According to the string theory, the whole universe (called the “bulk universe“) has 11 dimensions - 10 dimensions of space and one dimension of time. The reason why we experience only three dimensions of space is because we are confined in a sub-universe called the “braneworld“. In physics, a dimension can be considered as a “degree of freedom”. Living in a world with more dimensions should have more degrees of freedom, and thus more powerful. This can be illustrated by imagining that there is a red square on this page, 2 dimensional.
Suppose there is a creature confined on this web page (a two dimensional world), then he cannot enter the red square from outside without crossing the red lines. However, for us living in the three dimensional world, we can reach inside of the square from the direction perpendicular to the web page. Similarly, for a creature living in the higher dimensional world than our 3D world, he can enter into our house without the need to open the door. He can even reach our internal organs without cutting the skin. This is hard to visualize with our brain, but it can be shown from the geometry developed by Bernhard Riemann in 1854.
Our braneworld is embedded in the higher dimensional bulk universe, similar to a computer screen in our house. If God is some intelligent life living in the bulk universe, He should be far more powerful than us, because He has more degrees of freedom. He can access our internal organs from other directions that are invisible to us. Therefore, He has the power to remove lung tumors without cutting the skin. He could influence our decision making by altering the neurotransmitter release at the junction (synapse) between neurons.
Although God could perform all kinds of miracles, it seems that He does not intend to do things that obviously break the physical laws of our braneworld. We never saw a chair fly by itself or a sofa suddenly disappear. If this happens, our scientific foundation would be in trouble. Then, what kind of miracles would God do?
Our physical laws do not fix all future courses. Many phenomena are probabilistic, rather than deterministic. For example, meteorologists can predict weather only with certain probability. The genes of a child cannot be completely determined from the genes of his or her parents. “To be or not to be” is determined by the neurotransmitter release which is also probabilistic.
God may perform miracles by manipulating the probability allowed by physical laws.
Many people became God’s believers after surviving from a serious illness or a severe car accident. Other God’s believers may encounter some kind of “coincidence” that saved their lives or made their lives better. They believed those rare events were the miracles from God, but atheists thought these people were just lucky.
Are we just lucky to have millions of goldilocks conditions that made life possible on the Earth? If the Earth is a little of bit closer or farther from the Sun, its surface temperature would be too hot or too cold for the existence of life. Its atmospheric gases also have the just-right combination so that they can block most harmful radiation from the Sun while allowing visible light to pass through. The location of our solar system in the Milky Way Galaxy is also just right. If it were close to the galactic center, it would expose to significant amount of harmful radiation from other stars. If too far away, the Sun would not have enough “metals” (defined by astronomers as the elements heavier than helium) for the creation of planets. Theists believe these fine-tunings are the intelligent design by God, but atheists think we are just lucky: our universe contains billions of stars and planets, each having different characteristics; our Sun and Earth just happened to possess all of the right characteristics.
Now, consider the fine-tuning of physical constants. If the electromagnetic force were 4 percent weaker, there would be no hydrogen atom. If protons were 0.2 percent heavier, they could decay into neutrons and the atom would fall apart. The strong nuclear force must be tuned to within 1%, otherwise carbon cannot be formed. The weak nuclear force must also be tuned to a narrow range in order to produce heavy elements. To explain these fine-tunings, atheistic scientists assume that the whole universe (bulk universe) may contain almost infinite number of sub-universes (braneworlds), each having a different set of physical constants. Our braneworld just happened to have the right physical constants.
What a great coincidence!
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