PUBLIC HEALTH ENGLAND / SCIENCE PHOTO LIBRARY PUBLIC HEALTH ENGLAND / SCIENCE PHOTO LIBRARY
Personal magnetic field exposure monitor. Man wearing a personal dosimeter on the waistband of his trousers. This device detects and records the strength of electromagnetic fields experienced by its wearer. An electromagnetic field is produced by the motion of electrically charged particles. There have been some concerns that electromagnetic radiation causes negative health affects, although this theory has not been proven. This dosimeter is manufactured by Antennessa.
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