Blue neon sign. Certain elements emit light when an electric charge is passed through them. Despite their name,not all neon signs contain neon gas. The colour of the light depends on what gas is used. Neon emits red light. Blue light is produced by mercury | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Kinsbergen, Ton |
Bildgröße: | 5308 px × 3981 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |