Synthetic quartz. Crystal of synthetic quartz (silicone dioxide) held between two electrodes. Quartz vibrates at a steady rate in reaction to an electrical charge. This allows it to be used in watches to keep time accurately | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Natural History Museum, London |
Taille de l’image : | 3186 px × 2743 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |