” These polymer opals get their colour from surface structure alone, so they don’t fade or run and could be used as a substitute for the current, toxic dyes in clothing.”
A new, synthetic material changes colour when it is twisted or stretched. Such a smart material could be used for any number of applications. We take a look. In nature, many colours are derived from pigments. Some of the most intense, such as those found in opals, feathers and wings, are due to the ... Read more
” These polymer opals get their colour from surface structure alone, so they don’t fade or run and could be used as a substitute for the current, toxic dyes in clothing.”
Cool, there are countless applications for this type of material.