Mobile telephone danger. Conceptual image showing a mobile telephone resting on a sign warning against harmful radiation. Mobile phones use low- power microwave signals to transmit calls. Some scientists believe that these microwaves harm the brain through their heating action,and that they can cause brain tumours | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Craddock, Tony |
Bildgröße: | 4535 px × 3117 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |