[Alex Hao] and [Andreas Bastian] of Lumafield recently visited with [Adam Savage] to share their battery quality report, which documents their findings after performing X-ray computed tomography scans on over …read more (https://hackaday.com/2026/01/31/lumafield-peers-into-the-18650-battery/)

Building a Metal 3D Printer with a Laser Welder
https://hackaday.com/2026/02/01/building-a-metal-3d-printer-with-a-laser-welder/

The development of cheaper, more powerful lasers has always been a cause for excitement among hackers, and fiber lasers are no exception. One of the newer tools they’ve enabled is …read more (https://hackaday.com/2026/02/01/building-a-metal-3d-printer-with-a-laser-welder/)