The Evolution of Humans and Technology Part 2: Technology
In this chapter we will examine the evolution of tool use. There are three specific ideas that I hope to introduce here. The first is that our tools evolve in parallel to ourselves, each adapting to changes in the other and to social and environmental pressures. Tools are invented and improved by these pressures, and the same pressures move some tools into prominence and others into obsolescence.
We will again discuss Dynamic Environmental Focus (DEF), and how it may have enabled us to use group dynamics to survive in a hostile environment that would have killed more individualistic animals. DEF also plays an unconscious part in our adoption and adaptation of tools. Specifically, in order to become truly useful, a tool must allow the user to shift their attention without accidentally endangering themselves and those around them.
Before we get to those ideas though, in order to truly understand tool use, we have to look backwards a little ways.
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