Communication (2010/07/19)
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Radio Waves: Making Telephones Free Of Charging
Published:2010/7/19 22:32:00 Author:Michelle
You may probably never believe that a telephone which does not need a power supply forever. This is true that the engineers in Nokia research center in England claimed that they have developed a kind of telephone that does not need power supply. This new technology can collect the radio waves around to use as a power supply to support a cellphone to work. Radio waves are a type of electromagnetic radiation... (View)
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