Information about each path can be imagined as a vector, called phase. Different phases can enhance or diminish each other. Adding up all the phases enables us to calculate the probability of the particle reaching point B.
The laws of nature seem mysteriously crafted to allow for complex life. Scientific explanations involve the existence of multiple universes with different sets of laws. Thus, a universe with our set of laws is no more special than the unique configuration of our solar system or the very planet we live on.
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The major impediment to experiencing the sacred depths of ordinary moments is the speed and distraction of contemporary life that moves to the imperatives of the global economic order.In addition we increasingly live in a virtual world in which our reality is filtered through media and information technology.