17.1 MB (2.4 MB compressed)
2264 x 2640 pixels
19.1 x 22.4 cm ⏐ 7.5 x 8.8 in (300dpi)
VICTOR HABBICK VISIONS / SCIENCE PHOTO LIBRARY VICTOR HABBICK VISIONS / SCIENCE PHOTO LIBRARY
Mobile telephone use. Computer illustration of a man's head seen in front of mobile, or cellular, telephones and brains. Mobile phones use low-power microwave radio signals to transmit calls. Some people believe that these microwaves harm the brain.
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