Over on YouTube, [Technology Connections] has a new video: Induction lamps: fluorescent lighting’s final form. This video is about a wireless fluorescent light which uses induction to transfer power from …read more (https://hackaday.com/2025/07/11/an-induction-lamp-made-on-the-same-principle-as-ordinary-fluorescent-lamp/)

Designing a CPU with only Memory Chips
https://hackaday.com/2025/07/11/designing-a-cpu-with-only-memory-chips/

Building a simple 8-bit computer is a great way to understand computing fundamentals, but there’s only so much you can learn by building a system around an existing processor. If …read more (https://hackaday.com/2025/07/11/designing-a-cpu-with-only-memory-chips/)

DIY X-Rays Made Easy
https://hackaday.com/2025/07/11/diy-x-rays-made-easy/

Who doesn’t want an X-ray machine? But you need a special tube and super high voltage, right? [Project 326] says no, and produces a USB-powered device that uses a tube …read more (https://hackaday.com/2025/07/11/diy-x-rays-made-easy/)

Measuring the Impact of LLMs on Experienced Developer Productivity
https://hackaday.com/2025/07/11/measuring-the-impact-of-llms-on-experienced-developer-productivity/

https://metr.org/blog/2025-07-10-early-2025-ai-experienced-os-dev-study/
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2025/07/metr_llm_forecasted-vs-observed.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2025/07/metr_llm_forecasted-vs-observed.png?w=800">Recently AI risk and benefit evaluation company METR ran a randomized control test (RCT) on a gaggle of experienced open source developers to gain objective data on how the use …read more (https://hackaday.com/2025/07/11/measuring-the-impact-of-llms-on-experienced-developer-productivity/)

Get Roped Into Magnetic Core Memory with this 512 bit Module
https://hackaday.com/2025/07/11/get-roped-into-magnetic-core-memory-with-this-512-bit-module/

Magnetic Core memory was the RAM at the heart of many computer systems through the 1970s, and is undergoing something of a resurgence today since it is easiest form of …read more (https://hackaday.com/2025/07/11/get-roped-into-magnetic-core-memory-with-this-512-bit-module/)

The 555 Writ Large
https://hackaday.com/2025/07/12/the-555-writ-large/

Few electronic ICs can claim to be as famous as the 555 timer. Maybe part of the reason is that the IC doesn’t have a specific function. It has a …read more (https://hackaday.com/2025/07/12/the-555-writ-large/)

The Cantareel is Hurdy-Guitar Turned Inside Out
https://hackaday.com/2025/07/12/the-cantareel-is-hurdy-guitar-turned-inside-out/

Sometimes, all you need to make something work is to come at it from a different angle from anyone else — flip the problem on its head, so to speak. …read more (https://hackaday.com/2025/07/12/the-cantareel-is-hurdy-guitar-turned-inside-out/)

Trickle Down: When Doing Something Silly Actually Makes Sense
https://hackaday.com/2025/07/12/trickle-down-when-doing-something-silly-actually-makes-sense/