18.8 Entropy

Entropy, Part 2

While energy is like money, entropy is the tendency of that money to be spent. Duration: 2:46.

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.