Pre-Computer History of PiSave
Explains the early methods of approximating this famous constant, which is used in measuring the area of a circle. Page includes the dates and names of people who were influential in improving these calculations. http://personal.bgsu.edu/~carother/pi...
The Mystery Of The AlephSave
This article from the "Washington Post" covers the development of the concept of infinity, from the fifth to the second century B.C., and includes the main findings of Archimedes and the Pythagorean school. [Requires free registration.] http://www.washingtonpost.com/wp-srv/...