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AI as both authors and reviewers of research papers

https://openreview.net/forum?id=SF7BjKnqdh
2•lilnhi18•3m ago•0 comments

Tesla investigated over self-driving cars on wrong side of road

https://www.bbc.com/news/articles/cvg02rdxxz7o
1•choult•4m ago•1 comments

Making Slint Desktop-Ready

https://slint.dev/blog/making-slint-desktop-ready
1•Bogdanp•5m ago•0 comments

Show HN: Create a live-stream from a list of video URLs

https://liveplaylist.pages.dev/
1•GamingAtWork•6m ago•4 comments

Show HN: Saoirse, a privacy-first research assistant (Mac Beta)

https://getsaoirse.ai/
1•unclecolm•8m ago•0 comments

How Hackathons Make You a Better Software Engineer [video]

https://www.youtube.com/watch?v=ux184jvdY60
1•toomuchtodo•8m ago•0 comments

Mystery of Prince Rupert's Drop at 130k FPS [video]

https://www.youtube.com/watch?v=xe-f4gokRBs
2•akshatjiwan•11m ago•0 comments

Show HN: An open-source framework for building "Apps in ChatGPT"

https://github.com/DooiLabs/Chat.js
1•zachpark•14m ago•0 comments

Robert Roberson: Death row inmate's execution halted by Texas CCA

https://www.cnn.com/2025/10/09/us/robert-roberson-execution-stay
2•rossant•14m ago•1 comments

The Burrows-Wheeler Transform

https://sandbox.bio/concepts/bwt
2•g0xA52A2A•15m ago•0 comments

Future of Work: How AI Is Reshaping Software Development

https://bignorthmarketing.com/blog/future-of-work-how-ai-is-reshaping-software-development
1•bignorthchris•17m ago•0 comments

Show HN: I Built a Hub for Infosec

https://pentestlist.com
1•MrTurvey•17m ago•1 comments

Which Cars Get Pooped on the Most? The Bird Dropping Report

https://alansfactoryoutlet.com/infographics/car-bird-droppings-report/
1•gnabgib•18m ago•1 comments

Nucleon Decays into Light New Particles in Neutrino Detectors

https://journals.aps.org/prl/abstract/10.1103/cxvm-p412
1•PaulHoule•18m ago•0 comments

Spoils System

https://en.wikipedia.org/wiki/Spoils_system
1•geox•18m ago•0 comments

Naked mole rat lifespan: A 30-year long mystery unraveled

https://www.science.org/doi/10.1126/science.adp5056
2•bilsbie•19m ago•0 comments

Faster and safer instant euro payments become a reality

https://ec.europa.eu/commission/presscorner/detail/en/ip_25_2321
4•raybb•21m ago•0 comments

Not Even Wrong: On the Limits of Prediction as Explanation in Cognitive Science

https://arxiv.org/abs/2510.03311
1•kjhughes•21m ago•1 comments

Signs That You Don't Understand Obesity

https://www.exfatloss.com/p/signs-that-you-dont-understand-obesity
3•paulpauper•24m ago•0 comments

Yo-Yo Theory: Up and Down Clears the PUFAs

https://theheartattackdiet.substack.com/p/yo-yo-theory
1•paulpauper•24m ago•0 comments

Code Is Never Neutral: Why All Software Is Political [video]

https://www.youtube.com/watch?v=Kpfff6TS018
1•todsacerdoti•27m ago•0 comments

Intel Fab 52 in Chandler Arizona Is Running 18A – ServeTheHome

https://www.servethehome.com/intel-fab-52-in-chandler-arizona-is-running-18a/
2•rbanffy•27m ago•2 comments

Show HN: Transcript-based video editor that runs 100% locally on Mac

https://apps.apple.com/us/app/scriptedit-video-editor/id6752915051?mt=12
2•zhendlin•27m ago•0 comments

