PUBLIC HEALTH ENGLAND / SCIENCE PHOTO LIBRARY PUBLIC HEALTH ENGLAND / SCIENCE PHOTO LIBRARY
Electromagnetic radiation research. Scientist examining equipment in an electromagnetic radiation exposure facility. The meter he is holding is used to measure the strength of the electromagnetic field generated by electrical devices. An electromagnetic field is produced by the motion of electrically charged particles. There have been some concerns that electromagnetic radiation from domestic electrical devices causes negative health effects, although this theory has not been proven.
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