The Brennan torpedo, invented in 1877 by Louis Brennan, was one of the first (if not the first) guided torpedoes of a practical design. Amazingly, it had no internal power …read more (https://hackaday.com/2024/12/17/pulling-backward-to-go-forward-the-brennan-torpedo-explained/)

Learning About The Flume Water Monitor
https://hackaday.com/2024/12/18/learning-about-the-flume-water-monitor/

The itch to investigate lurks within all us hackers. Sometimes, you just have to pull something apart to learn how it works. [Stephen Crosby] found himself doing just that when …read more (https://hackaday.com/2024/12/18/learning-about-the-flume-water-monitor/)

Catching the View from the Edge of Space
https://hackaday.com/2024/12/18/catching-the-view-from-the-edge-of-space/

Does “Pix or it didn’t happen” apply to traveling to the edge of space on a balloon-lofted solar observatory? Yes, it absolutely does. The breathtaking views on this page come …read more (https://hackaday.com/2024/12/18/catching-the-view-from-the-edge-of-space/)

Why Did Early CD-ROM Drives Rely On Awkward Plastic Caddies?
https://hackaday.com/2024/12/18/why-did-early-cd-rom-drives-rely-on-awkward-plastic-caddies/

Sony had the most popular design for CD caddies, which was
" data-medium-file="https://hackaday.com/wp-content/uploads/2024/12/Cd_caddies_JPG.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2024/12/Cd_caddies_JPG.jpg?w=800">These days, very few of us use optical media on the regular. If we do, it’s generally with a slot-loading console or car stereo, or an old-school tray-loader in a …read more (https://hackaday.com/2024/12/18/why-did-early-cd-rom-drives-rely-on-awkward-plastic-caddies/)

Enabling NVMe on the Raspberry Pi 500 With a Handful of Parts
https://hackaday.com/2024/12/18/enabling-nvme-on-the-raspberry-pi-500-with-a-handful-of-parts/

The added 3.3v rail on the Raspberry Pi 500 PCB. (Credit: Samuel Hedrick)
" data-medium-file="https://hackaday.com/wp-content/uploads/2024/12/raspberry_pi_500_PCIe_3.3v_added_samuel_hedrick.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2024/12/raspberry_pi_500_PCIe_3.3v_added_samuel_hedrick.jpg?w=800">With the recent teardown of the Raspberry Pi 500, there were immediately questions raised about the unpopulated M.2 pad and related traces hiding inside. As it turns out, with the …read more (https://hackaday.com/2024/12/18/enabling-nvme-on-the-raspberry-pi-500-with-a-handful-of-parts/)

Upper Room UV-C Keeps Air Cleaner
https://hackaday.com/2024/12/18/upper-room-uv-c-keeps-air-cleaner/

2020 saw the world rocked by widespread turmoil, as a virulent new pathogen started claiming lives around the globe. The COVID-19 pandemic saw a rush on masks, air filtration systems, …read more (https://hackaday.com/2024/12/18/upper-room-uv-c-keeps-air-cleaner/)

Push for On, Hold for Off, AC Edition
https://hackaday.com/2024/12/18/push-for-on-hold-for-off-ac-edition/

A common theme in modern consumer electronics is having a power button that can be tapped to turn the device on, but needs to be held down when it’s time …read more (https://hackaday.com/2024/12/18/push-for-on-hold-for-off-ac-edition/)

FLOSS Weekly Episode 813a: Happy Holidays!
https://hackaday.com/2024/12/18/floss-weekly-episode-813a-happy-holidays/