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9999 BCE
Fire
The control of fire by primitive hominins was a turning point in their cultural evolution and allowed them to proliferate due to the improvement in the absorption of proteins and carbohydrates provided by cooking, as well as allowing the activity at night and providing protection before the predators -
5500 BCE
Wheel
Most authors estimate that the wheel was invented in the fifth millennium BC. C. in Mesopotamia, during the period of El Obeid (around 5500 BC), in the former region known as Fertile Crescent, initially, with the function of a wheel -
3750 BCE
Sewerage
Sewer networks are hydraulic structures that operate at atmospheric pressure, by gravity. Only very rarely, and by brief stretches, are they constituted by pipes that work under pressure or by vacuum. They are normally constituted by ducts of circular, oval or composite section, most of the time buried under public roads -
105
The Paper
Before inventing the paper, the Chinese scribes wrote using a rigid tip on strips of wood or bamboo, but these materials did not facilitate writing, and they were a problem when filing them. After the introduction of the hair brush, the support was replaced by the first attempts to make paper from residues of cloth, silk, rice straw and hemp, and even cotton -
300
La plancha
At present it is considered one of the essential appliances in the home that allow not only to maintain order, but also to show off a good image. It is the iron, a tool that has origins beyond the time we could imagine. -
624
Medicine
Since its ancient origins, the human being has tried to explain the reality and the transcendental events that take place in it such as life, death or disease. Medicine had its beginnings in prehistory -
1440
Printing
Printing is a mechanical method intended to reproduce texts and images on paper, cloth or other materials. In its classical form, it consists of applying an ink, usually oily, on some metallic pieces (types) to transfer it to the paper -
Electricity
It is the set of physical phenomena related to the presence and flow of electric charges. It manifests itself in a wide variety of phenomena such as lightning, static electricity, electromagnetic induction or electric current flow. It is a form of energy so versatile that it has countless applications, for example: transport, air conditioning, lighting and computing -
Smartphones
For many, the first smartphone (again, without that name) in history was the IBM Simon Personal Comunicator, whose prototype appeared in 1992 and whose sale began in 1994. That cell phone with PDA features had a 160x293 pixel monochrome screen , and it was possible to draw on it with the included stylus. His success was very limited, and in February 1995 he would stop selling. -
Wifi
On a basic level, WiFi is a way to bring broadband Internet to a device using wireless transmitters and radio signals. Once a transmitter receives data from the Internet, it converts the data into a radio signal that can be received and read by WiFi-enabled devices. The information is exchanged between the transmitter and the device.
