Microwave ovenIn 1945 the American Percy Le Baron , patented a device that would become the Microwave. Raytheon Company developed an application program in microwave cooking, resulting In an apparatus for cooking. In 1967, he began making The first household stoves.

1945-2010

In 1937, the sale of air heaters began, giving air to a hot electrical resistance. Extremely useful in countries where temperatures drop to extreme degrees, the heat has gone through several stages since its creation.

Heating

1937-2010

In 1982, Barney Clark, was implanted, instead of a heart, a mechanical part made of plastic and metal, which was known

as the Jarvik-7,

1982-2010

In 1946 the construction of the ENIAC was completed . It is considered the first electronic computer. The ENIAC effected 300 operations in a second.The speed of large scientific computers doubles every two years and current computers are seven million times faster than ENIAC.

1946-2010

PenThe modern, practical,

disposable and inexpensive pen was invented by

Hungarian Josef Biro and chemist Georg Biro in 1940, The materials which are used for the pens are ranged from

plastic to gold.

1940-2010

The concept of a cellular radio network in 1947 was

invented at Bell Labs.Nowadays technology

and miniaturization have broken new ground for mobile

phones by enabling communication between two distant places of the earth

quickly

1947-2010

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