May 28, 2017

Review: Hypatia of Alexandria by Michael A.B. Deakin.

On sale now!

It seems that the further back you go, the less certain we are of facts in our very own history. Stories become more legendary, tales more fantastical. History seems to love a good story and never cares for any of the pesky hard truths that sometimes get in the way. [Read more...]

Measuring the Circumference of the Earth: the Eratosthenes Method

  This is one I duplicated in High School that I first heard about on Carl Sagans’ Cosmos series.  Way back in the 3rd Century BC, the Greek philospher Eratosthenes of Cyrene devised a method of calculating the circumference of the Earth. [Read more...]