Ask HN: Why there are no infinite number of flies in a room?
Imagine a room on a sunny day, and flies (insects) in that room. You kill all the flies. Next day, new flies are back. Why there are that many flies in the room, not more or less?
If there was a constant inflow of flies into the room, after some time you would have an infinite number of flies. I never heard of this happening!
One could argue that there is a constant number of flies per volume outside the room and when you kill all the files in the room, there is a negative gradient of flies and the insects will "naturally" move to the room. But such a "fly pressure" would require the flies to bounce from each other, like atoms, which does not seem to happen.
If there was a constant inflow of flies into the room, after some time you would have an infinite number of flies. I never heard of this happening!
One could argue that there is a constant number of flies per volume outside the room and when you kill all the files in the room, there is a negative gradient of flies and the insects will "naturally" move to the room. But such a "fly pressure" would require the flies to bounce from each other, like atoms, which does not seem to happen.
Or maybe flies are territorial animals?