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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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