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It was invented in China in about the 9th century to determine directions in the open sea, and initially consisted of a magnetized needle floating in a vessel filled with water. The Chinese discovered in the 9th century but arrived in Europe around the year 1300
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Gutenberg invents modern printing press. Some people before Gutenberg improved the printing press but no one before he got to invent the modern printing press
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Hans Lippershey, a German lens manufacturer, is considered the inventor of the telescope and Galileo Galilei when receiving news of this invention decided to design and build one
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James Watt builds the double-effect steam engine. Before it had already invented several steam engines, but this was the one that was used for the manufacture of objects in the industrial revolution.
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An electric battery or electric battery is the industrialized and commercial format of the galvanic or voltaic cell. Alessandro Volta invented it.
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A camera is a device used to capture images or photographs. William Talbot invented it.
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An internal combustion engine, explosion engine or piston engine, is a type of machine that obtains mechanical energy directly from the chemical energy of a fuel that burns inside the combustion chamber. He was invented by Jean Joseph Etienne Lenoir.
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The telephone is a telecommunication device designed to transmit acoustic signals at a distance by means of electrical signals. It was invented by Antonio Meucci.
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An explosion engine is a type of internal combustion engine that uses the explosion of a fuel, caused by a spark, to expand a gas by pushing a piston. Nikolaus August Otto invented it.
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Electromagnetic waves are a type of variable electromagnetic field, that is to say, a combination of electric and magnetic fields oscillating, that propagate through the space transporting energy from one place to another. Hertz discovered them.
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The video camera, camcorder or television camera is a device that captures images by converting them into electrical signals, in most cases a video signal, also known as a television signal. It was invented by the Lumière Brothers.
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Television is a system for the transmission and reception of images and sound that simulate movement, using a remote mechanism of diffusion. It was invented by John Baird.
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A mobile or cellular phone is a portable telephone that can make and receive calls through a radio frequency carrier while the user is moving within a telephone service area. Martin Cooper invented it.
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The Internet is a decentralized set of interconnected communication networks that use the TCP / IP family of protocols, which ensures that the heterogeneous physical networks that compose it form a unique logical network of global reach. It was created by Tim Berners-Lee.