When taking macro photographs, you often need just a tiny bit of controlled motion — so little that it’s tough to pull off by hand. To address this, [Salveo] designed …read more (https://hackaday.com/2026/04/05/tiny-moves-big-depth-an-open-source-macro-focus-slider/)

Building a Vise Stand with Pen-Like Retracting Wheels
https://hackaday.com/2026/04/05/building-a-vise-stand-with-pen-like-retracting-wheels/

Old shop tools have a reputation for resilience and sturdiness, and though some of this is due to survivorship bias, some of it certainly comes down to an abundance of …read more (https://hackaday.com/2026/04/05/building-a-vise-stand-with-pen-like-retracting-wheels/)

Making the Case Against Markdown
https://hackaday.com/2026/04/05/making-the-case-against-markdown/

For some reason, Markdown has not just become the format of choice for giving READMEs in GitHub repositories some flair, but also for writing entire websites and documents. In a …read more (https://hackaday.com/2026/04/05/making-the-case-against-markdown/)

Pocket-Sized e-Ink Gets a Firmware Upgrade
https://hackaday.com/2026/04/05/pocket-sized-e-ink-gets-a-firmware-upgrade/

Not so long ago, e-ink devices were rare and fairly pricey. As they have become more common and cheaper, some cool form-factor devices have emerged that suffer from subpar software. …read more (https://hackaday.com/2026/04/05/pocket-sized-e-ink-gets-a-firmware-upgrade/)

Flying Cell Towers for Lower-Latency
https://hackaday.com/2026/04/06/flying-cell-towers-for-lower-latency/

When the inevitable Kessler Syndrome cascade sweeps Starlink and its competitors from Low Earth Orbit in what will doubtless be a spectacular meteor shower of debris, the people behind Sceye …read more (https://hackaday.com/2026/04/06/flying-cell-towers-for-lower-latency/)

Simulating the AVR8 for a browser-based Arduino emulator
https://hackaday.com/2026/04/06/simulating-the-avr8-for-a-browser-based-arduino-emulator/

It’s always nice to simulate a project before soldering a board together. Tools like QUCS run locally and work quite well for analog circuits, but can fall short with programmable …read more (https://hackaday.com/2026/04/06/simulating-the-avr8-for-a-browser-based-arduino-emulator/)

Testing the Wave-Particle Duality with Gamma Rays
https://hackaday.com/2026/04/06/testing-the-wave-particle-duality-with-gamma-rays/

Everything on the electromagnetic spectrum has some properties of both waves and particles, but it’s difficult to imagine a radio wave, for example, behaving like a particle. The main evidence …read more (https://hackaday.com/2026/04/06/testing-the-wave-particle-duality-with-gamma-rays/)