Despite great progress over the past century, more than a billion people still don’t have access to clean drinking water today. Much of the water on Earth’s surface is polluted, …read more (https://hackaday.com/2022/04/02/monitoring-water-quality-using-lots-of-sensors-and-machine-learning/)

Retrotechtacular: The Transatlantic Radiotelephone System of the 1930s
https://hackaday.com/2022/04/02/retrotechtacular-the-transatlantic-radiotelephone-system-of-the-1930s/

With the web of undersea cables lacing the continents together now, it’s hard to imagine that it wasn’t until 1956 that the first transatlantic telephone cable was laid. Sure, there …read more (https://hackaday.com/2022/04/02/retrotechtacular-the-transatlantic-radiotelephone-system-of-the-1930s/)

Compaq 286 Laptop Gets Raspberry Transfusion
https://hackaday.com/2022/04/02/compaq-286-laptop-gets-raspberry-transfusion/

We know, we know. A lot of you don’t like projects that consist of gutting a vintage computer (or anything else, for that matter) and replacing its internals with modern …read more (https://hackaday.com/2022/04/02/compaq-286-laptop-gets-raspberry-transfusion/)

This Big 3D-Printed Game Boy Actually Runs MacOS
https://hackaday.com/2022/04/03/this-big-3d-printed-game-boy-actually-runs-macos/

While mobile gaming has largely moved to smartphones these days, the classic Game Boy remains a hugely popular platform for retro enthusiasts, owing in no small part to its enormous …read more (https://hackaday.com/2022/04/03/this-big-3d-printed-game-boy-actually-runs-macos/)

Using Statistics Instead of Sensors
https://hackaday.com/2022/04/03/using-statistics-instead-of-sensors/

Statistics often gets a bad rap in mathematics circles for being less than concrete at best, and being downright misleading at worst. While these sentiments might ring true for things …read more (https://hackaday.com/2022/04/03/using-statistics-instead-of-sensors/)

3D Printering: Don’t Tune To A Middle ‘C’ After All
https://hackaday.com/2022/04/03/3d-printering-dont-tune-to-a-middle-c-after-all/

https://www.youtube.com/watch?v=zoKmmT0a7jk
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2022/03/Snap-2022-03-31-at-18.57.33.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2022/03/Snap-2022-03-31-at-18.57.33.png?w=800">3D printer belt tension seems like a simple thing to deal with — you set the tension and then check it’s good now and then. If it gets really loose, …read more (https://hackaday.com/2022/04/03/3d-printering-dont-tune-to-a-middle-c-after-all/)

Flashing TI Chips with an ESP
https://hackaday.com/2022/04/03/flashing-ti-chips-with-an-esp/

Texas Instruments is best known to the general public for building obsolete calculators and selling them at extraordinary prices to students, but they also build some interesting (and reasonably-priced) microcontrollers …read more (https://hackaday.com/2022/04/03/flashing-ti-chips-with-an-esp/)