For some reason, people are really into tiny arcade machines that basically require you to ruin your hands and eyes in order to play on them. That said, unlike the …read more (https://hackaday.com/2025/07/21/reverse-engineering-a-tony-6502-based-mini-arcade-machine/)

Bearing Witness: Measuring the Wobbles in Rotary Build
https://hackaday.com/2025/07/21/bearing-witness-measuring-the-wobbles-in-rotary-build/

3D printing has simplified the creation of many things, but part of making something is knowing just how much you can rely on it. On the [BubsBuilds] YouTube channel, he …read more (https://hackaday.com/2025/07/21/bearing-witness-measuring-the-wobbles-in-rotary-build/)

Why Apple Dumped 2,700 Computers In A Landfill in 1989
https://hackaday.com/2025/07/21/why-apple-dumped-2700-computers-in-a-landfill-in-1989/

In 1983, the Lisa was supposed to be a barnburner. Apple’s brand-new computer had a cutting edge GUI, a mouse, and power far beyond the 8-bit machines that came before. …read more (https://hackaday.com/2025/07/21/why-apple-dumped-2700-computers-in-a-landfill-in-1989/)

Don’t Turn That Old System On, First Take it Apart
https://hackaday.com/2025/07/21/dont-turn-that-old-system-on-first-take-it-apart/

When you first get your hands on an old piece of equipment, regardless of whether it’s an old PC or some lab equipment, there is often the temptation to stick …read more (https://hackaday.com/2025/07/21/dont-turn-that-old-system-on-first-take-it-apart/)

Fixing Human Sleep With Air Under Pressure
https://hackaday.com/2025/07/21/fixing-human-sleep-with-air-under-pressure/

By and large, the human body is designed to breathe from birth, and keep breathing continuously until death. Indeed, if breathing stops, lifespan trends relatively rapidly towards zero. There’s a …read more (https://hackaday.com/2025/07/21/fixing-human-sleep-with-air-under-pressure/)

Freezer Monitoring: Because Ice Cream Is a Dish Best Served Cold
https://hackaday.com/2025/07/21/freezer-monitoring-because-ice-cream-is-a-dish-best-served-cold/

[Scott Baker] wrote in to let us know about his freezer monitor. After a regrettable incident where the ice cream melted because the freezer failed [Scott] decided that what was …read more (https://hackaday.com/2025/07/21/freezer-monitoring-because-ice-cream-is-a-dish-best-served-cold/)

2025 One-Hertz Challenge: It’s Hexadecimal Unix Time
https://hackaday.com/2025/07/21/2025-one-hertz-challenge-its-hexadecimal-unix-time/

[danjovic] came up with a nifty entry for our 2025 One-Hertz Challenge that lands somewhere between the categories of Ridiculous and Clockwork. It’s a clock that few hackers, if any, …read more (https://hackaday.com/2025/07/21/2025-one-hertz-challenge-its-hexadecimal-unix-time/)

A Lockpicking Robot That Can Sense the Pins
https://hackaday.com/2025/07/21/a-lockpicking-robot-that-can-sense-the-pins/