technologys

Organized efforts to seek for extraterrestrial intelligence have used radio telescopes to detect signs of technology use, or technosignatures, given off by alien civilizations. In drugs, new technologies were developed for analysis , treatment , and research . An array of Neolithic artifacts, together with bracelets, axe heads, chisels, and sharpening toolsThe Neolithic Revolution led to an acceleration of technological innovation, and a consequent increase in social complexity. The invention of the polished stone axe was a serious advance that allowed large-scale forest clearance and farming. This use of polished stone axes increased greatly in the Neolithic but was originally used within the preceding Mesolithic in some areas corresponding to Ireland. Agriculture fed larger populations, and the transition to sedentism allowed for the simultaneous elevating of more children, as infants not wanted to be carried around by nomads.

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The screw, …