#3 Right in the middle of our universe are steps 101-to-103.

Step 101: The diameter of typical human hair.

The range, from 17 to 181 microns, begins within step 100, includes all of 101 and goes into 102.

There is something magical in these steps that are right in the middle of this universe. Life begins. Just how unusual is it? Possibly it is almost beyond belief.

This scale of the universe is quite unusual. It gives life a special place. For each notation we simply look for things that are within its size range, a very definitive length.

Keys Ideas: This has been a compelling educational experience. It gives a special importance to the nature of space. Human hair, the width of paper, and the female egg, within this scale of lengths, are all right in the middle of 13.78 billion light years. It is right in the middle of our human scale, essentially notations 67 to 137. Given the entire universe, from the smallest to the largest conceivable measurements, a few of the keys to human life are right in the middle. It gives one a reason to stop and think a little.

Now, the next symbolic division of our universe would be division by three. Because those results stretched our imaginations, before looking at both as major transition points, it might be helpful to find our child within.

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More notes about the how these charts came to be: The simple conceptual starting points An article (unpublished) to attempt to analyze this simple model. There are pictures of a tetrahedron and octahedron. A background story: It started in a high school geometry class on December 19, 2011. The sequel: Almost two years later, a student stimulates the creation of this little tour.

Wikipedia on the Planck length Wikipedia on the Observable Universe

The universe divided in thirds: The old logic of the Small Scale, the Human Scale, and the Large Scale universe is in play, yet here the starting points are quite different than the historical use of those terms. Here the ranges for each are defined by simple math.

The simple geometries. If the Planck Length is defined as a single vertex at notation 1, by step 65, it becomes a major structural enterprise. There are over 36 quintillion vertices with which to build an infrastructure for the physical world. The proton-fermion-electron appear to manifest at step 66. This small scale universe of geometry and numbers is unexplored within such a framework. Because it cannot be measured, it will be a science of basic logic and perhaps the very nature of a many-sided perfection and how things become imperfect.