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The technological advances that human beings developed during the Paleolithic were the response to specific survival needs, such as hunting, cutting the meat of prey, digging up roots to eat, protection from animal attacks, shelter from cold weather, heating food or housing, etc.
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According to the investigations carried out by archaeologists and the evidence found, it was the Homo Erectus species who discovered fire, that is, fire was discovered 1.6 million years ago. -
Other technological innovations of the Neolithic are the written numerical systems, which would lead to proto-writing in different cultures, systems for grinding grain with stone mills, the loom and the manufacture of cloth clothing, the techniques of alcoholic fermentation and metallurgy.
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In Mesopotamia, the Sumerians invented cuneiform writing (approximately 3,000 BC) and in Egypt, Imhotep introduced natural stone into construction. At this time the city-states appear in Greece and the territorial empires (Rome) -
the wheel is considered the basis of technology and the evolution of man since almost everything that exists is accompanied by this valuable element. Being a simple machinery that rotates on an axis, its great utility within machines, transport and industry has been essential in the progress of humanity. -
Copper (Cu) is one of three metals that comprise what is called "the copper family" in the Periodic Table of the elements. The other three metals that make up this family are: silver (Ag), gold (Au) and roentgenium (Rg). Copper is characterized by being able to be found in nature in its pure or native state, that is, without combination with other elements. -
The Metal Age is the period of Prehistory approximately between the IV and the I millennium before Christ in Spain. The Age of Metals succeeds the Stone Age in the evolution of humanity, and constitutes the final stage of Prehistory.
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Bronze is a metallic alloy characterized by: It is an excellent conductor of electricity. It accumulates less heat than other metals, which is why it is used in the manufacture of industrial elements, since its use is safe. It is less rigid than other metals, making it an easy material to handle -
Applications in the production and distribution of electricity are the last of the great uses of iron in the form of steel. Electric generators, electric motors, steel-reinforced cables, transformers, etc., contain this metal. -
Since the man was in the ancient age he already possessed technologies created by the fact to defend himself or hunt, in the stone age the military technology only consisted of pointed stones, spears made of wooden sticks, clubs and bows, also for years armor made of animal leather was used.
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The period saw significant technological advances, including the adoption of gunpowder, the invention of horizontal windmills, spectacles, mechanical clocks and watermills, construction techniques (Gothic style, medieval castles), and improvements in agriculture in general. (crop rotation).
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Many inventions appear at this time. Three technological innovations stand out above the rest: the compass, cartography and firearms. Reconstruction of the reflecting telescope that Isaac Newton built in 1672.
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The Contemporary Age is the historical period between the French Revolution (1789) and the present. It is a time characterized by revolutions and by great artistic, demographic, social, political, technological and economic transformations.
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We are currently experiencing a great information revolution without realizing it and without fully knowing the technology that surrounds us. New changes mean that we have to constantly update ourselves in knowledge related to new technologies
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