PFAS: The Organofluorines Your Biochemist Warned You About
https://hackaday.com/2021/11/22/pfas-the-organofluorines-your-biochemist-warned-you-about/

Sometimes it begins to feel like a tradition that a certain substance or group of substances become highly popular due to certain highly desirable chemical or physical properties, only for …read more (https://hackaday.com/2021/11/22/pfas-the-organofluorines-your-biochemist-warned-you-about/)

Simple But Stylish Numitron Clock Can Display Time, Date and Temperature
https://hackaday.com/2021/11/22/simple-but-stylish-numitron-clock-can-display-time-date-and-temperature/

While it seems like Nixie tubes get all the attention when it comes to making retro-style displays, there are plenty of other display technologies that can make a good-looking retro …read more (https://hackaday.com/2021/11/22/simple-but-stylish-numitron-clock-can-display-time-date-and-temperature/)

GBA Remote Play Upgrade Lets You Play PlayStation On The Bus
https://hackaday.com/2021/11/22/gba-remote-play-upgrade-lets-you-play-playstation-on-the-bus/

The Nintendo Game Boy Advance was basically the handheld gaming situation of its era, by virtue of the fact that it had no serious competitors in the market. The system …read more (https://hackaday.com/2021/11/22/gba-remote-play-upgrade-lets-you-play-playstation-on-the-bus/)

Shop-Built Rig Measure Strength of Wood Accurately
https://hackaday.com/2021/11/22/shop-built-rig-measure-strength-of-wood-accurately/

Wood is an incredibly versatile material, but like everything else, it has its limits. Build a chair from weak wood and the worst that can happen is probably not that …read more (https://hackaday.com/2021/11/22/shop-built-rig-measure-strength-of-wood-accurately/)

Visualizing WiFi with a Converted 3D Printer
https://hackaday.com/2021/11/22/visualizing-wifi-with-a-converted-3d-printer/

We all know we live in a soup of electromagnetic radiation, everything from AM radio broadcasts to cosmic rays. Some of it is useful, some is a nuisance, but all …read more (https://hackaday.com/2021/11/22/visualizing-wifi-with-a-converted-3d-printer/)

A PDP 11 by Any Other Name: Heathkit H11 Teardown and Repair
https://hackaday.com/2021/11/22/a-pdp-11-by-any-other-name-heathkit-h11-teardown-and-repair/

[Lee Adamson] is no stranger to classic computers. He recently picked up a Heathkit H11A which, as you might remember, is actually a PDP-11 from DEC. Well, technically, it is …read more (https://hackaday.com/2021/11/22/a-pdp-11-by-any-other-name-heathkit-h11-teardown-and-repair/)

DIY High Flow 3D Printing Nozzle
https://hackaday.com/2021/11/23/diy-high-flow-3d-printing-nozzle/