The use of tools by early people was partly a process of discovery, partly of evolution. Early people evolved from a race of foraging hominids which had been already bipedal, with a smaller mind than that of recent humans. Tool use remained relatively unchanged for many of early human historical past, but approximately 50,000 years ago, a fancy set of behaviors and tool use emerged, believed by many archaeologists to be linked to the emergence of fully-modern language. The invention of the printing press made it possible for scientists and politicians to communicate their concepts with ease, leading to the…
