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Created before 3500 a.C., qualifies as a fundamental invention for the human development, since from it could be manufactured machinery and transportation among other things, the inventors were the Mayans and the Aztecs
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it is a tool used to open hollows in the earth to sow seeds. appeared there by 3400 in the villages of Mesopotamia
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Created in the tenth century by the chineses, it was used to propel the projectiles of weapons nowadays used for fireworks. that be inroduced in 1200 in europe
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This mechanical method of producing texts and images generated a cultural revolution. appeared between 1000 and 1400 in China where it was used with rice paper.
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For the 1698 it made its great appearance and was very used during the industrial revolution for the movement of the machines
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Since its introduction in 1799 it had several variants regarding the analgesics that were incorporated. the ether dominated the market until 1960.
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The German scientists Gauss and Weber installed, in 1833, a thousand-meter telegraph line to connect the university with the astronomical observatory of Göttingen, a town in which they worked
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At first when it was created in 1860 by Nicolaus Otto they still did not have compression and instead they worked with air and blown fuel.
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It was discovered by Ernest Duchesne in 1897 in France revolutionized medicine and gave a new approach to the production of antibiotics against infections
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Este dispositivo electrónico, creado por William Bradford Shockley en 1947, es un semiconductor de energía. Hoy en día se puede ver en electrodomésticos, radios y televisores.
