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 | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Craddock, Tony |
Taille de l’image : | 4535 px × 3117 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |