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  2. Mobile phone use in schools - Wikipedia

    en.wikipedia.org/wiki/Mobile_phone_use_in_schools

    A phone cage used for keeping students' phones away from them during school hours. The use of mobile phones in schools has become a very controversial topic debated by students, parents, teachers and authorities. People who support the use of mobile phones believe that these phones are useful for safety, allowing children to communicate with ...

  3. Mobile technology - Wikipedia

    en.wikipedia.org/wiki/Mobile_technology

    Nikola Tesla laid the theoretical foundation for wireless communication in 1890. Guglielmo Marconi, known as the father of radio, first transmitted wireless signals two miles away in 1894. Mobile technology gave human society great change. The use of mobile technology in government departments can also be traced back to World War I.

  4. List of countries by number of mobile numbers in use

    en.wikipedia.org/wiki/List_of_countries_by...

    Telecomunicaciones Peru. Retrieved November 21, 2016. ^ "MIS Reports - nta.gov.np/Old". Archived from the original on May 10, 2018. Retrieved May 10, 2018. ^ "33 million mobile subscribers, 10% of ADSL subscribers in Algeria". Ennahar Online. Archived from the original on February 25, 2014. Retrieved April 28, 2013.

  5. History of mobile phones - Wikipedia

    en.wikipedia.org/wiki/History_of_mobile_phones

    Enabling technology for mobile phones was first developed in the 1940s but it was not until the mid-1980s that they became widely available. By 2011, it was estimated in Britain that more calls were made using mobile phones than wired devices. [1] The history of mobile phones covers mobile communication devices that connect wirelessly to the ...

  6. Schools across U.S. restrict cellphones as students return to ...

    www.aol.com/schools-across-u-restrict-cellphones...

    High school students who started school at Kansas City's Ewing Marion Kauffman School saw something new when they entered their classrooms: a cellphone lockbox. A new policy requires all high ...

  7. No link between mobile phones and brain cancer, WHO-led study ...

    www.aol.com/news/no-between-mobile-phones-brain...

    September 3, 2024 at 10:15 AM. LONDON (Reuters) - There is no link between mobile phone use and increased brain cancer risk, according to a new World Health Organization-commissioned review of the ...

  8. The environmental impact of smartphones—and what the ... - AOL

    www.aol.com/news/environmental-impact-smart...

    Using reports and memos, Visible partnered with Stacker and looked into the environmental impact of smartphones and how the industry is looking to be more sustainable.

  9. Mobile phone - Wikipedia

    en.wikipedia.org/wiki/Mobile_phone

    Mobile phone. A mobile phone or cell phone[a] is a portable telephone that can make and receive calls over a radio frequency link while the user is moving within a telephone service area, as opposed to a fixed-location phone (landline phone). The radio frequency link establishes a connection to the switching systems of a mobile phone operator ...