Smoke detector radiation source. Close-up of the internal componenets of a smoke detector,showing a chamber containing a sample of the radioactive isotope Americium 241. Any smoke entering the chamber is ionised by the radiation and conducts a current,setting off the smoke alarm | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Bond, Martin |
Taille de l’image : | 5470 px × 4471 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |