Building a Chain Drive Differential From Junkyard Parts
https://hackaday.com/2022/12/15/building-a-chain-drive-differential-from-junkyard-parts/

A differential is a very useful thing for a vehicle. It allows two driven wheels to rotate at different speeds, such as when going around a corner. [Workshop From Scratch] …read more (https://hackaday.com/2022/12/15/building-a-chain-drive-differential-from-junkyard-parts/)

Retrotechtacular: A 1960s Look at the 21st Century Home
https://hackaday.com/2022/12/15/retrotechtacular-a-1960s-look-at-the-21st-century-home/

If you only watch the first 60 seconds of 1967’s “At Home, 2001,” you’ll be forgiven for thinking that the film is riddled with missed predictions. And to be sure, …read more (https://hackaday.com/2022/12/15/retrotechtacular-a-1960s-look-at-the-21st-century-home/)

A Kid’s Toy Guitar Turned Into An Electric Ukulele
https://hackaday.com/2022/12/15/a-kids-toy-guitar-turned-into-an-electric-ukulele/

With the holiday season fast approaching, there’s a good chance that some well-meaning friend or relative might buy a toy musical instrument for your children, safe in the knowledge that …read more (https://hackaday.com/2022/12/15/a-kids-toy-guitar-turned-into-an-electric-ukulele/)

Two-Thirds Keyboard Is Inspired By The Typesetting Era
https://hackaday.com/2022/12/16/two-thirds-keyboard-is-inspired-by-the-typesetting-era/

We see all kinds of custom keyboard builds around here. Most of them are intended to optimize typing to the user’s desires. This glorious build from [Attoparsec] isn’t one of …read more (https://hackaday.com/2022/12/16/two-thirds-keyboard-is-inspired-by-the-typesetting-era/)

Mazda Patents Spinning Dorito to Extend EV Range
https://hackaday.com/2022/12/16/mazda-patents-spinning-dorito-to-extend-ev-range/

OK, so a Wankel engine doesn’t really use a Dorito as its cylinders, but it sure looks like one. The company has announced it will offer a range extender rotary …read more (https://hackaday.com/2022/12/16/mazda-patents-spinning-dorito-to-extend-ev-range/)

This Week In Security: Scamming the FBI, In The Wild, and AI Security
https://hackaday.com/2022/12/16/this-week-in-security-scamming-the-fbi-in-the-wild-and-ai-security/

If you’re part of a government alphabet agency, particularly running a program to share information to fight cybercrime, make sure to properly verify the identity of new members before admission. …read more (https://hackaday.com/2022/12/16/this-week-in-security-scamming-the-fbi-in-the-wild-and-ai-security/)

Motion-Activated Clock Only Lights Up On Command
https://hackaday.com/2022/12/16/motion-activated-clock-only-lights-up-on-command/