Forever And Ever: The Infinite Spiral Loop Model Train Set This is a video of a model train set up in an infinite spiral loop. They just go and go and go and never get anywhere. That... August 17, 2015
Professor Visually Explains Gravity With Spandex, Marbles This is a video of physics teacher Dan Burns explaining the fabric of space and gravity through the use of a giant piece of stretched spandex and... December 4, 2013