National Institute of Standards and Technology
This flaking produced a sharp edge on the core stone as well as on the flakes, either of which could be used as tools, primarily in the form of choppers or scrapers. The use of tools by early humans was partly a process of discovery, partly of evolution. Early humans evolved from a race of foraging hominids which were already bipedal, with a brain mass approximately one third that of modern humans.
- The use of basic technology is also a feature of non-human animal species.
- For example, science might study the flow of electrons