Ground effect aerodynamics will return to Formula 1 in a big way in the 2022 season, hopefully washing away the bad taste left in fan’s mouths after the recent controversial …read more (https://hackaday.com/2021/12/21/ground-effect-aerodynamics-on-an-rc-car/)

Plastics: Photopolymers for 3D Printing and Beyond
https://hackaday.com/2021/12/21/plastics-photopolymers-for-3d-printing-and-beyond/

Chances are good that if you’ve done any 3D printing, it was of the standard fused deposition modeling variety. FDM is pretty simple stuff — get a bit of plastic …read more (https://hackaday.com/2021/12/21/plastics-photopolymers-for-3d-printing-and-beyond/)

Where the Rubber Meets the Computer
https://hackaday.com/2021/12/21/where-the-rubber-meets-the-computer/

If you ever get a chance to go to Leiden, take it. It is a beautiful little city that hides some high-power university research. It also boasts the world’s first …read more (https://hackaday.com/2021/12/21/where-the-rubber-meets-the-computer/)

Keebin’ with Kristina: the One with the Hole-y Keyboard
https://hackaday.com/2021/12/21/keebin-with-kristina-the-one-with-the-hole-y-keyboard/

According to Google Translate, kleks is Polish for (and I’m cherry-picking definitions here) the word ‘splash’. Well, [deʃhipu]’s hole-ful and soulful Kleks Keyboard certainly made a splash with me. [deʃhipu] knows …read more (https://hackaday.com/2021/12/21/keebin-with-kristina-the-one-with-the-hole-y-keyboard/)

Li-ion Battery Low-Level Intricacies Explained Excellently
https://hackaday.com/2021/12/21/li-ion-battery-low-level-intricacies-explained-excellently/

There’s a lot of magic in Lithium-ion batteries that we typically take for granted and don’t dig deeper into. Why is the typical full charge voltage 4.2 V and not …read more (https://hackaday.com/2021/12/21/li-ion-battery-low-level-intricacies-explained-excellently/)

Make Your Own Chain Link Fencing
https://hackaday.com/2021/12/21/make-your-own-chain-link-fencing/

If you find yourself in need of chain link fencing, you’d probably just head down to the hardware store. However, [The Q] has shown us that you can make your …read more (https://hackaday.com/2021/12/21/make-your-own-chain-link-fencing/)

Bubble Lights Made From Scratch
https://hackaday.com/2021/12/21/bubble-lights-made-from-scratch/

Bubble lights are mesmerizing things to watch, up there with lava lamps as one of the nicer aesthetic creations of the mid-20th century. [Tech Ingredients] decided to head into the …read more (https://hackaday.com/2021/12/21/bubble-lights-made-from-scratch/)

Laser Sees Through Keyhole
https://hackaday.com/2021/12/21/laser-sees-through-keyhole/