06. Mobile Phones
    A mobile phone know as a cellular phone is a device than can make receive telephone calls over around a wide geographic area. It does so by connecting to a cellular new work. The first hand-held mobile phone was demonstrated by Dr. Martin Cooper   if Motorola in 1973.  It provides the services such as text messaging, mms, e-mail, internet access. Etc.

  Mobile phone are used for a variety of purposes, including keeping in touch with family members, conducting business, and having access to a telephone in the event of an emergency . Those days people traveled from village to village to let friends and relatives know about weddings, births and other events. But at present they can send ant message with in few seconds to a person in ant cover of the world. And also people can carry it easily where ever they go. As the mobile phone coverage is greater than land line penetration, most people won a mobile phone. In the smaller village without electricity, phone are recharged using a solar panel or motorcycle battery.

    Among the above mentioned advantages there are some disadvantages too. In today , Society so many school children are addicted to mobile phone. Some bad things which are now suitable to a school child. Another problem of using  a mobile phone is negative health. The researchers have found that the highly use of mobile phones are caused for  brain cancers and other sicknesses.

How ever we can find two different sides of using a mobile phone. A mobile phone has now become a friend of human beings.