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Show HN: LoKey Typer – A calm typing practice app with ambient soundscapes

https://mcp-tool-shop-org.github.io/LoKey-Typer/
1•mikeyfrilot•11s ago•0 comments

Long-Sought Proof Tames Some of Math's Unruliest Equations

https://www.quantamagazine.org/long-sought-proof-tames-some-of-maths-unruliest-equations-20260206/
1•asplake•1m ago•0 comments

Hacking the last Z80 computer – FOSDEM 2026 [video]

https://fosdem.org/2026/schedule/event/FEHLHY-hacking_the_last_z80_computer_ever_made/
1•michalpleban•1m ago•0 comments

Browser-use for Node.js v0.2.0: TS AI browser automation parity with PY v0.5.11

https://github.com/webllm/browser-use
1•unadlib•2m ago•0 comments

Michael Pollan Says Humanity Is About to Undergo a Revolutionary Change

https://www.nytimes.com/2026/02/07/magazine/michael-pollan-interview.html
1•mitchbob•2m ago•1 comments

Software Engineering Is Back

https://blog.alaindichiappari.dev/p/software-engineering-is-back
1•alainrk•3m ago•0 comments

Storyship: Turn Screen Recordings into Professional Demos

https://storyship.app/
1•JohnsonZou6523•4m ago•0 comments

Reputation Scores for GitHub Accounts

https://shkspr.mobi/blog/2026/02/reputation-scores-for-github-accounts/
1•edent•7m ago•0 comments

A BSOD for All Seasons – Send Bad News via a Kernel Panic

https://bsod-fas.pages.dev/
1•keepamovin•10m ago•0 comments

Show HN: I got tired of copy-pasting between Claude windows, so I built Orcha

https://orcha.nl
1•buildingwdavid•10m ago•0 comments

Omarchy First Impressions

https://brianlovin.com/writing/omarchy-first-impressions-CEEstJk
2•tosh•16m ago•0 comments

Reinforcement Learning from Human Feedback

https://arxiv.org/abs/2504.12501
2•onurkanbkrc•17m ago•0 comments

Show HN: Versor – The "Unbending" Paradigm for Geometric Deep Learning

https://github.com/Concode0/Versor
1•concode0•17m ago•1 comments

Show HN: HypothesisHub – An open API where AI agents collaborate on medical res

https://medresearch-ai.org/hypotheses-hub/
1•panossk•20m ago•0 comments

Big Tech vs. OpenClaw

https://www.jakequist.com/thoughts/big-tech-vs-openclaw/
1•headalgorithm•23m ago•0 comments

Anofox Forecast

https://anofox.com/docs/forecast/
1•marklit•23m ago•0 comments

Ask HN: How do you figure out where data lives across 100 microservices?

1•doodledood•23m ago•0 comments

Motus: A Unified Latent Action World Model

https://arxiv.org/abs/2512.13030
1•mnming•23m ago•0 comments

Rotten Tomatoes Desperately Claims 'Impossible' Rating for 'Melania' Is Real

https://www.thedailybeast.com/obsessed/rotten-tomatoes-desperately-claims-impossible-rating-for-m...
3•juujian•25m ago•2 comments

The protein denitrosylase SCoR2 regulates lipogenesis and fat storage [pdf]

https://www.science.org/doi/10.1126/scisignal.adv0660
1•thunderbong•27m ago•0 comments

Los Alamos Primer

https://blog.szczepan.org/blog/los-alamos-primer/
1•alkyon•29m ago•0 comments

NewASM Virtual Machine

https://github.com/bracesoftware/newasm
2•DEntisT_•31m ago•0 comments

Terminal-Bench 2.0 Leaderboard

https://www.tbench.ai/leaderboard/terminal-bench/2.0
2•tosh•32m ago•0 comments

I vibe coded a BBS bank with a real working ledger

https://mini-ledger.exe.xyz/
1•simonvc•32m ago•1 comments

The Path to Mojo 1.0

https://www.modular.com/blog/the-path-to-mojo-1-0
1•tosh•35m ago•0 comments

Show HN: I'm 75, building an OSS Virtual Protest Protocol for digital activism

https://github.com/voice-of-japan/Virtual-Protest-Protocol/blob/main/README.md
5•sakanakana00•38m ago•1 comments

