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Ts`ai Lun invented paper in AD 105, in China, from waste cloth
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He is said to have built a 9x instrument, which is sometimes claimed to have been made with the help of his father
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In 1610, Italian astronomer Galileo Galilei looked up at the heavens using a telescope of his making. And what he saw would forever revolutionize the field of astronomy, our understanding of the Universe, and our place in it
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Italian physicist Alessandro Volta discovered that certain chemical reactions could produce electricity, and in 1800 the first voltaic pile (an electric battery) was built
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Joseph Aspdin and James Parker patented Portland cement in 1824, named for its dark greenish-gray color similar to Portland stone. Isaac Johnson, in 1845, obtained the prototype of modern cement, with a mixture of limestone and clay calcined at high temperature.
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other inventors, the telegraph revolutionized long-distance communication. It worked by transmitting electrical signals over a wire laid between stations. In addition to helping invent the telegraph, Samuel Morse developed a code
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invented the telephone. ... In 1876 he developed the telephone financed by his in-laws. 2 Other theories attribute the invention to Antonio Meucci.
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Dynamite was invented by Alfred Nobel in 1866 and patented in 1867. Its use in the exploitation of the oil fields of Baku (Azerbaijan) earned its creator a great fortune, which is used to award the Nobel Prize.
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Nikola Tesla (1856-1943) is considered by many to be the true inventor of the radio, although it was Guglielmo Marconi (1874-1937) who filed the patent in 1904. As a consequence, in 1909, Marconi received the Nobel Prize in Physics for his contribution to wireless telegraphy
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Wilhelm Conrad Röntgen (1845-1923), a German scientist at the University of Würzburg, discovered radiation (of unknown origin at that time, hence its name X-rays) that had the property of penetrating opaque bodies
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He is undoubtedly John Logie Baird, British engineer and physicist, inventor of mechanical television. He invented the first public television system and the first revolutionary color television tube. It all started in 1884
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On December 2, 1942, a group of European nuclear physicists, emigrated to the United States and led by the Italian physicist Enrico Fermi, set in motion the first man-made nuclear chain reaction in the history of nuclear energy with the intention to apply energy for the first time
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It was first released to consumers in 1997, when a committee called 802.11 was created. This led to the creation of IEEE802.
