MODEL RELEASED. Electromagnetic field measurement. Scientist using a detector (antenna on tripod) to measure the strength of the electromagnetic field generated by electrical devices at a cement works. 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 | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Public Health England |
Bildgröße: | 3307 px × 2644 px |
Modell-Rechte: | vorhanden |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |