Thermochromatic plastic cups. These plastics change colour when heated. The cup on the left contains a hot drink,so has changed from purple to pink | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Chillmaid, Martyn F. |
Taille de l’image : | 5150 px × 3446 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |