Blacks and Science Volume Two

Blacks and Science Volume Two: West and East African Contributions to Science and Technology and Intellectual Life and Legacy of Timbuktu - Blacks and Science Volume Two Did you know any of the following facts? The Bamoun Kingdom, now in today's Cameroon, has 7,000 surviving manuscripts in their own script. Timbuktu astronomers used the cosine, tangent, cotangent, secant and cosecant functions of trigonometry. The Dogon of Mali had an early and wholly indigenous notion of ‘big bang' derived from a singularity. A number of iron and copper tools were excavated in Senegal that dated from 2800 BC. The total amount of gold mined in the desert regions of West Africa to the year 1500 was $35 billion at 1998 gold prices...