Show HN: I built Divvy to split restaurant bills from a photo

https://divvyai.app/
3•pieterdy•40m ago•0 comments

Hot Reloading in Rust? Subsecond and Dioxus to the Rescue

https://codethoughts.io/posts/2026-02-07-rust-hot-reloading/
3•Tehnix•41m ago•1 comments

Skim – vibe review your PRs

https://github.com/Haizzz/skim
2•haizzz•43m ago•1 comments

Show HN: Open-source AI assistant for interview reasoning

https://github.com/evinjohnn/natively-cluely-ai-assistant
4•Nive11•43m ago•6 comments
Open in hackernews

I invited strangers to message me through a receipt printer

https://aschmelyun.com/blog/i-invited-strangers-to-message-me-through-a-receipt-printer/
297•chrisdemarco•3mo ago

Comments

ge96•3mo ago
I wonder if you can see what was sent by others
aschmelyun•3mo ago
They’re being stored redundantly on a sqlite db. I’ll think about adding some kind of feed to the page if others are interested.

I don’t know, I kind of like having a place for some people to anonymously vent (as more than a few have).

xandrius•3mo ago
I'd love to see others!
toomuchtodo•3mo ago
Consider a checkbox whether to be anonymous, which you can filter the feed with.
bstsb•3mo ago
saw this project on TikTok when it went viral, love both the concept and implementation. the creator could easily overengineer something simple like this, but looks like the Pi stands up well with high load.

the only problem i had with the site itself was actually accessing it - TikTok doesn't "do" links so i kept having to check if i'd spelt their name right!

ben-gy•3mo ago
That’s awesome - I did a similar thing recently by replacing my sticky notes with receipts - https://github.com/ben-gy/thermalnotes
toomuchtodo•3mo ago
I love all of the HN receipt printer posts, keep them coming please. There is something delightful in this analog experience.

https://hn.algolia.com/?dateRange=all&page=0&prefix=false&qu...

(if you build yourself, source non-phenol [made without BPA/BPS] thermal paper rolls)

MomsAVoxell•3mo ago
Yes, the use case of receipt printers is really intriguing .. (https://news.ycombinator.com/item?id=45698598) .. I find myself wondering what other simple micro-printing things might be worth the effort. The offline nature, the anonymity of the reader - this makes it an appealing media, suddenly, in the storm of digital life.

In my case, I will probably try to use my receipt printer as a zine production line. The nature of the format inspires some great article writing ..

toomuchtodo•3mo ago
Something to note is the impermanence of the final product, as thermal paper does not have longevity (only ~1 year). I have not found a similar solution (printer + media with a similar form factor) where the print lasts longer, so open to suggestions for such use cases. I suppose in the short term, including a QR code in the print job that links to a perma/deep link online might work from a publishing perspective for bookmarking purposes.
derwiki•3mo ago
I really have fallen for impermanent art. I display slide/color positive film on my windows. Yup they will fade and that’s totally ok.
NemoNobody•3mo ago
Huh, that's very interesting. I've always considered Art to be timeless, bc it is, all of it. Davinci did a lot of cool stuff but the Mona Lisa made him the most famous person and I really don't see that changing. I have a painting hanging over my head rn whose artist died in the 1680s - the painting is over 100 years older than the Declaration of Independence and was brought over here on a ship with sails that took forever.

Impermanent art. That just bothers me.

An artist that dedicates their life to such a thing is like swimming in the fountain of youth without ever taking a drink.

NemoNobody•3mo ago
Huh, that's very interesting. I've always considered Art to be timeless, bc it is, all of it. Davinci did a lot of cool stuff but the Mona Lisa made him the most famous person and I really don't see that changing. I have a painting hanging over my head rn whose artist died in the 1680s - the painting is over 100 years older than the Declaration of Independence and was brought over here on a ship with sails that took forever.

Impermanent art. That just bothers me.

An artist that dedicates their life to such a thing is like swimming in the fountain of youth without ever taking a drink.

