[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/)

Limiting Battery Risk On Repurposed Smartphones With PostmarketOS
https://hackaday.com/2026/02/01/limiting-battery-risk-on-repurposed-smartphones-with-postmarketos/

PostmarketOS is a Linux distribution specifically designed for those who wish to repurpose old smartphones as general-use computers, to a degree. This can be a great way to reuse old …read more (https://hackaday.com/2026/02/01/limiting-battery-risk-on-repurposed-smartphones-with-postmarketos/)

iPhone Becomes a Bluetooth Keyboard And Mouse
https://hackaday.com/2026/02/01/iphone-becomes-a-bluetooth-keyboard-and-mouse/

Sometimes you need to use a computer and you don’t have a spare keyboard and mouse on hand. [KoStard] figured an iPhone could serve as a passable replacement interface device. …read more (https://hackaday.com/2026/02/01/iphone-becomes-a-bluetooth-keyboard-and-mouse/)

A DIY Headset For SteamVR
https://hackaday.com/2026/02/01/a-diy-headset-for-steamvr/

The modern era of VR started a long time ago, and a wide range of commercial headsets have proliferated on the market since then. If you don’t want to buy …read more (https://hackaday.com/2026/02/01/a-diy-headset-for-steamvr/)

The Latest from RepRapMicron – Nail Gel, First Objects, and More
https://hackaday.com/2026/02/01/the-latest-from-reprapmicron-nail-gel-first-objects-and-more/

We’ve been following [Vik Olliver]’s progress on the μRepRap project with interest for some time now. The project’s goal is to build a 3D printer that can print feature sizes …read more (https://hackaday.com/2026/02/01/the-latest-from-reprapmicron-nail-gel-first-objects-and-more/)

Hackaday Links: February 1, 2026
https://hackaday.com/2026/02/01/hackaday-links-february-1-2026/

For many readers, more snow is the last thing they want to see right now…but what if it comes in the form of an online simulator in the style of …read more (https://hackaday.com/2026/02/01/hackaday-links-february-1-2026/)

Fixing Sony and Philips’ Doomed CD-i Console
https://hackaday.com/2026/02/01/fixing-sony-and-philips-doomed-cd-i-console/