by John Foley
I firmly believe that we should install pod cars in one way grids, as distinct
from two way linear systems.
Turn on GOOGLE EARTH and put it over any city. On the menu above the
image you will see a vertical BLUE RULER. Click on the ruler and fourth from the
left is CIRCLE. Click on CIRCLE and you get the radius, the area and circumference
of any circle that you draw. The area is what interests me.