DANmode•3mo ago
Most humans literally do that last part.
derwiki•3mo ago
Impermanent art is a big part of that Black Rock Desert thing they do at the end of August.
b0rbb•3mo ago
There was a REALLY cool project by the design firm Berg in the UK about ~13 years ago. Cute little thermal printer with online services that allowed you to have scheduled printouts of things like weather reports, horoscopes, etc.

And... oh my goodness, I was looking for pictures of it and it turns out some kind person decided to put work in on having a way to do onprem services for it! [Check it out here](https://nordprojects.co/projects/littleprinters/)

aosaigh•3mo ago
I remember wanting the Berg printer but it was crazy expensive
fragmede•3mo ago
Yeah we unfortunately are spoiled with mass manufacturing. If they'd been popular enough for them to make a million Berg printers, the price would have been more in line with what we expect.
dylan604•3mo ago
I know someone that this would be perfect for, but sadly too niche to have survived. It's a neat idea being able to get little "tickets" for various daily tasks for those that do better with those types of things compared to using a digital calendar
xp84•3mo ago
In the related world of task management at work, this reminds me of Walt Disney World’s “Cast Deployment System.” 20 years ago, it worked entirely on desktop PCs connected to standard thermal receipt printers. It would print and cut a little slip when you clocked in, showing you who to bump and where, and you’d hand the slip to them, because it also had printed where that person should go (their break timing, or to return to PC themselves). If they didn’t need you to assume a position just yet, it would give you a task to perform - e.g. “straighten plush in Store X until 9:08” or “sweep floor in Store Y until 9:10” - thus ensuring certain tasks got done on a regular basis without it being something a manager would have to constantly monitor. All of this was like science fiction to me in those days compared to anything else I’d witnessed in the entry-level service sector.

Note: no idea how it has evolved over the years but I’m sure “something something app” sums it up

wackget•3mo ago
> The team at Berg invested a lot of time developing the visual language and aesthetics of Little Printer, across the physical device and their web service.

Shame they didn't bother to invest any time in making sure their expensive devices wouldn't end up as paperweights. Seriously, it's infuriating that they were lauded for the creativity of this project but it's fallen to hobbyists and volunteers to engineer an entire suite of software to make this dead hardware work again, just because the initial developers were either too lazy, too shortsighted, or too restricted by bean-counters to develop open source (or at least self-hostable) software for these machines. You can't even change the server address of these things without hardware flashing and risking bricking your hub.

foresto•3mo ago
I wonder if the author is aware of the health effects of handling thermal paper.

https://pmc.ncbi.nlm.nih.gov/articles/PMC5453537/

hagbard_c•3mo ago
I suspect the author, like nearly all of us here will get more exposure to BPA from handling supermarket (etc.) receipts than from this gimmick.
SoftTalker•3mo ago
I typically decline those.

Thermal paper was widely used for fax machines and portable printers years back as well.

aschmelyun•3mo ago
Worse: I worked in grocery stores for years as a cashier lol
ryukoposting•3mo ago
I'm pretty sure I ate some as a bet in high school.
SoftTalker•3mo ago
I did too but the printers were still dot matrix with ink ribbons then.
Wistar•3mo ago
I rarely see thermal printers at grocery checkouts. Almost all that I see are ink.
xp84•3mo ago
What country is this? I haven’t seen a dot matrix printer at a store in a decade.

Fun fact: when Apple first opened retail stores, they printed receipts on big Lexmark laser printers, 8.5x11, on VERY nice paper, like resume paper, it was absurd how nice and thick the paper was. It was preprinted with return policies etc on the back (and maybe a color Apple on the front?) It only lasted a few years like that and they eventually got cheap thermal printers installed.

Wistar•3mo ago
In the US. Maybe I am wrong but I see what appear to me to be multicolor ink jet POP printers. I see matrix in restaurants and shops and they are distinct as they are slow and noisy.
flobosg•3mo ago
BPA/BPS-free thermal paper exists; both chemicals are banned in the EU.
jodrellblank•3mo ago
> be me

> live in city

> breathe vehicle exhaust and tire dust everyday

> drink alcohol

> drive to my desk job

> live on ultra processed food

> salt and sugar for a treat

> better not touch this piece of paper - for my health

> open another Monster energy drink (tm). I can sleep when I’m dead.

