Phosphorescence is a phenomenon specific to some materials that continue to radiate light after receiving it. In other terms: after storing light, these materials release it progressively in darkness without combustion or friction. The term phosphorescence is an extension of the word phosphorus, derived from the Greek phos meaning light and phoros, bearer. A German alchemist is said to have discovered phosphorus by chance when trying to find the philosophers’ stone in the XVIIth century. Some bodies are spontaneously phosphorescent like certain molluscs and insects. While it has many applications nowadays, especially in the area of safety, phosphorescence continues to fascinate and retains magical connotations. Combined with other materials such as wool, phosphorescent threads are used in the rugs produced by PINTON to create an enchanted look that never gets old.