DIY Hydrophone Listens In On The Deep For Cheap

The microphone is a pretty ubiquitous piece of technology that we’re all familiar with, but what if you’re not looking to record audio in the air, and instead want to listen in on what&…

Making High Quality Copies Of Existing Parts Using A Silicone Mold

3D printing has made it incredibly easy to produce small runs of plastic parts, but getting rid of the 3D printed look can be tricky and time-consuming. When you need a smooth and polished finish, …