The Ishango Bone: The World’s Oldest Period Tracker?
THE FIRST MATHEMATICIANS
An incredible artifact dated between 11 and 20,000 years old, the Ishango Bone’s notched surface has been the topic of debate since its finding in 1960.
The Ishango bone is an ancient artifact found in 1960 off the shores of Lake Edward, near the modern border of Uganda and the Democratic Republic of Congo.
