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. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Turtle Rock Scientific |
Bildgröße: | 5075 px × 3391 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |