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3.3 million years ago: The first tools. The history of technology begins even before the beginning of our own species. Sharp flakes of stone used as knives and larger unshaped stones used as hammers and anvils have been uncovered at Lake Turkana in Kenya. The tools were made 3.3 million years ago and thus were likely used by an ancestor such as ...
Earth's history with time-spans of the eons to scale. The history of Earth concerns the development of planet Earth from its formation to the present day. Nearly all branches of natural science have contributed to understanding of the main events of Earth's past, characterized by constant geological change and biological evolution.. The geological time scale (GTS), as defined by international ...
1 de mar. de 2020 · Abstract A technology revolution in Earth observation sensor design is occurring. This revolution in part is associated with the emergence of CubeSat platforms that have forced a de facto standardization on the volume and power into which sensors have to fit. The extent that small sensors can indeed provide similar or replacement capabilities compared to larger and more expensive counterparts ...
27 de may. de 2024 · history of technology, the development over time of systematic techniques for making and doing things.The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both fine and applied.When it first appeared in English in the 17th century, it was used to mean a discussion of the applied arts only, and ...
1 de jul. de 2005 · The evolution of this planet and its atmosphere gave rise to life, which shaped Earth's subsequent development. Our future lies in interpreting this geologic past and considering what changes ...
Hace 3 días · Evolution, theory in biology postulating that the various types of living things on Earth have their origin in other preexisting types and that the distinguishable differences are due to modifications in successive generations. The theory of evolution is one of the fundamental keystones of modern biological theory.
23 de may. de 2024 · Summarize This Article human evolution, the process by which human beings developed on Earth from now-extinct primates.Viewed zoologically, we humans are Homo sapiens, a culture-bearing upright-walking species that lives on the ground and very likely first evolved in Africa about 315,000 years ago. We are now the only living members of what many zoologists refer to as the human tribe, Hominini ...
