Glowing lightbulb filament. When electric current is passed through a filament in a lightbulb, the filament heats up to a very high temperature and emits visible light. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Turtle Rock Scientific |
Taille de l’image : | 5075 px × 3391 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |