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2,000,000 BC - The stone tools - axes, knives and spear-headed statistical significance rustic invented two of the earliest ancestors of the human genus, Homo habilis and Homo erectus, is considered the oldest inventions. How did the technology - It is possible that the ancestors of some people, the australopithecines, which lived about 4 million years, use of crude tools even more than those of habilis and erectus. Just so that chimpanzees are unaware of stone chips to open them with a knife or ax. But ask the stone floor of the forest that fit well in the hand and can be used as a hammer to break the coconut. As the australopithecines are very similar to chimpanzees, can be produced using the tool "natural" statistical significance as theirs. Thus, the distant ancestors prepared the ground for the emergence of real technology, two million years later. 500,000 BC - The first species to make use of fire Homo erectus, an ancestor of mankind relatively large brain. He measured 75% of the volume of the brain of Homo sapiens, a species that belongs to the people now. 40,000 BC - Homo sapiens chipped stone tools creates more accurate than those existing today. Among the "new technology", with scrapers made of leather (in the form of chipped stone blade) statistical significance and small arrowheads and polished. 20,000 BC - Around this time instruments are made of wood, bone and shell. It is also the date of the earliest evidence in the use of bow and arrow. The oil lamps, the lamps in the beginning, this is the time. 12,000 BC - the probable source of livestock in Africa and Europe. All indications are that the first domesticated dogs and goats. 7000 BC - Date safer for the invention of ceramic equipment. They may be older than this, but this time, is still known disseminated and used in different parts of the world. Nobody knows how is the discovery that burning certain kinds of clay makes it waterproof. Is it possible that the prehistoric man learned to make baskets in the first and then noted that the clay-lined basket has the advantage of retaining the water. 6000 BC - whether they are common fabrics made from flax, a plant located in different regions. Twisted branches of vegetable fibers found durable and flexible, good for weaving. Light, fresh, washable fabrics revolutionize the clothing, so now made of leather. 5000 BC - City region in what is now Iraq (perhaps that of Egypt also) create irrigation systems statistical significance for