Tennis ball surface,SEM. Coloured scanning electron micrograph (SEM) of the felt surface of a tennis ball. Felt used for tennis balls are usually made from either wool or nylon which is dyed. The sample measures 3 mm across the width of the image | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Gschmeissner, Steve |
Taille de l’image : | 4555 px × 3921 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |