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Cell phone radiation

Cell phone radiation . By George Weand. History . First used in 1947 It was first used in the military Dr Martin Cooper of Motorola. Bell Labs- creator of the first cell phone

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Cell phone radiation

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  1. Cell phone radiation By George Weand

  2. History First used in 1947 It was first used in the military Dr Martin Cooper of Motorola. Bell Labs- creator of the first cell phone It wasdeveloped by Bell Labs in 1947. Motorola and labs where racing to see who could create the first cell phone.

  3. The cell phone explained To help people communicate with one another while away from home. They use a type of radiation called electromagnetic radiation, that come from radio frequencies that it needs to make calls. When you speak, your air vibrates the inside which causes a tiny magnet to move up and down. That sends an electric signal through wires to a radio transmitter.

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