Cell phones, whatever the model is, are a fast in demand item in our time. We cannot ignore that even a young child already knows how to operate it and some are even trying to ask their parents to buy them the latest model in the market. How did this gadget came into our world and became a dominant need by everybody? Listed below are some facts about cell phones.
Cellular phones or cell phones (that's how other calls it) originated in the year 1920. They were radios then used only by policemen attached to their mobile cars. Its concept was developed by Bell Laboratories.
. Their radio then was a two-way system and known as mobile rigs. These radios were installed in taxicabs, ambulances (especially for emergency purposes) vehicles also aside from the police cars. Their phones then were not connected to telephone network and this made to people the convenience to be convinced to use and this gain the popularity of the phone.
. In Berlin, Germany, before the arrival of mobile phones, they use already the telephone technology. Their first class trains and passenger airplanes have radios for trafficking reasons. Even in World War II era, the Germans produce large quantities of radios to their war tanks and trained their people to use it.
. The first ever cell phone gadget was made in 1973 by Motorola. Through leading help of Martin Cooper, they use the idea of mobile phone to make a portable phone. In 1984, cell phone was made for public.
. The Ericsson Company released their Mobile Telephone System in Sweden in 1956, the world's first automatic mobile. Although the gadget is operated automatically, their buyers were not delighted to this gadget because it is too big for it weighs almost 40 kilograms and this is a problem how to carry this on streets. The company further improve it in 1965.
Even then, cellular phone gives electromagnetic energy or radiation to the user. The radiation is similar to the radiation of thunderstorms. The penetrating radiation to the user is depending how the user put close to phone to his/her body and how strong the signal the phone has. The radiation can cause cancer, epileptic seizures, changes of brain activity or brain cancer with long-term of use.
Improper use of it like calling while driving the car, leads to fatal road accidents. Cellular phones can distract the direction of flight of aircrafts on air that is one of the reasons it is not allowed to use your phone onboard. Using the cell phone truly can give us lots of convenience and help to communicate, but proper use must be observe to secure your health.
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