Tiling a space with a repeated pattern that has no gaps or overlaps (a structure known as a tessellation) is what led mathematician [Gábor Domokos] to ponder a question: how …read more (https://hackaday.com/2024/11/23/3d-space-can-be-tiled-with-corner-free-shapes/)

Open Source, Forced Innovation, and Making Good Products
https://hackaday.com/2024/11/23/open-source-forced-innovation-and-making-good-products/

The open-source hardware business landscape is no doubt a tough one, but is it actually tougher than for closed-source hardware? That question has been on our minds since the announcement …read more (https://hackaday.com/2024/11/23/open-source-forced-innovation-and-making-good-products/)

3D Printed Boat Uses Tank Tracks For Amphibious Propulsion
https://hackaday.com/2024/11/23/3d-printed-boat-uses-tank-tracks-for-amphibious-propulsion/

Boats normally get around with propellers or water jets for propulsion. Occasionally, they use paddles. [Engineering After Hours] claims he is “changing the boat game forever” with his new 3D …read more (https://hackaday.com/2024/11/23/3d-printed-boat-uses-tank-tracks-for-amphibious-propulsion/)

Close Shave for an Old Oscilloscope Saved with a Sticky Note
https://hackaday.com/2024/11/23/close-shave-for-an-old-oscilloscope-saved-with-a-sticky-note/

When you tear into an old piece of test equipment, you’re probably going to come up against some surprises. That’s especially true of high-precision gear like oscilloscopes from the time …read more (https://hackaday.com/2024/11/23/close-shave-for-an-old-oscilloscope-saved-with-a-sticky-note/)

Forget Pixel Art: Try Subpixels
https://hackaday.com/2024/11/23/forget-pixel-art-try-subpixels/

[Japhy Riddle] was tired of creating pixel art. He went to subpixel art. The idea is that since each color pixel is composed of three subpixels, your display is actually …read more (https://hackaday.com/2024/11/23/forget-pixel-art-try-subpixels/)

RFID From First Principles and Saving a Cat
https://hackaday.com/2024/11/23/rfid-from-first-principles-and-saving-a-cat/

[Dale Cook] has cats, and as he readily admits, cats are jerks. We’d use stronger language than that, but either way it became a significant impediment to making progress with …read more (https://hackaday.com/2024/11/23/rfid-from-first-principles-and-saving-a-cat/)

$40 Ham Antenna Works Six Bands
https://hackaday.com/2024/11/23/40-ham-antenna-works-six-bands/

[My Ham Radio Journey] wanted to see if a “common person” (in his words) could build an effective vertical ham radio antenna. If you look at the video below, the …read more (https://hackaday.com/2024/11/23/40-ham-antenna-works-six-bands/)

Hacking the Soil to Combat Desertification
https://hackaday.com/2024/11/24/hacking-the-soil-to-combat-desertification/