Polarised light micrograph of a silver (yellow) and graphite (red) composite material used for electrical contacts. Magnification: x50 at 6x7 cm size | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Michler, Astrid & Hans-Frieder |
Taille de l’image : | 3570 px × 2784 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |