6.6 Entropy

Entropy—A Fireside Chat

An introduction to the concept of entropy, which is a measure of the tendency of energy to disperse. Duration: 5:51. [C0905a2]

What Is Time?

This video was the second place national finalist in the 2013 Flame Challenge in which scientists were asked to explain the nature of time to an average 11 year old. You'll note this video focuses on the dispersal of "particles". As per the first video of this chapter section on entropy, technically, it's the energy of those particles that is dispersing. Duration: 6:00.