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It was called stone age by the stone tools that were used for hunting and gathering, the stone tools, fire and clothing were developed at that time, music was also developed, some means of transport such as canoes. This age is also known as the Paleolithic age and ended as a Neolithic
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This age began after the Neolithic revolution which led to agriculture, domestication and permanent statistics in one place. This current led to the improvement of weapons, you no longer have weapons with stone but began to melt copper and later bronze. This stage was carried by knowledge to various places over time.
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It began after the development of the necessary technology for the work of iron, a material that replaced bronze and enabled the creation of more resistant and cheaper tools. The most efficient tools in all areas resulted in more technological advances, industry development and also more time for rest.
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Etymologically the word paper comes from Papyrus, support used by the Egyptians to make their writings. But really, it wasn't until 105 A.D. when in China it began with the manufacture of paper similar to that of today. Made paper based on bamboo, mulberry, rice, straw, silk, among others. This technique was guarded by the Chinese as a great secret for a long period of time.
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History of the compass. It was created in China approximately in the ninth century in order to determine directions in the open sea, and initially consisted of a magnetized needle floating in a vessel filled with water. Compasses may operate on magnetic or gyroscopic principles or by determining the direction of the Sun or a star.
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Between 1041 and 1048, Bi Sheng invented in China - where a type of rice paper already existed - the first printing system of movable types, based on complex porcelain pieces in which Chinese characters were carved. In the West, it would be in the year 1440 when the invention is finally attributed to the German Johannes Gutenberg, the so-called "Father of Printing".
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Between 1041 and 1048, Bi Sheng invented in China - where a type of rice paper already existed - the first printing system of movable types, based on complex porcelain pieces in which Chinese characters were carved. The invention is attributed to the German Johannes Gutenberg, the so-called "Father of the Press"
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Before the twentieth century and the beginning of the same, the formulation and preparation of medicines was done by a single pharmacist or with the pharmaceutical master. From the twentieth century, the development of medicines is the responsibility of the modern pharmaceutical industry, although pharmacists continue to coordinate and investigate the formulation and preparation of medicines in large pharmaceutical companies.
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The study of the origin, foundations and characteristics of electricity goes back to the times of the Greek Philosophers. Thales of Miletus (7th century BC) noted that when two pieces of amber are rubbed together, they have the power to attract or repel other types of light elements.
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The idea of a simple machine originated with the Greek philosopher Archimedes around the third century BC, who studied simple machines: Lever, pulley, and screw. He discovered the principle of the mechanical advantage of the lever. James Watt he was the inventor of the steam engine.
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It was until 1879 that Carl von Linde created the first domestic refrigerator, which was marketed by General Electric until 1927. Currently, domestic refrigerators are more practical and environmentally friendly models, and operate through a gas compression system, usually kerosene or butane.
