AN ARROW IN THE DARK SKY

We have called "time" the fact that we see things changing in only one direction. If you take an egg and crack it to make an omelet, it won't come back no matter what you do. Everything in the universe started from a single point of energy where every single thing that exists now existed, and it started to expand, this led to more and more change of this kind (called entropy) where we go from very ordered systems (see a point) towards messy systems (a cracked egg). In the case of the universe, it will lead to a universe with only atoms scattered around. The other thing we see is the arrow of time, and the fact that everything goes towards what we have called the "future". Nothing can ever ever ever go back. What humans have invented are systems to measure all of this and concepts to define…