__turbobrew__•3mo ago
Pretty much. Same thing with microplastics: sure it may be bad for you, but the average modern lifestyle includes so many other things that we know are much worse (smoking, drinking, factory food, sedentary, soda, …)
xp84•3mo ago
When California mandated prop 65 warnings to be posted in every single parking garage in the state, that’s when I decided we’ve truly jumped the shark. These giant signs on every garage are now admonishing us to be careful not to spend any time in these garages because of the so dangerous fumes. I want to add on to it in sharpie: “Also, stay at least 200 feet away from any road, street or highway, so just basically go camp in the fucking woods for the rest of your life!”
odysseus•3mo ago
Anyone know where you can buy the wall map shown on the page?
jer0me•3mo ago
It looks like this one from National Geographic: https://www.natgeomaps.com/re-world-decorator
qwertox•3mo ago
That is a good map. So many recognizable names. Not that I'd recognize many, but those which I've searched for, they were present.
aschmelyun•3mo ago
That’s the one! Got it from a local B+N.
bigbuppo•3mo ago
I did that once. Spammers found it within 15 minutes.
whynotminot•3mo ago
Were you getting random text? Or actual targeted spam?

For some reason I find it really funny to potentially be getting printed out adverts for shady boner pills or singles near you.

bigbuppo•3mo ago
It wasn't targeted. Mostly they were trying to exploit confirmation/bounceback spam as the form accepted an email address. The spammers never got beyond probing the system. I would get one or two messages at a time. They realized it wasn't actually sending email out and then go elsewhere until the next spammer came along. The system didn't actually mail anything. It dropped it into a rabbitmq broker running at the colo, which then shoveled that back to the house where it eventually printed on a dot matrix printer.

Originally planned to use a proper teleprinter, except mine is designed to sit in the the cramped racks of missile silos, so it has a rather obnoxious fan in it. It's also fully electronic and uses a dot matrix mechanism rather than something more fun. It's only redeeming quality is the VFD for message composition.

ok_dad•3mo ago
This is really cool! I sent you an (hopefully) uplifting message for the week’s end. I know I shouldn’t but I really want to buy a receipt printer now!
derwiki•3mo ago
They are well within the impulse buy zone, and it’s really easy to programmatically use with Python. Do it!
MomsAVoxell•3mo ago
I have a clockworkPi dev console which has the built-in printer, and it has always been a 'quaint' accessory, but lately I have been looking at it with glee and wondering what strange and fruitful things I could do with it .. the first is of course a zine, for which it is the perfect printing device .. just carry it with me, print out this months issue, stable the whole sizzle together and duct-tape it in some random loo somewhere, as deserves all good zine format ..

So, yeah, there could also be a window of opportunity by which other readers of the zine could send their own message to be included in the distribution channel (i.e. the bog roll) and things could propagate.

Well, I guess the point is, that suddenly I think that receipt printers are really the only printer I want to deal with, ultimately. I've gotta stock up on rolls.

codazoda•3mo ago
I love zine’s. There are tens of us. :)
James_K•3mo ago
His printer prolly blowing up right now.
qwertox•3mo ago
Wasn't there someone who had printers connected to the internet and a live video stream of the printers printing the messages?
brightbeige•3mo ago
This one? https://signalvnoise.com/svn3/the-making-of-a-dumpster-fire/
wonger_•3mo ago
Good Enough did something similar: https://guestbook.goodenough.us/
joshu•3mo ago
receipt printers are a blast. at one point i was livestreaming chatgpt talking to humans via a printer: https://www.instagram.com/p/Cr04ofLsxtl/

at the time, the openai API and the printer max speed capped out at roughly the same time and would use up an entire roll in ~ 10 minutes. if you didn't wind the paper back up it would fill a whole garbage bag.

intheitmines•3mo ago
If you do this be sure to buy BPA free receipt paper

Handling receipt paper is what turned out to be the cause of the high BPA numbers when boba tea was tested https://x.com/natfriedman/status/1899641377002025252

aschmelyun•3mo ago
I did! I also use gloves when handling a large amount of the receipts.

