Eli5 how is the universal entropy constantly increasing?
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Imagine a small box with a lid. You put in 4 dice, one in each corner, nice and snug. You close the lid and now you give it a good shake.
Open the box: are the dice in the same position? Probably not.
There’s only a couple of ways for the dice to be orderly in their corners, but a gazillion ways for the dice to be wherever they can be. So it’s much more likely that the dice are in just a random position/orientation/etc.
Nothing stays stuck in a nice orderly way in the long run. Changes happen. And this will keep happening until there’s nothing left to change.
If you leave the box alone then maybe the dice can stay organized. But not everything in the world is stashed safe like the box with 4 tidy dice.
And if somebody keeps shaking the box and you try to organize the box again every time, although the box is now more organized again, the room, or your own body, *the box’s surroundings* have now become less organized, actually.
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