Hackaday Links: December 21, 2025
https://hackaday.com/2025/12/21/hackaday-links-december-21-2025/

It’s amazing how fragile our digital lives can be, and how quickly they can fall to pieces. Case in point: the digital dilemma that Paris Buttfield-Addison found himself in last …read more (https://hackaday.com/2025/12/21/hackaday-links-december-21-2025/)

The Unusual Pi Boot Process Explained
https://hackaday.com/2025/12/21/the-unusual-pi-boot-process-explained/

If you’ve ever experimented with a microprocessor at the bare metal level, you’ll know that when it starts up, it will look at its program memory for something to do. …read more (https://hackaday.com/2025/12/21/the-unusual-pi-boot-process-explained/)

Origami on another Level with 3D Printing
https://hackaday.com/2025/12/21/origami-on-another-level-with-3d-printing/

Origami has become known as a miracle technique for designers. Elegant compliant mechanisms can leverage the material properties of a single geometry in ways that are sometimes stronger than those …read more (https://hackaday.com/2025/12/21/origami-on-another-level-with-3d-printing/)

Lichtenberg Lightning in a Bottle, Thanks To The Magic of Particle Accelerators
https://hackaday.com/2025/12/22/lichtenberg-lightning-in-a-bottle-thanks-to-the-magic-of-particle-accelerators/

You’ve probably seen Lichtenberg figures before, those lightning-like traces left by high-voltage discharge. The safe way to create them is using an electron beam to embed charge inside an acrylic …read more (https://hackaday.com/2025/12/22/lichtenberg-lightning-in-a-bottle-thanks-to-the-magic-of-particle-accelerators/)

How To Build Good Contact Mics
https://hackaday.com/2025/12/22/how-to-build-good-contact-mics/

We’re most familiar with sound as vibrations that travel through the atmosphere around us. However, sound can also travel through objects, too! If you want to pick it up, you’d …read more (https://hackaday.com/2025/12/22/how-to-build-good-contact-mics/)