https://www.youtube.com/watch?v=vvx1PTYyTSk
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2022/04/Snap-2022-04-19-at-22.22.16.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2022/04/Snap-2022-04-19-at-22.22.16.png?w=800">[Robert Murray-Smith] presents for us an interesting electronic device from years gone by, before the advent of Silicon semiconductors, the humble metal oxide rectifier. After the electronic dust had settled …read more (https://hackaday.com/2022/04/20/copper-rectifying-ac-a-century-ago/)

Bring Precision to the Woodshop with an Electronic Router Lift
https://hackaday.com/2022/04/20/bring-precision-to-the-woodshop-with-an-electronic-router-lift/

One of the knocks that woodworkers get from the metalworking crowd is that their chosen material is a bit… compliant. Measurements only need to be within a 1/16th of an …read more (https://hackaday.com/2022/04/20/bring-precision-to-the-woodshop-with-an-electronic-router-lift/)

Turning Scrap Copper into Beautiful Copper Acetate Crystals
https://hackaday.com/2022/04/20/turning-scrap-copper-into-beautiful-copper-acetate-crystals/

Crystals, at least those hawked by new-age practitioners for their healing or restorative powers, will probably get a well-deserved eye roll from most of the folks around here. That said, …read more (https://hackaday.com/2022/04/20/turning-scrap-copper-into-beautiful-copper-acetate-crystals/)

SMT Part Counter Aims to Ease Taking Inventory
https://hackaday.com/2022/04/20/smt-part-counter-aims-to-ease-taking-inventory/

[Nick Poole] has an interesting idea for a new tool, one that has the simple goal of making accurate part counts of SMT reels as easy as pulling tape through …read more (https://hackaday.com/2022/04/20/smt-part-counter-aims-to-ease-taking-inventory/)

Hoverbike Turns Hoverboard Into Ebike
https://hackaday.com/2022/04/21/hoverbike-turns-hoverboard-into-ebike/

Hoverboards were a popular trend with the youths and in-crowd a few years ago, and now that the fad has largely died out there are plenty of them sitting unused …read more (https://hackaday.com/2022/04/21/hoverbike-turns-hoverboard-into-ebike/)

Modular Laptop Maker Provides Mainboard Documentation for Non-Laptop Projects
https://hackaday.com/2022/04/21/modular-laptop-maker-provides-mainboard-documentation-for-non-laptop-projects/

If you’ve been following the latest advancements in computing for a while, you already know that there’s a big problem with laptops: When they’re no longer useful as a daily …read more (https://hackaday.com/2022/04/21/modular-laptop-maker-provides-mainboard-documentation-for-non-laptop-projects/)

Linux Fu: An Odd Use for fork()
https://hackaday.com/2022/04/21/linux-fu-an-odd-use-for-fork/

If you are a Star Trek fan, you’ll probably remember the phrase “You have to learn why things work on a starship.” The truth is, in most episodes, knowing how …read more (https://hackaday.com/2022/04/21/linux-fu-an-odd-use-for-fork/)