Light bulb filament,coloured scanning electron micrograph (SEM). An electrical current flows through the tungsten filament (yellow) from the grey wire. The current heats the filament,which glows white hot. The red wire is a support wire. Magnification: x5 when printed at 10 centimetres wide | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Gschmeissner, Steve |
Taille de l’image : | 2589 px × 2289 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |