Once i was wondering, what comes after our universe. So i began searching on the internet and spoke with other people who where familiair with quantum cosmology.
They gave me some good information which you can read here:
The simplest analogy is boiling water, which is a quantum effect. Tiny bubbles constantly form in the water and then expand very rapidly. If we treat the Universe like a bubble, then we see that our universe coexists with a sea of other bubbles.
Our universe, then, may be nothing but a quantum bubble, the result of a quantum fluctuation in an infinite ocean frothing with universes. In this infinite ocean called the "Multiverse" the vacuum is constantly spawning new universes. In this picture, "big bangs" constantly takes place each representing a quantum fluctuation in the vacuum.
Creating universes out of nothing may seem to violate cherished conservation principles until we realize that it takes no energy to create a universe. If the universe is closed liked a bubble, then the energy content of its matter is positive while the energy of its gravity is negative. The sum is exactly zero (i.e., because it requires positive energy to lift an object out of a gravitation well, the object's gravitational energy is negative). Thus it takes no net energy to create new bubbles which are contantly being created in the "sea of nothing". Universe are for free!
however, that there may not be life in these other universes. Most of them, in fact, are probably dead universes where the proton lifetime is less than, say, 10 billion years (the minimum time necessary to create stable organic chemicals, DNA, and Life itself).
These other universes may be lifeless seas of neutrinos, photons, and electrons -- incapable of combining to form life. Our Universe, in fact, may be one of the few universes that are compatible with Life.
Is Life, therefore, a special property of the Universe?
"It's as if the Universe was expecting us." For example, if the electric charge or the gravitational constant were changed slightly, then stable DNA molecules would not be possible. The strong anthropic principle, in fact, concludes that this proves the existence of a divine entity or "God".
There is the story of a Russian physicist visiting the United States for the first time, asking to be taken to Las Vegas. Considering him to be a seasoned gambler, his American hosts were curious to learn what his gambling strategy might be. The Russian said that he would put all his money every penny! on the first bet. But, his hosts protested, "That's a ridiculous strategy!". "Yes," he replied. "But in one parallel universe, I shall be rich beyond my wildest imagination."
Strange, but perhaps true. In millions of other universes, however, he will be broke.
This raises another delicate question. Can we visit these parallel universe? Can we walk down Main Street one day to find a hole in space emerging in front of us leading us to another dimension or universe like some episode of the Twilight Zone? Or can we wake up one morning finding ourselves in a world where our loved ones never heard of us?
What do you people think about the universe ??
