Cutting Metals With a Diode Laser?
https://hackaday.com/2022/09/21/cutting-metals-with-a-diode-laser/

https://www.youtube.com/watch?v=lSN5Yz1Xq1Q
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2022/09/Snap-2022-09-20-at-22.34.39-featured.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2022/09/Snap-2022-09-20-at-22.34.39-featured.png?w=800">Hobbyist-grade laser cutters can be a little restrictive as to the types and thicknesses of materials that they can cut. We’re usually talking about CO2 and diode-based machines here, and …read more (https://hackaday.com/2022/09/21/cutting-metals-with-a-diode-laser/)

A 3D Printed Marble Run Features Neat Elevator Linkage
https://hackaday.com/2022/09/21/a-3d-printed-marble-run-features-neat-elevator-linkage/

There’s seldom anything as joyful and relaxing to watch as a simple marble run. Of course, the thing about letting marbles fall under gravity is that you eventually need to …read more (https://hackaday.com/2022/09/21/a-3d-printed-marble-run-features-neat-elevator-linkage/)

Know Audio: Stereo
https://hackaday.com/2022/09/21/know-audio-stereo/

In our occasional series charting audio and Hi-Fi technology we have passed at a technical level the main components of a home audio set-up. In our last outing when we …read more (https://hackaday.com/2022/09/21/know-audio-stereo/)

Wow! You Could Have a (Tiny) V8!
https://hackaday.com/2022/09/21/wow-you-could-have-a-tiny-v8/

If you grew up before high gas prices and strict emission control regulations, you probably had — or wanted — a car with a V8 engine. An engineering masterpiece created …read more (https://hackaday.com/2022/09/21/wow-you-could-have-a-tiny-v8/)

Old Barcode Scanner Motherboards Live Again
https://hackaday.com/2022/09/21/old-barcode-scanner-motherboards-live-again/

Sometimes, hacking is just for the pleasure of diving into the secrets of old hardware. That was very much the case when [glitch] and a friend started hacking on some …read more (https://hackaday.com/2022/09/21/old-barcode-scanner-motherboards-live-again/)

Metric and Inch Threads Fight it Out for Ultra-Precise Positioning
https://hackaday.com/2022/09/21/metric-and-inch-threads-fight-it-out-for-ultra-precise-positioning/

When you’re a machinist, your stock in trade is precision, with measurements in the thousandths of your preferred unit being common. But when you’re a diemaker, your precision game needs …read more (https://hackaday.com/2022/09/21/metric-and-inch-threads-fight-it-out-for-ultra-precise-positioning/)

Trojans Can Lurk Inside AVR Bootloaders
https://hackaday.com/2022/09/21/trojans-can-lurk-inside-avr-bootloaders/