I worked as a cashier for years in my teens and twenties though, so it’s probably already in my blood.

NewJazz•3mo ago
I mean, over time it would exit right?
Ultimatt•3mo ago
It lingers in fat tissue and once at a low enough level your liver doesn't really clear it. But that kind of level isn't necessarily linked to increased risks of diabetes or heart disease.
thousand_nights•3mo ago
this one time when i was young and dumb and into smoking weed, i remember running out of rolling paper so i rolled a joint using a supermarket receipt i had and smoked it

this was like 20 years ago, still makes me shudder after i learned about the BPA stuff

cluckindan•3mo ago
Fun fact, that extremely thin paper used in bibles is usually hemp paper.
vscode-rest•3mo ago
Genesis 1:29, anyone?
abdusco•3mo ago
It's Genesis 4:20, you silly
trenchpilgrim•3mo ago
A few years ago my friend's mother started using medical marijuana for pain management. My friend had to explain that no, you should not make a pipe out of a coke can because of the plastic liner, go to a head shop and buy a glass pipe like a normal person!
CaptainOfCoit•3mo ago
> you should not make a pipe out of a coke can because of the plastic liner

I'm fairly sure it doesn't make much of an health impact considering the hot smoke you pull into your lung, but when I was kid and we made pipes out of cans in "emergencies" we'd use the outside of the can as where you put anything with fire, you don't have to turn it inside out to be able to smoke out of it.

brailsafe•3mo ago
> we'd use the outside of the can as where you put anything with fire, you don't have to turn it inside out to be able to smoke out of it.

This is what I pictured, but now I'm curious how you'd use the inside of the can.

CaptainOfCoit•3mo ago
Some stoner-engineering could hook up two cans with each other, one is the cup you use for burning the material and the other one the "water-passageway". Obviously not recommended as there is plastic liner on the inside, but in that way you could use the inside :) Basically a bong in two pieces made out of two cans.
brailsafe•3mo ago
genius
trenchpilgrim•3mo ago
Heating up plastic gives off all kinds of really nasty organic compounds, far worse than the drug... doesn't need to be direct flame.
CaptainOfCoit•3mo ago
You win some, you lose some :shrug:
cenamus•3mo ago
Heating plant material also gives off lots of carcinogenic stuff, tar and so on
trenchpilgrim•3mo ago
Cheeseburgers are bad for you, but you shouldn't put motor oil on your cheeseburger...
userbinator•3mo ago
The products of combustion you inhaled are likely far worse.
brailsafe•3mo ago
I mean... the weed was going to get smoked, it was definitely the receipt that was the foreign invader here.
scotty79•3mo ago
The fact that you did something intentionally doesn't automatically make it less of a mistake.
brailsafe•3mo ago
Yes it does
scotty79•3mo ago
No it doesn't. Worst mistakes are usually the ones when somebody does intentionally something that seemed like a good idea at the time.
wilted-iris•3mo ago
Any recommendations on where to source BPA-free thermal paper? I've tried to source BPA free shipping labels in the US and found them unobtainable.
contrarian1234•3mo ago
https://en.wikipedia.org/wiki/Bisphenol_A#Health_effects_and...

"In the 2010s public health agencies in the EU,[81][82][83] US,[84][85] Canada,[86] Australia[87] and Japan as well as the WHO[12] all reviewed the health risks of BPA, and found normal exposure to be below the level currently associated with risk."

If it has some health effects, they've been incredibly hard to actually pin down..

hellcow•3mo ago
“Normal exposure” is doing some heavy lifting in that sentence. Presumably having all your daily texts arrive on such paper wouldn’t be “normal exposure,” which if I recall correctly is handling a receipt for a few seconds a day with only your fingertips.
fgbarben•3mo ago
You do know that BPA-free just means they use BPS or some other bisphenol plasticizer, right? Right? Because all of the research was focused on BPA and nobody tested BPS even though they're quite similar chemically.

You just can't polymerize plastics without a plasticizer. It's just not allowed by chemistry. No free lunch.

