You can hear sound, of course, but what if you could see it with a laser? That’s what [Goosetopherson] thought about, and thus a new project that you can see …read more (https://hackaday.com/2026/01/09/seeing-sound-with-a-laser/)

Bose SoundTouch Smart Speakers get an Open Source Lifeline
https://hackaday.com/2026/01/09/bose-soundtouch-smart-speakers-get-an-open-source-lifeline/

After initially announcing that Bose will completely turn off all ‘smart’ features in its SoundTouch series of speaker products, the company has seemingly responded to the wave of unhappy feedback …read more (https://hackaday.com/2026/01/09/bose-soundtouch-smart-speakers-get-an-open-source-lifeline/)

Math Breakthrough Helps Your Feng Shui
https://hackaday.com/2026/01/09/math-breakthrough-helps-your-feng-shui/

In 1966, a mathematician named [Leo Moser] proposed what sounds like a simple problem: What’s the largest shape you can move through a 1-meter corridor with a right-angle corner? Now, …read more (https://hackaday.com/2026/01/09/math-breakthrough-helps-your-feng-shui/)

BASIC Programming With No Strings Attached
https://hackaday.com/2026/01/09/basic-programming-with-no-strings-attached/

Yamato-1: the World’s First Ship With Magnetohydrodynamic Propulsion
https://hackaday.com/2026/01/10/yamato-1-the-worlds-first-ship-with-magnetohydrodynamic-propulsion/

Although the humble propeller and its derivatives still form the primary propulsion method for ships, this doesn’t mean that alternative methods haven’t been tried. One of the more fascinating ones …read more (https://hackaday.com/2026/01/10/yamato-1-the-worlds-first-ship-with-magnetohydrodynamic-propulsion/)

Texas Instruments Explain Low-Dropout Linear Voltage Regulators
https://hackaday.com/2026/01/10/texas-instruments-explain-low-dropout-linear-voltage-regulators/

Today in power electronics, the folks over at Texas Instruments have put together a video covering low-dropout (LDO) linear regulators. For a hacker, power is pretty fundamental, so it behooves …read more (https://hackaday.com/2026/01/10/texas-instruments-explain-low-dropout-linear-voltage-regulators/)

For the Fun of It
https://hackaday.com/2026/01/10/for-the-fun-of-it/

I was off at the Chaos Communication Congress last weekend, and one of the big attractions for one who is nerdily inclined is seeing all of the personal projects that …read more (https://hackaday.com/2026/01/10/for-the-fun-of-it/)

Multi-material Parts the Easy Way
https://hackaday.com/2026/01/10/multi-material-parts-the-easy-way/

You have a part that needs different colors or different material properties — with a multi-color 3D printer, no problem. You can also laboriously switch filaments on a single-color printer. …read more (https://hackaday.com/2026/01/10/multi-material-parts-the-easy-way/)

Simplifying the SmartKnob
https://hackaday.com/2026/01/10/simplifying-the-smartknob/