HISTORY OF TECHNOLOGY - 0 views
-
The history of human technology begins with the discovery of how to give stone a cutting edge. The type of stone found most suitable for the purpose is flint.
-
The human discovery that round nodules of flint can be split and chipped to form a sharp edge is extremely ancient. Tools made in this way have been found in Africa from about 2.5 million years ago
-
An event of crucial importance in the development of technology is man's taming of fire. This probably happens some 500,000 years ago in China, where the caves occupied by Peking man contain what appear to be hearths. Some experts believe there is evidence of the use of fire much earlier in south Africa.
- ...6 more annotations...