If you want something that's not going to leach huge amounts of plasticizers onto your fingers, use an inkjet or a laser toner printer or a laser marking machine.

They don't really make those for receipts, though, because fingers tend to be wet and powdered toner is expensive.

MrGilbert•3mo ago
There are alternatives like Blue4est available, though. They don’t use bisphenol or other chemical developers.
ThePowerOfFuet•3mo ago
https://xcancel.com/natfriedman/status/1899641377002025252
why_at•3mo ago
I'm surprised they didn't mention anything about preventing spam. The biggest thing that deters me from doing something like this is the idea that not long after I opened it up it would get hammered by bots so much that it would make the whole thing unusable.
aschmelyun•3mo ago
Hey it’s me, the author! That was intentional as I honestly enjoy the trolling.

There’s a basic rate limiter set up to prevent misuse, and a character limit, but beyond that I just kind of wanted to see what people would send.

It’s been surprisingly chill, and I’ve only had to handle a few nonsensical text dumps or garbage messages.

codazoda•3mo ago
How does the rate limiter work? IP?

Maybe tangential, but I just added a little 3-second delay to my stats counter. I’ll find out if that worked for the specific bots I’m trying to avoid in a couple days.

I might have to do this with my printer the Raspberry Pi 400 in my bedroom.

Animats•3mo ago
Somebody did that back in the 1980s. They put a small printer into a phone that had the same form factor as a Western Electric model 500.[1] This connected to a PBX and printed "While you were out" slips. It was a real product, but did not catch on. Anyone remember that thing? I saw ads, but never one in person.

[1] https://en.wikipedia.org/wiki/Model_500_telephone

aschmelyun•3mo ago
I have a rotary phone, a voip adapter, and have been writing a local SIP server for another experiment. I am insanely tempted to replicate this.
derwiki•3mo ago
Which rotary? Classic AT&T?
Animats•3mo ago
Why not, as a fun thing?

The problem with a production product is refilling all those little rolls of printer paper. They will always run out when no one is available to answer the phone, of course.

kristopolous•3mo ago
I've fantasized about fax phone banks for artists to send things out periodically.

The idea of a machine unexpectedly popping out a sheet of paper has gone from "this is all spam" to delightful again.

Physical items in a physical space whereby you call a place and not a person.

We've digitally moved from spaces to individuals and I think that's the main critique of the modern web: somehow networked ourselves but abandoned the networking of ourselves.

You could even do it all digitally somehow and just hook it up to a modern network printer. Whitelisted senders get printed while unrecognized ones enter a digital backlog.

The real desire is to explore the psuedo anonymous nature of the early web in a way that is robust to abuse.

wholinator2•3mo ago
I think the key point that would make this delightful is the whitelist. Lord knows the moment its opened up it'll be spammed with the worst things bored teenagers can find.
ianbicking•3mo ago
I have wanted to do experiments with a receipt printer hooked up to a Raspberry Pi, with some simple controls... but every time I look up the cost of the printer I balk. It's probably not fair, but I guess in my head it feels like they should be cheaper. Or at least the cost then makes me question how much time I'm really ready to put into stuff like debugging the printer drivers and putting together a case, etc etc.

The thing I actually want to play with is probably some kind of board game that incorporates the printer... ideally with bar/QR codes so the computer can print out money, IOUs, instructions, etc., and have this computer mediation that still gives people physical items to manipulate.

aschmelyun•3mo ago
While not an outright solution to the fact that they _are_ expensive, if you don't care about them being second hand or a little older you can score a pretty good deal on sites like eBay.

For instance, TM-T88V printers can do more but cost around 3x as much as the one I got, a TM-T88IV which is the older version. Not perfect, but beats the like $200 price tag brand new.

derwiki•3mo ago
You can pick up a Rongta for $75 brand new
7839284023•3mo ago
I recently bought a thermal ESC/POS printer for 25 Euros on Aliexpress but I saw the sames ones for 30 Euro on Amazon.

I connected it to my linux server and without any drivers I can print with e.g.: `echo "Hello World!" >> /dev/usb/lp0`.

