Show HN: I designed my own 3D printer motherboard
The Cheetah MX4 Mini is a fully open source, powerful, yet affordable 3D printer motherboard! At just 80x90mm wide, it’s an extremely compact motherboard with many cool features! This is one of the first PCB’s I’ve ever created, so it might have some flaws. Custom Features 4 TMC stepstick drivers that support UART and SPI […]
Infisical (YC W23) Is Hiring Engineers to Build the Modern OSS Security Stack
Infisical is looking to hire exceptional talent to join our teams in building the open source security infrastructure stack for the AI era. We’re building a generational company with a world-class engineering team. This isn’t a place to coast — but if you want to grow fast, take ownership, and solve tough problems, you’ll be […]
4B If Statements
I recently stumbled upon this screenshot while researching social media on the train. Of course, it was followed by a cascade of spiteful comments, criticizing this fresh programmer’s attempt to solve a classical problem in computer science. The modulus operation. Now, in a world where AI is replacing programmers by the minute, taking their jobs […]
HTML as an Accessible Format for Papers
Accessibility barriers in research are not new, but they are urgent. The message we have heard from our community is that arXiv can have the most impact in the shortest time by offering HTML papers alongside the existing PDF. arXiv has successfully launched papers in HTML format. We are gradually backfilling HTML for arXiv’s corpus […]
Make images smaller using best-in-class codecs, right in the browser
Squoosh is an image compression web app that reduces image sizes through numerous formats. Squoosh does not send your image to a server. All image compression processes locally. However, Squoosh utilizes Google Analytics to collect the following: Basic visitor data. The before and after image size value. If Squoosh PWA, the type of Squoosh installation. […]
Tiny Core Linux: a 23 MB Linux distro with graphical desktop
Welcome to The Core Project – Tiny Core Linux The Core Project is a highly modular based system with community build extensions. It starts with a recent Linux kernel, vmlinuz, and our root filesystem and start-up scripts packaged with a basic set of kernel modules in core.gz. Core (11MB) is simply the kernel + core.gz […]
Touching the Elephant – TPUs
Understanding the Tensor Processing Unit Reed December 1, 2025 Something New There is mythological reverence for Google’s Tensor Processing Unit. While the world presently watches NVIDIA’s gravity drag more companies into its orbit, there sits Google, imperial and singular. Lots of companies participate in the “Cambrian-style explosion of new-interesting accelerators”[14] – Groq, Amazon, and Tenstorrent come […]
’Life being stressful is not an illness’ – GPs on mental health over-diagnosis
3 hours ago ShareSave Catherine Burns,Health correspondent, Vicki Loader,Health producerand Harriet Agerholm ShareSave Getty Images Hundreds of GPs across England have told the BBC they think mental health problems are being over-diagnosed. One commonly-held view by family doctors, our research suggests, is that society tends to over-medicalise normal life stresses. But they’re also concerned about […]
Cryptids
Lovecraftian Beaver fan art made by Lauren Cryptids are Turing Machines whose behavior (when started on a blank tape) can be described completely by a relatively simple mathematical rule, but where that rule falls into a class of unsolved (and presumed hard) mathematical problems. This definition is somewhat subjective (What counts as a simple rule? […]
Autism’s Confusing Cousins
“I think that these days what we mean by “autism” is basically “weird person disease.”” Sorbie Richner, Rich Girl Rehab “Accurate diagnosis requires consideration of multiple diagnoses. Sometimes, different diagnoses can overlap with one another and can only be differentiated in subtle and nuanced ways, but particular diagnoses vary considerably in levels of public awareness. […]