Researchers have created a transparent hybrid film that combines natural clay minerals and dyes into a material that changes color in response to environmental humidity. The color change does not ...
Analyzing a stone from the Paleolithic site Mühlheim-Dietesheim in Germany, however, researchers identified the earliest known use of blue mineral pigment in Europe. The results of the study, ...
Tokyo, Japan - Researchers from Tokyo Metropolitan University and Shimane University have created a transparent hybrid film that combines natural clay minerals and dyes into a material that changes ...
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