ANSWER: Entropy is the dispersal of energy. Read all about it here. One of the ideas involved in the concept of entropy is that nature tends from order to disorder.
The second law of "thermodynamics" (therme=heat + dunamis=power) is the science of the power or energy contained in heat. Entropy is wasted energy.
My TedxTalk on WHO DESERVES HAPPY EVER AFTERS?
5 weeks ago