What is cement? History of Architecture
History of cement: An underground mithraeum in the Roman port town of Ostia History of cement Cement is a very hard kind of rock that people make themselves. People all over [...]
25
05, 2017
19
05, 2017
Stone Tools in early Africa – African technology
Early basalt choppers from Olduvai Gorge (Tanzania) The first stone tools Chimpanzees use stones to hammer on nuts and break them open, and they collect stones to throw at enemies. [...]
19
05, 2017
History of Fire
History of fire: San men around a campfire The first campfires Probably people were all still in Africa when they first began to use fire for cooking, about 800,000 or [...]
19
05, 2017
African Math – Fractions and algebra
African math: Lebombo tally stick (35,000 BC) The first tally sticks African people were the first people anywhere in the world to use counting to keep track of their things, [...]
19
05, 2017
African Science and African Inventions – History of Science
African science: Standing stones at Nabta Playa (modern Sudan), ca. 6000 BC The earliest scientists African people made the earliest, and the most important, scientific inventions. And they kept on [...]
19
05, 2017
History of Gold
History of gold: Gold bust of the Egyptian pharaoh Tutankhamon (ca. 1300 BC) People have been using gold to make jewelry since the Stone Age. You can find it just [...]
