Light bulb filament. Coloured scanning electron micrograph (SEM) of a light bulb filament. The coiled filament glows when it is heated to white- hot by an electric current (thermal radiation) | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Nishinaga, Susumu |
Taille de l’image : | 3822 px × 2846 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |