6 Comments CherryPie on Jul 2nd 2013
Geometry has two great treasures; one is the Theorem of Pythagoras; the other, the division of a line into extreme and mean ratio. The first we may compare to a measure of gold, the second we may name a precious jewel.
Johannes Kepler (1571 – 1630)
10 Comments CherryPie on Jun 30th 2013
12 Comments CherryPie on Jun 30th 2013
10 Comments CherryPie on Jun 28th 2013
8 Comments CherryPie on Jun 28th 2013

















