One of the major inventions of the 20th century is of mobile phones. These devices have gained more popularity in last decade, and almost every person in the developed countries possesses a mobile phone. It has become a necessity of life. Ei...英国华人论坛
With the advancements in technology, different new changes have occupied our lives and the life style has changed to a large extent. We have become dependent on several luxuries intentionally and unintentionally, because these have become ou...英国华人论坛
Mobile phone technology and usage of mobile telephony is reaching to higher levels day by day. In all over the world mobile phones use electromagnetic radiation. The radiation works on microwave range, which has an impact on the human body,...英国华人论坛