A MiniDisc Optical Head Has A Few Surprises Up Its Sleeve
https://hackaday.com/2022/03/24/a-minidisc-optical-head-has-a-few-surprises-up-its-sleeve/

There was an odd era at the start of the 1990s when CDs had taken the lead from vinyl in pre-recorded music, but for consumer recordable formats the analogue cassette …read more (https://hackaday.com/2022/03/24/a-minidisc-optical-head-has-a-few-surprises-up-its-sleeve/)

Used Facemasks Turned into Rapid Antigen Tests with Injection Molding
https://hackaday.com/2022/03/24/used-facemasks-turned-into-rapid-antigen-tests-with-injection-molding/

Here’s a little eye-opener for you: next time you’re taking a walk, cast your eyes to the ground for a bit and see how far you can go without spotting …read more (https://hackaday.com/2022/03/24/used-facemasks-turned-into-rapid-antigen-tests-with-injection-molding/)

Desktop Performance In A Custom Mac Laptop
https://hackaday.com/2022/03/24/desktop-performance-in-a-custom-mac-laptop/

Most of us either own or have used a laptop at some point. For traveling, as a student, or even for browsing Hackaday on the couch in front of the …read more (https://hackaday.com/2022/03/24/desktop-performance-in-a-custom-mac-laptop/)

PiSpy, the Camera Setup Designed to Make Biological Observations Better
https://hackaday.com/2022/03/24/pispy-the-camera-setup-designed-to-make-biological-observations-better/

Back in grad school, we biology students were talking shop at lunch one day. We “lab rats” were talking about the tools of the trade, which for most of us …read more (https://hackaday.com/2022/03/24/pispy-the-camera-setup-designed-to-make-biological-observations-better/)

LEGO-Sorting Vacuum Defeats the Problem
https://hackaday.com/2022/03/24/lego-sorting-vacuum-defeats-the-problem/

What’s the worst thing about LEGO? Most would agree that it’s the fact that those bright and colorful pieces of ABS are somehow the most evil thing that can come …read more (https://hackaday.com/2022/03/24/lego-sorting-vacuum-defeats-the-problem/)

Custom Controller Ups Heat Pump Efficiency
https://hackaday.com/2022/03/25/custom-controller-ups-heat-pump-efficiency/

Heat Pumps are an extremely efficient way to maintain climate control in a building. Unlike traditional air conditioners, heat pumps can also effectively work in reverse to warm a home …read more (https://hackaday.com/2022/03/25/custom-controller-ups-heat-pump-efficiency/)

Designed From Scratch And Fully Handmade: The Modular Coleman Z80 Computer
https://hackaday.com/2022/03/25/designed-from-scratch-and-fully-handmade-the-modular-coleman-z80-computer/