As a vacuum pump lowers pressure in a bell jar a colloid expands. This is due to higher pressure in the air separating the colloidal particles. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Grant, Spencer |
Taille de l’image : | 2912 px × 4368 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |