This is a video of Jason of Mount Baker Mining And Metals discussing and demonstrating the process in which beer and liquor (plus some pasta sauce) bottles are recycled into sand. Basically it involves using a jaw crusher and then hammer mill with progressively smaller screen size to reduce the

Theis is a video of Sand Drawing Robot 2.0, a robot built by Ivan Miranda that crawls along the beach leaving pre-programmed text in its wake. It “uses 50 mini servos to doodle, two mini tanks to drive, and Arduino Mega controllers for its digital brains.” That’s cool. Obviously, if