Entropy, according to Boltzmann, is what is probable. Objects
with low entropy are tidy and therefore unlikely to exist. High entropy
objects are untidy therefore more likely to exist. Entropy always
increases because it is much easier for things to be untidy!
You see,
untidiness implies some sort of change. Its the law of the universe to
make changes. It's how the galaxies, stars, the Sun, solar system, earth
and life all evolved after the big bang. Get into a forest, are the trees and plants arranged into prefect rows and columns? Observe the night sky, are the stars arranged in any manner? Gravity tends to bring some order in the system through dictating the distance each object has to keep with relation to its mass. But overall, untidiness still apply.
It is also thought to be behind the property known as the "Arrow of Time", the phenomenon that time never seem to or cannot be driven backwards (you know, time traveling and all). For us to go back in time (say, April 14th, 1912) everything, including quantum level particles like photons, electrons etc, needs to be put back into place, where it belonged, on that date. This seemingly violates Heisenberg's uncertainty principle which, simply put, states that the position or momentum of a particle can never be determined for certain simultaneously. This is the reason we can only theorize "cloud of electrons" and "waves of photons" and such.
Look at a lamp and close your eyelids as near as possible to a narrow slit. You will observe the image of the lamp streaking out! This is because as you are closing your eyelids you are going closer to catching a photon by permitting them inside by lesser and lesser amounts. But as you approach to catching one, Heisy's principle kicks in and those few protons that did enter your eyeball suddenly increase their momentum to disperse even more! This is the streaking that you see. Yes, your eyelashes might interfere with your activity. Check out this wonderful video of the same experiment with a laser.
Applying this perspective to a macroscopic level, no matter how hard you
keep your things tidy, they're going to mess up at some point of time. Like the laser experiment above, the more you are trying to take control of things the more overwhelming it becomes.
What is material possession after all? They are going to end up in
someone else's hands or get destroyed after your lifetime. This is the law of nature. Everything has to keep moving.
By the way, Boltzmann's inspiring theory of entropy wasn't very popular among the physicists at the time because it was hard to understand for them. Hell, they could have taken a hard look at their own houses to get a grasp of it! Boltzmann spend the remainder of his life trying to support his theories and ultimately committed suicide out of severe depression. Now that's a bummer. It is said that those who claim to completely understand quantum physics is either lying or they are crazy. It's just like the claim itself is violating some other quantum theory that is yet to be discovered!
Enjoy reading and be open to the things that world has to offer.
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