I was wondering if anybody could define entropy and explain if it is a real of false perception?

Entropy is a measure of the disorder in nature. It is always increasing. To place order to something, you need to add energy. Naturally, things will become disordered if left to their own devices.





Here is a real life example...





When you fold clothes, take them to the doorway of your bedroom...toss them in to your room. What is the chance that they will all land in the correct places/drawers, muchless still folded? Not much of a chance...this is due to entropy...the disorder of the universe. If you want you clothes put away properly, you have to add energy by doing the work to put them in their proper places.I was wondering if anybody could define entropy and explain if it is a real of false perception?
Entropy increases in the positive direction of time. If you have a film or video and you run it backwards you know that it is backwards because you are watching entropy decrease. For example putting salt and pepper in a container and shaking it. When energy is changed from potential or mechanical to heat the energy is conserved but the available energy decreases. The mixing of hot and cold water to produce warm water conserves energy but it can no longer be used to run an engine or drive convection currents. In this case the ';order'; consist of the separation of hot and cold molecules, just like the order of separation of salt and pepper.