Brian W
03-03-2011, 08:21 PM
With all apologies to Mary Poppins the following link gives one of the easiest to understand explanations of the size and speed of everything that I have ever enjoyed.
Brian
http://www.youtube.com/watch?v=44DlSj6bnn4
Brian
http://www.youtube.com/watch?v=44DlSj6bnn4