More than 30% of this century's science Nobel prizewinners immigrated

https://www.nature.com/articles/d41586-025-03247-6
5•rntn•28m ago•0 comments

US anti-fascism expert blocked from flying to Spain at airport

https://www.theguardian.com/us-news/2025/oct/09/anti-fascism-mark-bray-rutgers-university
53•tastyface•31m ago•6 comments

Quantum Networks: Cisco Software Boosts Classical Tech

https://spectrum.ieee.org/quantum-networks-cisco-quantum-computing
1•rbanffy•31m ago•0 comments

Show HN: Go CLI to create instant PostgreSQL branches of your database

https://github.com/quicdb/quic
1•rafaelquicdb•31m ago•0 comments

We're about to find more interstellar interlopers

https://arstechnica.com/features/2025/10/were-about-to-find-many-more-interstellar-interlopers-he...
1•rbanffy•32m ago•0 comments

New York City Sues Social Media Companies over 'Youth Mental Health Crisis'

https://gizmodo.com/new-york-city-sues-social-media-companies-over-youth-mental-health-crisis-200...
3•mikece•33m ago•0 comments

RND1: Simple, Scalable AR-to-Diffusion Conversion

https://www.radicalnumerics.ai/blog/rnd1
1•ray__•34m ago•0 comments
Open in hackernews

Show HN: I've built a tiny hand-held keyboard

https://github.com/mafik/keyer
163•mafik•4h ago
I bet you didn't knew you can use modelling clay (as opposed to 3d printing) to make nice devices by hand :)

Comments

robthebrew•4h ago
There was a product very similar to this in the late 1980s. My uncle invested in the company. But it flopped. I am sorry I cannot remember the name. I do remember skilled typists could use it at least as fast as 2 hand traditional typing.
theodric•3h ago
That tracks. I just don't think there's the sales volume you'd need to manufacture and sell something like this at an adequate profit, and certainly in the 80s it would have been even more difficult to find enough compute and utility in one place without the benefit of Internet services.
medwards666•3h ago
Wasn't the Microwriter was it perchance?

https://en.wikipedia.org/wiki/Microwriter

theodric•3h ago
Nice work! I'm happy to see that some folks are still interested in wearable computing.

The Twiddler gives me hand cramps, so I might give this one a shot. (It's low on the pile, however.)

epiccoleman•3h ago
Dude, this is so cool! I've had something like this floating around my cluttered headspace for ages, and it always sort of floats to the surface during the rare times when I do some light sysadmin work via Termux on my phone.

Another thing that jumps to mind is the minichord[1], a nominally open-source synth/instrument.

I just love seeing these little devices people can come up with given the proliferation of the necessary devboards and tools. Nice project.

sparrish•3h ago
Not a new thing. Twiddler is on version 4. https://www.mytwiddler.com/
briandw•3h ago
Op was showing off a project. Not claiming novelty. The fact that there are similar items on the market does not diminish this work.
sparrish•2h ago
I wasn't trying to diminish his work. I was letting others know that creating your own isn't the only option available.
FullyFunctional•1h ago
Twiddler really isn’t the same product at all
Y_Y•2h ago
But the twiddler is $230
lairv•3h ago
I had a similar idea when apple vision pro came out, to be able to code while laying on a couch or bed fully relaxed, but never got to doing it. Neat!
skvmb•3h ago
I code this way using the Rayneo Air 3S Pro. Feels like I accomplish more this way because the display is on my head and I can relax.
lairv•54m ago
Do you just type with a regular keyboard then?
matheusmoreira•2h ago
> code while laying on a couch or bed fully relaxed

I wanted this so much I started programming on my phone with Termux. Yes, on a touch screen.

