When we first saw [DiPDoT’s] homebrew computer, we thought it was an Altair 8800. But, no. While it has a very familiar front panel, the working parts are all based …read more (https://hackaday.com/2025/10/25/relay-computer-knows-the-sequence/)

Thermite Pottery Fires Itself
https://hackaday.com/2025/10/25/thermite-pottery-fires-itself/

Finely powdered aluminium can make almost anything more pyrotechnically interesting, from fireworks to machine shop cleanups – even ceramics, as [Degree of Freedom] discovered. He was experimenting with mixing aluminium …read more (https://hackaday.com/2025/10/25/thermite-pottery-fires-itself/)

What if Tinkercad was Self-Hosted?
https://hackaday.com/2025/10/25/what-if-tinkercad-was-self-hosted/

While we use a lot of CAD tools, many of us are fans of Tinkercad — especially for working with kids or just doing something quick. But many people dislike …read more (https://hackaday.com/2025/10/25/what-if-tinkercad-was-self-hosted/)

A Simple $25 Robot Based on the ESP32
https://hackaday.com/2025/10/25/a-simple-25-robot-based-on-the-esp32/

[Paul McCabe] wrote in to let us know about his $25 robot. This small wheeled robot is based on an ESP32 and made using cardboard and hot glue. You drive …read more (https://hackaday.com/2025/10/25/a-simple-25-robot-based-on-the-esp32/)

A Nuclear Physics Lab in your Pocket
https://hackaday.com/2025/10/25/a-nuclear-physics-lab-in-your-pocket/

If you want to work with radioactive material, a cheap Geiger counter isn’t really what you want. According to [Project 326], you need a gamma ray spectrometer. The video below …read more (https://hackaday.com/2025/10/25/a-nuclear-physics-lab-in-your-pocket/)

Windows 95, With Just a Floppy Drive
https://hackaday.com/2025/10/26/windows-95-with-just-a-floppy-drive/

It’s something of a shock to be reminded that Microsoft’s Windows 95 is now 30 years old — but the PC operating system that brought 32-bit computing to the masses …read more (https://hackaday.com/2025/10/26/windows-95-with-just-a-floppy-drive/)

HRV Gets Home Automation Upgrades
https://hackaday.com/2025/10/26/erv-gets-home-automation-upgrades/

In our modern semi-dystopia, it seems like most companies add automation features to their products to lock them down and get consumers to buy even more proprietary, locked-down components. The …read more (https://hackaday.com/2025/10/26/erv-gets-home-automation-upgrades/)

Spreadsheets Apple ][ Style
https://hackaday.com/2025/10/26/spreadsheets-apple-style/