Other technological advances made through the Paleolithic period were clothes and shelter; the adoption of both applied sciences can’t be dated precisely, however they were a key to humanity’s progress. As the Paleolithic era progressed, dwellings grew to become more refined and more elaborate; as early as 380,000 B.C.E., humans had been setting up momentary wooden huts. Clothing, adapted from the fur and hides of hunted animals, helped humanity expand into colder areas; people began emigrate out of Africa by 200,000 B.C.E. and into other continents, similar to Eurasia. The discovery and utilization of fire, a simple vitality source with many profound uses, was a turning point in the technological evolution of humankind. Human ancestors have been utilizing stone and other tools since lengthy earlier than the emergence of Homo sapiens approximately 200,000 years in the past.
- For the generation of power, see power conversion; coal mining; coal utilization; petroleum