[Augusto Marinucci] liked the classic Cartier Tank series of dress watches aesthetic, but wanted something a bit more techy, with a decent runtime on a single battery. E-Ink displays are …read more (https://hackaday.com/2024/01/26/a-diy-e-ink-tank-watch/)

Building A Cable-Driven Delta Printer
https://hackaday.com/2024/01/26/building-a-cable-driven-delta-printer/

Most of us have played with a Cartesian-style 3D printer. Maybe you’ve even built a rigid delta. In this case, [Diffraction Limited] decided to a little further away from the …read more (https://hackaday.com/2024/01/26/building-a-cable-driven-delta-printer/)

Hacking A Xiaomi Air Purifier’s Filter DRM To Extend Its Lifespan
https://hackaday.com/2024/01/26/hacking-a-xiaomi-air-purifiers-filter-drm-to-extend-its-lifespan/

When [Unethical Info] was looking at air purifiers a while back, their eye fell on a Xiaomi 4 Pro, with a purchase quickly made. Fast-forward a while and suddenly the …read more (https://hackaday.com/2024/01/26/hacking-a-xiaomi-air-purifiers-filter-drm-to-extend-its-lifespan/)

Nanotechnology in Ancient Rome? There Is Evidence
https://hackaday.com/2024/01/26/nanotechnology-in-ancient-rome-there-is-evidence/

Anything related to nanotechnology feels fairly modern, doesn’t it? Although Richard Feynman planted the seeds of the idea in 1959, the word itself didn’t really get formed until the 70s …read more (https://hackaday.com/2024/01/26/nanotechnology-in-ancient-rome-there-is-evidence/)

A ZX Spectrum Raytracer, in BASIC
https://hackaday.com/2024/01/26/a-zx-spectrum-raytracer-in-basic/

https://gabrielgambetta.com/zx-raytracer.html
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2024/01/Screenshot-from-2024-01-25-20-58-55-featured.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2024/01/Screenshot-from-2024-01-25-20-58-55-featured.png?w=800">[Gabriel Gambetta] knows a few things about ray tracers, being the author of Tiny Raytracer, a raytracer written in just 912 bytes of JavaScript. As a long-time fellow sufferer of …read more (https://hackaday.com/2024/01/26/a-zx-spectrum-raytracer-in-basic/)

Soldering Holder from Old Lamps
https://hackaday.com/2024/01/27/soldering-holder-from-old-lamps/

One of the neat things about 3D printing is that you can create custom parts to fit salvage to use in projects. For example, [Willyrags05] took a lamp — looks …read more (https://hackaday.com/2024/01/27/soldering-holder-from-old-lamps/)

A Hydroelectric Dam, Built Out of LEGO
https://hackaday.com/2024/01/27/a-hydroelectric-dam-built-out-of-lego/

Hydroelectric dams are usually major infrastructure projects that costs tens of millions of dollars to construct. But they don’t have to be — you can build your own at home, …read more (https://hackaday.com/2024/01/27/a-hydroelectric-dam-built-out-of-lego/)