Skimming Satellites: On the Edge of the Atmosphere
https://hackaday.com/2026/01/22/skimming-satellites-on-the-edge-of-the-atmosphere/

There’s little about building spacecraft that anyone would call simple. But there’s at least one element of designing a vehicle that will operate outside the Earth’s atmosphere that’s fairly easier …read more (https://hackaday.com/2026/01/22/skimming-satellites-on-the-edge-of-the-atmosphere/)

STL Editing with FreeCAD
https://hackaday.com/2026/01/22/stl-editing-with-freecad/

[Kevin] admits that FreeCAD may not be the ideal tool for editing STL files. But it is possible, and he shares some practical advice in the video below. If you …read more (https://hackaday.com/2026/01/22/stl-editing-with-freecad/)

New Drug Hopes To Treat Sleep Apnea Without Masks
https://hackaday.com/2026/01/22/new-drug-hopes-to-treat-sleep-apnea-without-masks/

Sleep apnea is a debilitating disease that many sufferers don’t even realize they have. Those afflicted with the condition will regularly stop breathing during sleep as the muscles in their …read more (https://hackaday.com/2026/01/22/new-drug-hopes-to-treat-sleep-apnea-without-masks/)

Touchless Support Leaves No Mark
https://hackaday.com/2026/01/22/touchless-support-leaves-no-mark/

[Clough42] created a 3D print for a lathe tool and designed in some support to hold the piece on the bed while printing. It worked, but removing the support left …read more (https://hackaday.com/2026/01/22/touchless-support-leaves-no-mark/)