LinuxAmbulance•3h ago
Very nice work. Might not hurt to throw in a few more pictures that illustrate the steps in the build process.
0_____0•3h ago
This is peak hacker. I love this. I love that it's COTS components, I love that the contoured bit is clay. An efficient build.
jml7c5•3h ago
What sort of typing speed do you reach with it?
mafik•3h ago
Hard to say because I'm still stumbling trying to remember a chord most of the time. I'd say 20 wpm when the stumbling is only moderate. I need to get that muscle memory trained!
bee_rider•3h ago
Did you follow some convention for your chording or make something up yourself?

I kind of wonder if some layout that mimics wasd but uses the thumb buttons to indicate which “row” you are in could be intuitive to people who learned to type conventionally. (The intuition here being that most of us aren’t going to become keyer experts).

mafik•2h ago
No, I didn't experiment with modes almost at all. I had one mode where I mapped the arrows to individual keys but in the end dint't use it - it's faster to enter a chord - especially chords for Ctrl+Arrows are nice.

For a time I made the mappings a little more memorable by forcing two related keys (like a and ą or o and ó) to have their chords differ in just one finger position - and that did work but it lowered the "efficiency estamates" of the generated layouts. In the end I reserved one thumb position for my custom shortcuts and allowed the optimizer to go crazy with all the remaining chords. After playing with both styles I prefer the latter. Entering text feels more a little fast-paced maze solving game where you have to figure out which fingers to move to transition between chords.

bee_rider•2h ago
Interesting. As a vim fan I think I would be very unhappy with any layout that didn’t have hjkl as my home position. But, of course, the ability to experiment is a huge strength of open source projects.

What a cool project. I grew up playing with modeling clay, but never did anything with those skills. It is fascinating to see them used in something useful like this.

Maybe a scanner of some sort is needed, to share 3D printable versions of clay objects, haha.

Gys•3h ago
Maybe record a short video with the hand typing in the foreground and a screen in the background. To give an idea of the typing effort and speed.
4b11b4•2h ago
yes one video pls
alanbernstein•3h ago
Cool! Did you consider using more compact keys and caps?
mafik•3h ago
No, but it's a great idea. For thumb I'm using a Ctrl-sized keycap - it has the perfect in width where I can avoid pressing the buttons on the sides. But for other fingers, the regular-sized switches and caps feel a little too widely spaced... Something 15% smaller than standard keycaps would be perfect.
stevenicr•3h ago
great job showing this, inspiring!

I want this not for typing all the letters and numbers, but just the keyboard shortcuts to play Empire Earth V4 VR

- until that fantasy materializes maybe enough typing for an Age of Empires type game without being stuck at a full keyboard,

something like this maybe the perfect in-between ps4 controller and full keyboard for many things.

yjftsjthsd-h•2h ago
I mean, a nice thing about DIY-ing it, you can just program it with whatever keys you want:) You could even have a layer for whatever game and a layer for full typing.
eprparadox•3h ago
awesome
major505•3h ago
I would love to see a video of this in action.
villgax•3h ago
I want a pen shaped gyroscopic mouse to use while watching/interacting with stuff through AR glasses, just needs to point click, right click & two buttons for custom keystrokes
mjparrott•2h ago
Check out this design: https://patents.google.com/patent/US20030179178A1/en
stronglikedan•2h ago
I wish they had called it the Mobile Text Entry Radio Device, or Mobile TERD for short. (Since it has a radio transmitter.)
blipvert•2h ago
Just don’t go introducing yourself as a one handed typist.
chrismorgan•2h ago
I had vague ideas, a few years ago, of integrating a keyboard into the handlebar of a recumbent tricycle (it would need to not interfere with braking, but there’s a fair bit of leeway left for useful design). Modelling clay had indeed not occurred to me! Nor had I realised how chorded keyboards could hook directly to GPIO pins. If I’d seen this back then, I probably would have gone ahead and prototyped something right away. Alas for this vision (though not alas in general!), I got married instead and my long-distance cycling days are behind me. But I’m still rather tempted to play with this, it looks fun and surprisingly straightforward, even if I can’t immediately see a good practical purpose in my life. Just last week I happened to see a box of epoxy modelling clay and wondered what it would be like to use… though I suspect it might harden too quickly for this.
jpm_sd•1h ago
Steve Roberts beat you to it, back in the 80s.

https://bikepacking.com/plog/steve-roberts-computing-across-...

