Light bulb filament,coloured scanning electron micrograph (SEM). An electrical current flows through the tungsten filament (orange) from the wire at left. The current heats the filament,which glows white hot. The wire at right is a support wire. Magnification: x12 when printed at 10 centimetres wide | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Gschmeissner, Steve |
Taille de l’image : | 3972 px × 3092 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |