The latest blog posts to take off on Hacker News. 474 posts.
After several years of development, complicated by the pandemic, disrupted supply chains, and war in Europe, we announced our new Original Prusa MK4 today. We began shipping the first units of the XL two weeks ago. There is an upcoming PrusaSlicer...
The price of Solid-state drives (SSDs) has dropped significantly over the last few years. It's now possible to buy a 1TB solid-state drive for less than €60. However, at such low price points, there is a catch.
The history of making is now ready for the future
Counterfeits CPU were very common in the mid-90s. The worst period was between 1993 (just after the launch of the Intel 486 DX2) and 1998 (when the Pentium II started to be multiplier-locked). It was extremely easy for tricksters to remove the original marking and reprint another one with a higher f
One of the most interesting navigation instruments onboard Soyuz spacecraft was the Globus INK, 1 which used a rotating globe to indicate...
An not-for-profit roundup of affordable PCB manufacturers. Originally published in 2023 and last updated January 2026.
A Raspberry Pi is great if you have a need for which it excels. GPIO, extremely low power requirements, tight space constraints. But the Pi should not be the first thing you reach for when “U…
Abstract : in the cover image the homebuilt TEA nitrogen laser in use at PhyscsOpenLab. The entire l
While programmers today take multiplication for granted, most microprocessors in the 1970s could only add and subtract — multiplication r...
A step-by-step tutorial you can follow along, featuring ffmpeg, xrandr, tcpdump and a dhcp server running on a Raspberry Pi
This technical guide details how you can create your own aerial imagery and 3D models of streets with the built in iPhone LiDAR sensor and open source tools in the OpenDroneMap package.
anarcat
I'm in the middle of turning two badly treated IBM ThinkPad 701CS machines (the ones with the lovely unfolding keyboard) into a single, wor...
A micro-architected material made from tiny knots proves tougher and more durable than unknotted counterparts.
If you’re new to the Arm ecosystem, consider this a quick primer on terms you likely have seen before but might have questions about.
This article answeres the questions of how to start a rocket engine and takes you on a deep dive into spark plugs, torch ignitors and more.
Note: If you're here because you just want to watch Netflix on Asahi, install this (Edit: for Arch users, grab this . Fedora users can install the widevine-installer package), and then scroll down to the "Netflix-Specific Annoyances" section.
I like production gear. Audio, video and .. miscellaneous. I like things that seem like they'll make me oh-so-very productive. I'm a sucker prosumer as a hobby. Let's talk about Elgato, Elixir and why I never actually get anything done. This is unfortunately not sponsored by a prosumer brand, or anyone, that'd have…
BadUSB attacks have been a threat for years, but is the USB-C dock sitting on your desk the latest threat in disguise?
Cryptography tells us how to make a chain of trust rooted in special-purpose chips known as secure elements. But how do we come to trust our secure elements? I have been searching for solutions to this thorny supply chain problem . Ideally, one can directly inspect the construction of a chip, but any viable inspection…
In the Soyuz space missions, cosmonauts tracked their position above the Earth with a remarkable electromechanical device with a rotating ...
4am doesn’t suffer fools, or repetition. Or mysteries. Focused out of nowhere on tinkering with an Apple II a number of years back, they re-learned the whole of how the unique floppy disk sys…
I'm almost ashamed to admit it, but just 1 year ago when I started working on C64 OS, I didn't have the first clue how the C64 Keyboard worked. I knew there was a thing called the keyboard buffer, but I had cloudy thoughts of it being inside the keyboard itself. When I had to actually write the keyboard scanning…
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