More details, from the man himself:

https://microship.com/winnebiko-ii/

https://microship.com/bicycle-mobile-packeteering/

https://microship.com/first-text-while-driving/

https://microship.com/behemoth/

I think the craziest thing is that almost every feature he built into BEHEMOTH is now covered by the average smartphone (+ a small solar panel).

FullyFunctional•1h ago
Yes, but this is way beyond that IMO. Really lovely project that I of course must build
buttetsu•3m ago
I had never heard of Steve Roberts or these amazing bike projects. Reading up through the development of BEHEMOTH put an huge smile on my face, thank you. Such passion!
4b11b4•2h ago
- cost function for layouts?! awesome

- play doh

- IMU would be incredible

- less key version is good idea

TheJoeMan•2h ago
Add this to the list of “18650 cells being incorrectly used as removable batteries”. At this point the sale of those battery holders should be banned…
etskinner•2h ago
Why is that a problem? Potential for damage when exposed/changed? No battery protection?
datadrivenangel•1h ago
Potentially over discharging, which can reduce the life of the cells.
rlue•2h ago
Can you elaborate on or cite a source as to why this practice is incorrect? The Nitecore D4 battery charger supports recharging of this and other sizes of Li-ion batteries (in addition to NiMH), so I am skeptical that it is inherently dangerous.
mafik•1h ago
I guess an exposed battery is more susceptible to short circuit. Imagine you have this in your pocket while in a heavy rain. Battery could short circuit due to water creating conductive connection between battery terminals. It would heat up quickly an maybe even start burning. Still, I prefer 18650 to these flat, lasagna-type cells which swell and can be pierced by any sharp object. Even though the latter has built-in protection and the former doesn't.
dfc•1h ago
I imagine that OP is referring to batteries with no protection circuit and the positive and negative terminals of the batteries being exposed[1]. The Samsungs in the keyboard do in fact lack a protection circuit. I don't know if banning the sale of battery holders is going to be a great fix.

[1]: Something like this: https://www.cpsc.gov/Newsroom/News-Releases/2021/CPSC-Issues...

whycome•2h ago
I always wanted dual gloves like this so I could essentially tap on my legs while sitting down.
proee•1h ago
Great to see someone trying to innovate. It's surprising humans haven't come up with a better input method than an old school keyboard. Who would have thought that a typewriter from 1874 would still be so visible on a modern Macbook!

Surely, there has to be a better way.

jerezzprime•1h ago
I think it is a momentum problem. You learn to use a keyboard when you are young/inexperienced, because you need to learn something, and then learning something new is hard and slows you down, so you stick with what you know. It's doubly hard to both create a new layout and learn it.
FullyFunctional•1h ago
As I hate tapping on glass, mistyping non-stop, I’m always evaluating options. This is an awesome project and a great write up, but we want more! :) Please consider published a video so we might see it in action (also showing the build process would be appreciated).
rcarmo•1h ago
Cute. I use a Bluehand (https://taoofmac.com/space/blog/2023/08/08/1230) and have often thought it would be nice to not have to set it down someplace...
cat-whisperer•1h ago
love the design, it would be crazy if this becomes a thing!
cromulent•27m ago
Bravo! Apparently they are known as keyers.

https://en.wikipedia.org/wiki/Keyer#Computer_interface_keyer...

Edit: Circa 1980 when I was young and impressionable, my father's buddy had a WriteHander and since then I have loved this kind of thing.

http://ibnteo.klava.org/keyboard/writehander

goodpoint•16m ago
Bending fingers so much during use is bad for your tendons and ligaments.