Discover the creative process behind two unique DIY coin sorting machines in this comprehensive tutorial. Learn how to build a wooden coin sorter using basic woodworking techniques, and see a ...

Marble machines are a fun and challenging reason to do engineering for the sake of engineering. [Engineezy] adds some color to the theme, building a machine to create 16×16 marble images automatically ...

Introduction Does your community have single-stream recycling, which allows you to mix materials into one recycling container? Have you ever wondered how those materials all get separated so they can ...