Researchers at Stanford University recently came up with an interesting way (Phys.org summary) to create patterns and colors that emerge when a polymer is exposed to water. Although the paper …read more (https://hackaday.com/2026/01/23/polymer-skins-that-change-color-and-texture-when-exposed-to-water/)

Beer Keg Plumbing for a Liquid Rocket
https://hackaday.com/2026/01/23/beer-keg-plumbing-for-a-liquid-rocket/

When you think of a high performance liquid rocket, what do you think of? Beer kegs? No? Well, when [Ryan] from the YouTube channel “Project KegRocket” saw a beer keg, …read more (https://hackaday.com/2026/01/23/beer-keg-plumbing-for-a-liquid-rocket/)