Taking a Look at Variable Vacuum Capacitors
https://hackaday.com/2026/01/11/taking-a-look-at-variable-vacuum-capacitors/

Variable capacitors may be useful, but the air gap that provides their capacitance is their greatest weakness. Rather than deal with the poor dielectric properties of air, some high-end variable …read more (https://hackaday.com/2026/01/11/taking-a-look-at-variable-vacuum-capacitors/)

Design of Common Emitter Amplifier
https://hackaday.com/2026/01/11/design-of-common-emitter-amplifier/

It used to be a rite of passage to be able to do the math necessary to design various bipolar transistor amplifier configurations. This doesn’t come up as often as …read more (https://hackaday.com/2026/01/11/design-of-common-emitter-amplifier/)

Making a CRT Spin Right Round, Round, Round
https://hackaday.com/2026/01/12/making-a-crt-spin-right-round-round-round/

If you’ve got a decent CRT monitor, you can usually adjust the settings to make sure the image scans nicely across the whole display. But what if you could rotate …read more (https://hackaday.com/2026/01/12/making-a-crt-spin-right-round-round-round/)

High-Tech Trailer Brings Water Home
https://hackaday.com/2026/01/12/high-tech-trailer-brings-water-home/

Living without standard utility hookups like electricity, Internet, water, and sewer comes with a whole host of challenges, all of which are most commonly solved by spending lots of money. …read more (https://hackaday.com/2026/01/12/high-tech-trailer-brings-water-home/)

A Linux Power User Puts SteamOS to Work
https://hackaday.com/2026/01/12/a-linux-power-user-puts-steamos-to-work/

Provided there’s something to prop the Deck against, it can make a good laptop replacement using a Bluetooth mouse and keyboard in certain situations as well.
" data-medium-file="https://hackaday.com/wp-content/uploads/2025/12/desktopbluetooth.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2025/12/desktopbluetooth.jpg?w=800">The line between a Linux user and a Linux power user is a bit gray, and a bit wide. Most people who install Linux already have more computer literacy than …read more (https://hackaday.com/2026/01/12/a-linux-power-user-puts-steamos-to-work/)

Chasing The Coca-Cola Recipe
https://hackaday.com/2026/01/12/chasing-the-coca-cola-recipe/

One of the most widely recognised product brands in the world is probably Coca-Cola, and its formula is famously kept a secret through precautions that probably rival those of many …read more (https://hackaday.com/2026/01/12/chasing-the-coca-cola-recipe/)

Keebin’ with Kristina: the One with the Cheap-O Keyboard
https://hackaday.com/2026/01/12/keebin-with-kristina-the-one-with-the-cheap-o-keyboard/