Willow Bark-Ancient Africans used willow bark to get salicylic acid which relives pain. Today its used in Asprin.
Water Clock-Its used to tell time. A figure rises and points to the temporal hour as water fills the cylinder that empties into a drum. The drum rotates the hour cylinder once a year.
Astronomy-The Africans divided the year into twelve parts and developed a year-long calender system with 365 1/4 days.
Water Clock-Its used to tell time. A figure rises and points to the temporal hour as water fills the cylinder that empties into a drum. The drum rotates the hour cylinder once a year.
Astronomy-The Africans divided the year into twelve parts and developed a year-long calender system with 365 1/4 days.