Mining and Refining: Titanium, Our Youngest Industrial Metal
https://hackaday.com/2023/12/05/mining-and-refining-titanium-our-youngest-industrial-metal/

Earlier in this series, we made the case for copper being “the metal that built technology.” Some readers took issue with that statement, noting correctly that meteoric iron and gold …read more (https://hackaday.com/2023/12/05/mining-and-refining-titanium-our-youngest-industrial-metal/)

A Single Board Computer, With Vacuum Tubes
https://hackaday.com/2023/12/05/a-single-board-computer-with-vacuum-tubes/

We have occasionally featured vacuum tube computers here at Hackaday and we’ve brought you many single board computers, but until now it’s probable we haven’t brought you a machine that …read more (https://hackaday.com/2023/12/05/a-single-board-computer-with-vacuum-tubes/)

Retrotechtacular: The Gunsmith of Williamsburg
https://hackaday.com/2023/12/05/retrotechtacular-the-gunsmith-of-williamsburg/

A modern firearm is likely to be mass-produced using high-precision machine tools, and with a uniformity to the extent that parts from one can be interchanged with those from another. …read more (https://hackaday.com/2023/12/05/retrotechtacular-the-gunsmith-of-williamsburg/)

Affordable Networking For Your Classic Mac
https://hackaday.com/2023/12/05/affordable-networking-for-your-classic-mac/

The Mac SE and in particular the Mac SE/30 number among the more sought-after of the classic all-in-one Apple computers, and consequently their peripherals including network cards are also hard …read more (https://hackaday.com/2023/12/05/affordable-networking-for-your-classic-mac/)

This Pogo Pin Test Fixture Keep Your SMDs from Taking Flight
https://hackaday.com/2023/12/05/this-pogo-pin-test-fixture-keep-your-smds-from-taking-flight/

There’s no denying how useful surface mount technology is, and how enabling the ability to make really small circuits has become. It comes at a price, though; most of us …read more (https://hackaday.com/2023/12/05/this-pogo-pin-test-fixture-keep-your-smds-from-taking-flight/)

Inside a Rubidium Frequency Standard
https://hackaday.com/2023/12/05/inside-a-rubidium-frequency-standard/

We think of crystals as the gold standard of frequency generation. However, if you want real precision, you need something either better than a crystal or something that will correct …read more (https://hackaday.com/2023/12/05/inside-a-rubidium-frequency-standard/)

Directional Antenna Stands Tall
https://hackaday.com/2023/12/05/directional-antenna-stands-tall/

When you think of directional ham radio antennas, you probably think of a Yagi, cubical quad, or a log-periodic antenna. These antennas usually are in a horizontal configuration up on …read more (https://hackaday.com/2023/12/05/directional-antenna-stands-tall/)