077 - Object Interactions In this video Paul Andersen explains how object interactions can add or remove mass or energy from a system. Do you speak another language? Help me translate my videos: http://www.bozemanscience.com/translations/ Music Attribution Title: String Theory Artist: Herman Jolly http://sunsetvalley.bandcamp.com/track/string-theory All of the images are licensed under creative commons and public domain licensing: Costea, Bogdan.