Domestic smoke alarm with its case open to show the sensor, circuit board and radioactive material enclosure. The active element is Americium 241. The 9V PP3-type battery is connected. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Williamson, Mark |
Bildgröße: | 5128 px × 3408 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |