Reparaible and open source paper printer

https://www.opentools.studio/web/image/1446-c6a72ae3/DSC_6236.webp
Openprinter is a compact, fully repairable printer with refillable ink and versatile paper options. It's open source, adaptable, and eco-friendly with low costs and easy maintenance.

Organic Maps

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Organic Maps is a free, ad-free, offline GPS app for various activities, powered by OpenStreetMap data. It's developed by the open-source community with support from grants and donations.

New AI tutor achieves 0.71-1.30 SD effect size in Dartmouth course [pdf]

Phosphor, a digital learning platform, increased final exam performance by 0.71-1.30 SD in Introductory Statistics at Dartmouth College. Full engagement with Phosphor showed a substantial cumulative benefit, with students who passed all three Module Reviews scoring 7.1 points higher on the final exam.

The future of Flipper Zero development

https://blog.flipper.net/content/images/size/w100/2020/10/9a8180b4-80fa-4c50-9e83-bee59e3bc348-1.png
The Flipper Zero team has decided to allocate resources to maintain the firmware and support community contributions. They will review community requests through GitHub Discussions, with voting for feature requests and stricter contribution rules.

Starring the Computer

• commodore 64 • 23 (1998) • airwolf - season 2, episode 3, "moffett's ghost' (1984) • alien: romulus (2024) as the world turns – episode 19890928 (1989). ashes to ashens (2008) • altamont now (2009) • being erica (season 1, episode 1) • dr. robot — season 4, episode 3 '403 for

Mr. Baby Paint and accidentally discovering a new cellular automata

https://tekstien-marginaalien-keskus.aalto.fi/residenssi/heikki/blog/004-december-2/mspaint.webp
The user created a drawing app called Mr. Baby Paint for toddlers to encourage creative play and designed it with a co-op approach for parents and toddlers to work together. The app features a simple interface, rewarding actions, and a flood fill based cellular automata that creates organic patterns when used in a specific way.

Dungeon Proof Crawler: learn how to write proofs with RPG

A browser roguelike where every monster is an Algae proof. Recover Miriam's ring before sunrise.

Pint in England

https://dispatch-media.com/content/images/size/w1200/2026/06/1.jpg
The first thing you see when you exit the station at Burton is the little glimmering tip of a cooling chimney from one of the breweries. Is it a working brewery, or just some leftover infrastructure from the time when Burton was Britain’s beating beer heart? It is hard, really, to ever know. Walk around Burton and everything is named after beer: Cooper this, Brewer that. There are brass studs ...

It's not about physical vs. digital games, it's about ownership

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PlayStation's decision to stop producing disks for new games is about killing ownership and limiting consumer rights. This move will make it harder for people to trade, sell, and preserve games.

Completing a Computer Science Degree on Coursera

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In September 2022, I impulsively signed up for a Bachelor's Degree in Computer Science after seeing an ad for it on Coursera. Getting a degree had been on my mind for quite some time, after a long career without one, but I wasn't sure how to go about it. And now, about 3 years and 9 months later (with the last 3 of those months spent waiting for my results), I've finally completed ...

Introduction to Compilers and Language Design (2021)

This is a free online textbook on compiler construction by Prof. Douglas Thain, suitable for undergraduate students with C programming experience. The book offers a one semester introduction to building a simple compiler for a C-like language.

Run Windows 2000 on a DEC Alpha with a new es40 fork

https://raymii.org/s/inc/img/94c83ce76d8b4e73a02aff9e936b28d1.png
A new fork of the es40 alpha emulator, AXPBox, has been released with improved features. It allows running Windows 2000 on the DEC Alpha with massive speedups due to a JIT compiler.

We Always Leave Things Unfinished

https://substackcdn.com/image/fetch/$s_!0VEQ!,w_5760,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc0f76d76-aff5-4f92-bb36-9adf1a8b2bad_3019x1700.jpeg
William Vollmann, a renowned author, shares his experiences and thoughts on writing, politics, and life, including his struggles with cancer and his views on Donald Trump. Vollmann discusses his new novel, A Table for Fortune, and his past works, including his septology Seven Dreams, while also reflecting on his personal life and relationships.

Installing A/UX 1.1 like it's the 90s

https://thomasw.dev/assets/posts/aux11/1.png
The user successfully installed A/UX 1.1 on a Macintosh IIx emulator called Snow, overcoming several bugs and hardware emulation issues. A/UX 1.1 has a UNIX-y interface and allows running some graphical Toolbox applications, but lacks a full graphical interface like A/UX 3.x.

Y Combinator.singles

https://www.ycombinator.singles/cast/frog-business.jpg
dreaming you peed means the batch is still calling you. you just answered in the wrong room. it means your soulmate is currently raising a seed round. you will meet them at a hackathon. you will argue about equity split on the first date. if you peed on gold, money is coming. if you peed on your laptop, that is not symbolism. that is an incident report. if the stream would not stop, that is ...

Show HN: Osint tool that finds exposed files on domains

Search observed domains for exposed paths and misconfigurations. Substring search over the domain, case-insensitive, at least 3 characters. E.g. staging., .org, test-.

The great blogging collapse: What happened to 100 successful blogs?

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A study of 100 blogs found that 2/3 lost 85% of their traffic after Google's Helpful Content Update and AI Overviews became prevalent. Only 21 blogs grew, sharing traits of experiential content, owned audience, and real product, while summarizable content failed to recover.

You need a webring

A webring is a circular linked list of websites with a shared topic, allowing users to navigate between sites. It can be set up using a JSON file and routes like /prev and /next to auto navigate between sites.

Papa Johns Can Predict When Your Fridge Is Empty

https://www.adexchanger.com/wp-content/uploads/2021/10/I-Want-My-CTV-1024x920.jpg
Papa Johns partnered with NBCUniversal and Instacart to target hungry consumers with ads on streaming content based on their grocery shopping habits. The campaign aims to increase order growth, brand affinity, and customer acquisition by serving tailored ads to consumers with empty fridges.

Dependencies should be fetched directly from VCS

I’ve been writing Ruby at my new $dayjob in the last month. After spending most of the last decade writing Go it’s been a fun change of scenery. I did Ruby before (years ago) and I can’t really tell you which is “better” – Ruby is very different from Go in almost every respect and I find both quite effective in getting stuff done in their own way. One aspect where I do feel Go is clearly ...

Cursed circuits #5: capacitance multiplier

https://substackcdn.com/image/fetch/$s_!KgX0!,w_140,h_140,c_fill,f_auto,q_auto:good,fl_progressive:steep,g_auto/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa9f1a08a-adcb-4f54-b52f-be66857c0cbe_600x429.jpeg
Electronic circuit theory is a frequent theme on this blog. As a part of this sorta-curriculum, I published a number of articles about operational amplifiers. I keep coming back to this topic for two reasons. First, I think these components are usually explained poorly, making them a major stumbling block for folks trying to learn the craft. Second, op-amps have gotten really good, ...

How the first solo-founder unicorn gets built

https://www.thisandthat.chat/images/blog/how-the-first-solo-founder-unicorn-gets-built.png
essay An old fish swims past two younger ones and nods. “Morning, boys. How’s the water?” The two swim on, and after a while one of them looks at the other and asks, “What the hell is water?” David Foster Wallace told that story in his 2005 commencement speech at Kenyon College, later published as This Is Water. His point was that the most obvious, important realities are often the hardest ...

Airplane Boneyards List and Map

https://airplaneboneyards.com/images/walnut-ridge/walnut-ridge-aircraft-boneyard-store-post-wwii-sm.jpg
The United States and other countries have airplane boneyards where surplus aircraft are stored, maintained, and scrapped, with facilities in Arizona, California, and New Mexico. These boneyards serve as temporary storage, maintenance, and parts reclamation sites for commercial airliners and military aircraft, with some facilities also offering tours.

Small Penis Rule

The small penis rule is an informal strategy to avoid libel lawsuits by making a character's genitalia unrecognizable. However, its effectiveness is disputed as it may be seen as defamatory and could deter legal action.

Jim Keller's startup is building a factory to mass-produce small chip fabs

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Fab2, a semiconductor tooling startup, has rebranded and moved its operations to Texas, focusing on mass-producing small fabs and prototyping speed. The company aims to distribute production across many small, replicable fabs, contrasting with Tesla's Terafab, a massive manufacturing campus.

Why DMARC's new "NP" tag can fail with DNSSEC

https://dmarcwise.io/_app/immutable/assets/gdpr-logo.DDzeyzED.png
The DMARC np tag is not always working as expected due to a clash between the DMARC specification and the Compact Denial of Existence in DNSSEC specification, affecting domains using DNSSEC with major DNS providers. DMARC implementations can choose to deviate from the DMARC RFC or ensure that NXDOMAIN restoration and the CO flag are consistently supported and used in the DNS resolution ...

Optimizing an algorithm that's quadratic by design

https://whatchord.earthmanmuons.com/images/homepage_social.jpg
WhatChord is an app that identifies chords in real time, using a ranking algorithm to list plausible interpretations of a voicing. The app's ranking algorithm was optimized to reduce time complexity, resulting in an 86.7% reduction in uncached ranking time.

Trouble Transitioning (2025)

https://www.lrb.co.uk/storage/social_image/images/9/5/7/2/30472759-1-eng-GB/9e6caa030cb1-tooze-hp.jpg
A​ of containing the escalating climate crisis depends on getting to net zero, which will mean cutting greenhouse gas emissions drastically in the next few decades. Coal, gas and oil will have to be replaced with clean energy sources. In the language of climate policy, this is known as the green energy transition and is often presented as the latest in a series of transitions that have shaped ...

OpenWiki: CLI that writes and maintains agent documentation for your codebase

https://raw.githubusercontent.com/langchain-ai/openwiki/main/static/openwiki.png
OpenWiki is a CLI that generates and updates codebase documentation for agents. It integrates with GitHub actions and supports various inference providers like OpenRouter and OpenAI.

EU Council forces Chat Control via fast-track

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EU Council pushes for reactivation of voluntary chat monitoring regulation, despite Parliament's resistance. The move aims to close a legal loophole and increase pressure on MEPs to approve the measure before the summer break.