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The generalization of electricity
it was widely used in the Second Industrial Revolution, at the end of the 19th century, but here it is about the expansion of this form of energy in 20th century societies. Today electricity drives our daily lives. -
The car
Again, we face an invention that emerged in the late 19th century, but did not develop until the 20th century. In the first years of the new century the engine was defined and the production of the chain began with the Ford T. Today we cannot imagine a society without this means of transport. -
The plane
One of the most important inventions of the twentieth century is the plane. When the Wright brothers first took flight in 1903, few could imagine that distances in the world were being drastically reduced. -
The computers
It is another of the most important inventions of the twentieth century that could not fail. Modern life would not be understood without the personal computers used at work and in homes, but also without systems formed by servers and complex machines. It was in the decade of the 40s when the first electronic computers emerged, capable of the most basic tasks. From there the programmable electronic devices have been so important that the twentieth century could be called the Computer Age. -
The phone
The cellular system was created to meet the demand for mobile communication within a limited radio frequency spectrum.