It also supports bar/QR codes.

leobg•3mo ago
You have a make/model/link?
7839284023•3mo ago
Sure: https://de.aliexpress.com/item/1005006625823799.html
ValdikSS•3mo ago
I wrote a CUPS (Linux) printer driver for Xiqi cheap ($10) Chinese label printers if anyone interested

https://github.com/ValdikSS/printer-driver-funnyprint

I use it to print barcodes, and it's very handy compared to serious enterprise printers: it's lightweight, battery-powered, and works over Bluetooth.

demetrius•3mo ago
Russian writer Leonid Kaganov had this idea back in 2021, with an added twist that he also put the printer in his bathroom: https://lleo.me/dnevnik/2021/11/30
hshdhdhehd•3mo ago
Doesn't know his 3 shells
kleinishere•3mo ago
For the many posters recommending BPA free paper - does anyone have suggestions / a link for a reliable seller?

I looked on Amazon after another receipt printer post on HN but couldn’t find anything that provided confidence in the BPA characterization. ULINE is quantities are absurd for personal use. Imagine their most be a decent alternative but never see any named.

toomuchtodo•3mo ago
https://www.pca.state.mn.us/business-with-us/bpa-and-bps-in-...

(scroll to "Use alternative receipt paper": "Companies that offer phenol-free alternatives")

kleinishere•3mo ago
Phenomenal. Thank you.
fukka42•3mo ago
(US-only)
toomuchtodo•3mo ago
Where do you need it outside the US? I will attempt to source.
vayup•3mo ago
I read the title as "massage me", and was very confused for a few seconds.
jader201•3mo ago
Glad I wasn’t the only one.

But knowing the things that pop up on HN, something like remotely massaging someone via a receipt printer is totally believable.

I’m actually hoping someone reads this and creates a remote massaging receipt printer.

maxrev17•3mo ago
We did this at uni - hpmprinter on twitter and it was on GitHub as twinter :)
maxrev17•3mo ago
https://github.com/revitteth/twinter
DrawTR•3mo ago
I've wanted to make a project w/ a receipt printer for a little bit now. Does anyone have any good suggestions for printer models?
liqilin1567•3mo ago
It's kind of nostalgic and make me curious: Were there many magical things like this in the early internet days.
a_t48•3mo ago
My wife has a little thermal camera (Vivitar Instant Camera) that she takes to parties and events. The picture/print quality is a bit better than a gameboy camera, certainly not HD, but also fractions of a cent per picture rather than a dollar like you'd pay for a Polaroid. Fun stuff.
jopsen•3mo ago
I bought some for my nephews (age 3-4), it's a lot of fun, because it's instant physical feedback.

Also if you buy a pack of BPA-free paper rolls, you get a crazy amount of pictures for $20. Granted you'll have to re-roll them into smaller rolls to fit the camera.

dudeinjapan•3mo ago
For those interested I open-sourced library in Ruby which does thermal printing: https://github.com/tablecheck/thermal/

Among other things it has very broad printer support and Chinese-Japanese-Korean character support (requires purchasing a model with the chars preloaded). It's still under active development but it references the PHP library the author mentions. This lib is actually used in a many restaurants in Asia.

bwoodward•3mo ago
I'd love to have an impact receipt printer for this so I don't have to source thermal paper etc.

They aren't difficult to find, but they're too expensive for a stupid project like this, which is a glorified fax machine.

cartoonworld•3mo ago
Maybe the fax machine is a glorified receipt printer?
haruka_ff•3mo ago
I have a Star Micronics receipt printer and have a similar setup, and when people in my community used it, it was fun.

And the issue is that, it's only fun as long as you have people using it...

I did write a StarPRNT protocol library for it, but in hindsight, I probably should have used ESC/POS instead.

chwonl•3mo ago
Very cool
igtztorrero•3mo ago
Message sent from igtztorrero wonderful day
djhworld•3mo ago
There's something quite pleasing about writing a message and living, at least, with the thought of it causing some physical action (printing) in the real world. I mean, for all we know Andrew probably ran out of printer paper hours ago so the message has gone into the ether, but it's nice to think it happened at least!