Powers of 10 -- updated version of the old demo

Molecular Expressions: Science, Optics and You - Secret Worlds: The Universe Within - Interactive Java Tutorial

This version of the old powers of 10 demo goes from 10 million light years (10**23 meters) to 100 attometers (10 ** -16). It stops at quarks -- too bad -- it would be interesting to continue to the Planck length.

I'm struck again by how self-similar the views are until we drop down to a terrestrial scale.