By virtue of its triple bond, acetylene burns hotter than any other common hydrocarbon when mixed with oxygen, but it isn’t the only flame hot enough for welding. With the …read more (https://hackaday.com/2025/09/21/welding-with-natural-gas-and-oxygen/)

A Serial Mouse for a Homebrew 8-bit Computer
https://hackaday.com/2025/09/21/a-serial-mouse-for-a-homebrew-8-bit-computer/

[Too Many Wires] has a custom computer he’s building. He wanted a mouse, but USB is a bit of a stretch for the fledgling computer. We might have opted for …read more (https://hackaday.com/2025/09/21/a-serial-mouse-for-a-homebrew-8-bit-computer/)

Hackaday Links: September 21, 2025
https://hackaday.com/2025/09/21/hackaday-links-september-21-2025/

Remember AOL? For a lot of folks, America Online was their first ISP, the place where they got their first exposure to the Internet, or at least a highly curated …read more (https://hackaday.com/2025/09/21/hackaday-links-september-21-2025/)

First Transistor Computer Reborn
https://hackaday.com/2025/09/21/first-transistor-computer-reborn/

Ok, we’ll admit it. If you asked us what the first transistorized computer was, we would have guessed it was the TC from the University of Manchester. After all, Dr. …read more (https://hackaday.com/2025/09/21/first-transistor-computer-reborn/)

Mandrel Magic: Small Box Assembly with 3D Printing
https://hackaday.com/2025/09/21/mandrel-magic-small-box-assembly-with-3d-printing/

Often, we face tedious tasks with no way around them. Sometimes, you just have to grit your teeth and push through. But small tweaks can make the onerous task a …read more (https://hackaday.com/2025/09/21/mandrel-magic-small-box-assembly-with-3d-printing/)

Restoring a Vintage Computer And Its Plotter
https://hackaday.com/2025/09/22/restoring-a-vintage-computer-and-its-plotter/

Repairing vintage computers is bread-and-butter for many of us around here. The machines themselves tend to be fairly fixable, assuming spare parts are available and there hasn’t been too much …read more (https://hackaday.com/2025/09/22/restoring-a-vintage-computer-and-its-plotter/)

iPhone Air Still Apparently Repairable Despite Its Compact Construction
https://hackaday.com/2025/09/22/iphone-air-still-apparently-repairable-despite-its-compact-construction/

Miniaturization is a trend that comes and goes in the cellular phone space. For a while, our phones were all getting smaller, then they started getting bigger again as screens …read more (https://hackaday.com/2025/09/22/iphone-air-still-apparently-repairable-despite-its-compact-construction/)

Meta’s Ray-Ban Display Glasses and the New Glassholes
https://hackaday.com/2025/09/22/metas-ray-ban-display-glasses-and-the-new-glassholes/