; designing one which can actually be implemented is much harder.

bobsmooth•3mo ago
It's got a nifty laser projector, that's it. It could be a smartphone app.
0_____0•3mo ago
What do you mean by 'making this a product?'

Building proofs of concept isn't that hard.

When you need to produce thousands of them, and you've got market/product/engineering requirements, V&V, component sourcing, production tooling to set up, and, importantly, a budget, things get hard (or at least time consuming) quickly.

numpad0•3mo ago
They engineered it properly, which costs a lot. Rabbit R1 was much like how you described; repurposed cheap Android phone with minimal gimmick.

This one looked a lot more lovely thanks to the amount of brain juice spent on it, but otherwise, the end result was ~same.

beAbU•3mo ago
The hard part is convincing investors that it's a good idea, so that they can drown you in gold. Or maybe that's the easy bit. I don't know.

The reason for failure here is lack of a killer app. Everyone is excited, then when they get it it's a glorified todo list and maybe it can read your texts. This failure mode is quite common and we've seen it with other devices like smart glasses, the Rabbit R1 pin, I suspect openAI's pin is going to be similar, and so on. Your average non-tech-enthusiast consumer will need a real good reason to carry around a front-facing camera full time.

buildbot•3mo ago
Wow, there’s so many levels of investigation and depth to getting this device opened. The short section on the eSIM seems like a story in of itself!

Somewhat incredible people have this much dedicated focus.

kotaKat•3mo ago
The eSIM stuff is amusing, given the limitations Humane had in production. IIRC, they had issues removing the T-Mobile account from Pins for reuse, among other things, and it was likely because of this crazy LPA implementation. I assume they were hoping to stay alive long enough to fix the LPA issues and be able to re-issue Pins… :(
elysianPanel2•3mo ago
When it takes a ninja-level hacker to break in, at least they tried harder than most IoT companies.
quantumVale33•3mo ago
Sometimes the best treasures are found in failed products, it's like getting a $700 AI pin for $300 and a lot of weekend hacking fun
dreadnip•3mo ago
This part confused me:

“ Suddenly one day about a week in I got a random anonymous message on Signal containing a single file of 1,704 bytes. I cautiously examine this rogue file in a hex editor and find that it looks like a real private key.”

I’m very unfamiliar with Android development so I’m not sure what the author is implying here. Is this some random Humane owner sending his key to him, or maybe a former Humane employee?

msephton•3mo ago
Right. I think it's just a way of saying that he got the key through unorthadox means. But I'd say it's quite likely via a former employee.
didip•3mo ago
Seeing that it's a super flawed idea, surprising that Humane put in so much effort in this product. I thought it was just a quick cash grab attempt.
chrischen•3mo ago
Is it that flawed? Maybe a bit early and not enough cash behind them as say a company like Meta or Apple (planning to pivot the VR headset into AR glasses).
krzat•3mo ago
Reminds me of juicero, apperently it's engineering was also pretty solid.
0_____0•3mo ago
The juicero wasn't well-engineered, it was overbuilt, and comically so. Apparently BOM cost did not feature in the product requirements.

There's a saying - anyone can design a building that stands, but only an engineer can design a building that just barely stands.

lnenad•3mo ago
> There's a saying - anyone can design a building that stands, but only an engineer can design a building that just barely stands.

Haven't heard that one but it makes a lot of sense lol

Closi•3mo ago
While I agree it was ultimately flawed, I think it's likely that the core team at Humane genuinely thought this was the future of computing, and clearly put in a lot of effort.

... And maybe something like this is, it was probably just too early.

busssard•3mo ago
i dont understand why hardware companies when shutting down release the info necessary to hack ther devices. This would at least let them be remembered in style, when people can still use the hardware.

This way they will just be forgotten.