A cell phone emits about 1 Watt of electromagnetic radiation. Most of that zooms away to find a cell phone tower. The tissues of the user will absorb a part of this radiation. These tissues include the caller’s hand, ear, scalp, skull, and brain. The closer a tissue is to the cell phone’s antenna, the more of the radiation the tissue absorbs. For some reason, however, none of those raising fears about cell phones causing cancer are concerned about skin cancers on palms, fingers, or ears. The frequency of the typical cell phone radiation is about 2.5 GHz, two and a half billion flips back and forth per second. The radiation travels at the speed of light — 186,000 miles per second — and dividing the one by the other and correcting for the units I used for the speed, shows that the wavelength of this radiation is about 10 centimeters or about 4 inches. As the electric fields of the waves pass through the body’s tissues, the fields grab and try to shake any molecules or parts of th...
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