and now that I have attracted your attention, take a look at the link Please Register or Log in to view the hidden image!, someone brought to my attention on another site, it rocks imo http://htwins.net/scale/index.html
the link checks out. Google says its ok mcafee says its ok Zoom from the edge of the universe to the quantum foam of spacetime and learn the scale of things along the way! Press left or right or drag the scroll bar to zoom in and out. Press down to toggle quality.
First one of these "powers of 10" things where the atom is sort of the center of the scale. That's impressive, when you have to zoom a while to get down to the fabric of the universe from an atom's size.