When most of us get that package in the mail from Amazon or wherever, we tend to throw the cardboard box away. We might keep a few for household items, or to send packages ourselves. But mostly, they ...

Jelle Bakker, who has a fondness for complex marble runs, made this epic 750-feet long sand track that descends some 125 feet from its start to its finish. The 12 marbles competing in this video take ...

There are few things that can keep a certain kind of mechanically-inclined mind entranced as well as a marble run, and few structures that look as interestingly organic as procedurally-generated ...