With all that we know about the universe, why are there so many questions that we cannot answer? If time is a dimension, then why can we not travel in it as we can in space? Why can no physical reason be found for why the speed of light is what it is? Why, as Einstein told us, is it absolutely constant and is the maximum possible velocity? Why would the speed of light affect the mass of an object and the passage of time? Einstein told us the way the universe operates but did not tell us why. What about matter? Why is there not just empty space? Matter revolves around two electric charges in the universe but why is there two charges and from where do they originate? As it turns out, there is a simple model of the universe that answers all of these questions. This model also reveals that the way we perceive the universe is not only because of what it is, but because of what we are.
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