Bridges are a part of our constructed landscape that we take for granted. And bridges by themselves aren’t especially important. What is important is that bridges let you get from …read more (https://hackaday.com/2026/06/29/the-teenage-angst-of-3d-printing-solidoodle-printrbot-and-bridges/)

Mechanical TV, Without The Benefit Of New Parts
https://hackaday.com/2026/06/29/mechanical-tv-without-the-benefit-of-new-parts/

There are many experimenters who have had a go at a mechanical television, and though there are a few challenges, it’s a relatively straightforward project in 2026. A hundred years …read more (https://hackaday.com/2026/06/29/mechanical-tv-without-the-benefit-of-new-parts/)

Hackaday Europe 2026 – Building A Retro PC From Scratch
https://hackaday.com/2026/06/29/hackaday-europe-2026-building-a-retro-pc-from-scratch/

If you’re big into retrocomputing, you probably spend a lot of time chasing parts and machines on online classifieds or through local swap meets. But what if there was a …read more (https://hackaday.com/2026/06/29/hackaday-europe-2026-building-a-retro-pc-from-scratch/)

2026 Frikkin Lasers Challenge: Super-Simple Laser Precision for Your Stargazing
https://hackaday.com/2026/06/29/2026-frikkin-lasers-challenge-super-simple-laser-precision-for-your-stargazing/

Perhaps the hardest thing for amateur astronomers just starting out is finding the things you want to look at. Prolific maker [mircemk] has submitted a quick-and-easy star-hopper device that will …read more (https://hackaday.com/2026/06/29/2026-frikkin-lasers-challenge-super-simple-laser-precision-for-your-stargazing/)

Piano Escapement Migrates to Drum Kit
https://hackaday.com/2026/06/29/piano-escapement-migrates-to-drum-kit/

For as popular as the piano is in music studios, homes, and schools, it almost defies logic. Compared to a guitar, harmonica, or drum set, pianos are incredibly complex machines …read more (https://hackaday.com/2026/06/29/piano-escapement-migrates-to-drum-kit/)

Hard Drive Speakers Crank Out Classic Demo
https://hackaday.com/2026/06/29/hard-drive-speakers-crank-out-classic-demo/

Second Reality is a legendary demoscene release by Future Crew, which won Assembly 1993 with its technical and artistic mastery. [Niv Singer] decided to give the classic demo a spin …read more (https://hackaday.com/2026/06/29/hard-drive-speakers-crank-out-classic-demo/)

The Terrifying 2011-Era Case of Max Planck’s Retracted Papers
https://hackaday.com/2026/06/29/the-terrifying-2011-era-case-of-max-plancks-retracted-papers/

In the world of scientific publishing there are many reasons why a paper can be retracted, but generally there is an obvious and clearly communicated reason for doing so. Thus …read more (https://hackaday.com/2026/06/29/the-terrifying-2011-era-case-of-max-plancks-retracted-papers/)

Making a Magnetic Core Memory USB Drive
https://hackaday.com/2026/06/29/making-a-magnetic-core-memory-usb-drive/