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Twentieth Century Inventions

The twentieth century started with a population of 1,625 million people being very prolific in terms of technological advances, it is estimated that the growth in information technology was exponential, ie had grown so large that its magnitude doubled every once in a minor course of time, similar to the growth of bacteria that cause us disease as the cause ofpneumonia, or memory of microprocessors that are implemented on computers.


The first washing not become popular until the 40s in the United States and Europe of 50 ...
Washer. One of the first inventions of the last century, and that would revolutionize housework was the washing machine, in the United States. The first electric washing machine appeared in 1901, thanks to Alva Fisher, who with amotor spun a drum, but did not patent his invention until 1910. The use of the washing machine was popularized when electricity became a common service. Currently, new models have time programmers and computer sensors that control the speed, weight, temperature, etc. ..

Vacuum. That same year, 1901, but this time in England, there was a vacuum that needed two people to operate: one moving abellows which created a vacuum to absorb dust and other shoved the device across the room. In 1908, William Hoover designed the first electric vacuum, initially, were used only in industry. Years later, would be common in homes.

Cash Register. The electric cash register was invented by Charles Franklin Kettering in 1906, aquien also owe the appearance of electric ignition and automatic start, andthe first practical electric generator powered by a car engine, such as those used in stalls fairs.

Tractor. The introduction of the tractor meant for the entry field to the modern era. With the use of this machine is able to achieve, in a few hours, a job that took several days to the farmer. In 1907 Henry Ford began making tractors in series with car components, which christened Fordsons,which were very successful and were exported to Europe after the Second World War.


Tractors were a revolution in agriculture, to replace the traditional animal traction ...

The first armored car robbery fuee made only seven years after its appearance ...
The Armored Van (1920). Although it was designed by Leonardo da Vinci centuries ago, the first built in Minnesota, in the city of St. Paul.Allowed to be transported large sums of money with better security, leading to greater movement of money. Shortly after his appearance is dated in 1927, the first assault on a shielded, with a haul of just over $ 100,000.

Radar. Marconi, who developed a system of wireless telegraphy, suggested in 1922 that could detect vessels in poor visibility. This idea was developed in 1931 by building acomputer to send radio pulses boats detectors. The first radar was installed in Normandie, French ship, to locate icebergs.

ATM. In 1939 was invented by Luther George Simjian, under the brand Bankmatic. to try. It was tested for the first time in a bank belonging to what is now Citicorp (Citibank), but after six months the bank reported that there was little demand for use. It took until 1968for the modern version of the ATM by Don Wetzel, Tom Barnes and George Chastain which was installed at Chemical Bank in New York.

Pen. The pen modern, practical, disposable and inexpensive, was invented in 1940 by Hungarian journalist Josef Ladislao Biro and chemist Georg Biro, of the need to create a pen efficient as it existed fountain pens that appeared in the century century, but their inktended to thicken.


The pens with ball point system prevented the ink to dry and also allowed its extension ...

The first credit cards were used exclusively for restaurants ...

Microwave. The American Percy Le Baron Spencer, was testing a new vacuum tube called a magnetron when he discovered that a candy he had in his pocket had melted. This incident led to patenting a device that would...