Cell Phones Chris Johnson Lucas Lovett

Evolution of Cell Phones &feature=related

Key Events in Cellphone History  1830 Joseph Henry transmitted the first practical electrical signal  1837 Samuel F.B. Morse developed his fully functional telegraph  1842 Joseph Henry discovered that an electrical spark between two conductors is able to induce magnetism in needles, this effect is detected at a distance of 30 meters  March 1876 Alexander Graham Bell made his first successful telephone experiment. Bell filed for a patent February 14, 1876 beating Elisha Gray by only two hours.  1879 David E. Hughes discovered radio waves. He possibly did make the first mobile telephone call.  1910 Magnus Ericsson and his wife Hilda used the first "car telephone" hooking two long sticks over a pair of telephone wires and connect to an operator in the telephone exchange.  Early 1920s First police car radios and walkie-talkies in metropolitan New York area.  1979 The first commercial mobile phone network was opened for business in Tokyo. (MCS-L1 introduced by NTT, AMPS based, 25 kHz channels)  July First GSM network, Radiolinja in Finland was officially opened

Smartphones  Becoming much more feature-rich  Easy to use  Small computers

Risks/Issues  Cancer?  Brain tumor?  Hand related injuries  Dangers of driving and using cell phone

Fashion  Not only more functional but fashionable  Headsets as well

Forensic Use  Today, cell phones can be used to save lives  They can tell forensic teams about recent history that can lead to finding a missing person  They have become an integral tool when in an investigation  All evidence is helpful

In Classrooms  Educational use now becoming widely more accepted  Programs have been set in place to develop software for smart phones  This advanced learning is only possible when each student has his/her own device  Studies are seeing the before and after effects on a student’s technological savvy

Future Thinking  Nokia is streamlining its designs for the future  It is the priority of the company to integrate cell phones into both fashion and lifestyle  It is a product that capitalizes on nanotechnology and the imagination of an individual