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 | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Chillmaid, Martyn F. |
Bildgröße: | 5150 px × 3446 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |