Power Law Relations

Crumple pieces of paper of different sizes and measure the diameters of the paper balls.
One experiment gave the results on the left.
Plotting Log(mass) vs Log(diam), we see the points fall almost along a straight line of slope 2.5.
This data supports a power law relation of the form
mass = k⋅diam2.5
Crumpling the paper introduces spaces of a range of sizes. There is a hierarchy of space sizes, a few large, many small.
Consequently, a crumpled paper ball is a fractal.
You have been manufacturing fractals as long as you've been crumpling paper and tossing it in the wastebasket.

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