Diffusion. A drop of food colouring is added to a beaker with water. Food colouring diffuses through water and after several hours the solution becomes uniformly-coloured. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Giphotostock |
Taille de l’image : | 8600 px × 2870 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |