The piano-mover puzzle involves trying to transport an oddly shaped load across a constricted environment with various obstructions. It’s one of several variations on classic computational ...

Think back to a time you helped someone move a heavy object, such as a couch. While at first the task may have appeared simple, it actually required a suite of advanced behaviors. The job needed ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Imagine this - you're locked in a grueling game of tug-of-war, pulling as hard as you can to keep your team from going down. More people join, and you're pulling with all your strength, or are you?