NTP is one of the most interesting and important, but all to forgotten, protocols that makes the internet tick. Accurate clock synchronization is required for everything ranging from cryptography to …read more (https://hackaday.com/2025/12/29/how-wind-nearly-took-down-boulder-ntp/)

39C3: Hacking Washing Machines
https://hackaday.com/2025/12/29/39c3-hacking-washing-machines/

Many of us have them, few of us really hack on them: well, here we’re talking about large home appliances. [Severin von Wnuck-Lipinski] and [Hajo Noerenberg] were both working on …read more (https://hackaday.com/2025/12/29/39c3-hacking-washing-machines/)

Keebin’ with Kristina: the One with the Keyboard-Mouse, Again
https://hackaday.com/2025/12/29/keebin-with-kristina-the-one-with-the-keyboard-mouse-again/

The astute among you may remember an earlier version of this Russian beauty, the Lapa, which I featured last year around this time. Creator [lemosbor] claims that the worry was …read more (https://hackaday.com/2025/12/29/keebin-with-kristina-the-one-with-the-keyboard-mouse-again/)

Different Algorithms Sort Christmas Lights
https://hackaday.com/2025/12/29/different-algorithms-sort-christmas-lights/

Sorting algorithms are a common exercise for new programmers, and for good reason: they introduce many programming fundamentals at once, including loops and conditionals, arrays and lists, comparisons, algorithmic complexity, …read more (https://hackaday.com/2025/12/29/different-algorithms-sort-christmas-lights/)

39C3: Recreating Sandstorm
https://hackaday.com/2025/12/29/39c3-recreating-sandstorm/

Some synthesizer sounds are just catchy, but some of them are genre-defining. We think you could make that case for the Roland JP-8000 patch “Sandstorm”, which you’ve heard if you …read more (https://hackaday.com/2025/12/29/39c3-recreating-sandstorm/)

3D Printing a Telescope is Rewarding, Even if Not Always Cheaper
https://hackaday.com/2025/12/29/3d-printing-a-telescope-is-rewarding-even-if-not-always-cheaper/

What can one expect from 3D printing an 8″ Newtonian telescope? [Molly Wakeling] shares her thoughts after doing exactly that. The performance was on par with any solid 8″ telescope, …read more (https://hackaday.com/2025/12/29/3d-printing-a-telescope-is-rewarding-even-if-not-always-cheaper/)

The Rise of Fake Casio Scientific Calculators
https://hackaday.com/2025/12/29/the-rise-of-fake-casio-scientific-calculators/

Scientific calculators are an amazing invention that take pocket calculators from being merely basic arithmetic machines to being pocket computers that can handle everything from statistics to algebra. That said, …read more (https://hackaday.com/2025/12/29/the-rise-of-fake-casio-scientific-calculators/)

Playing a Game of Linux on your Sony Playstation 2
https://hackaday.com/2025/12/29/playing-a-game-of-linux-on-your-sony-playstation-2/