India, July 4 -- Scientists have now found a way to harness a property known as structural coloration to create tunable color-shifting materials using tiny plastic beads that can be used for wearable sensors, anti-counterfeit tags, display technologies and even eco-friendly paints.

The colour of the peacock's feathers change depending on how you look at it, varying between shimmering blues and greens. Similar effect is observed in the radiant wings of a butterfly. These are not colors made from paint or pigment, but from the structure of the surface itself.

Researchers at the Centre for Nano and Soft Matter Sciences (CeNS), Bengaluru, an autonomous institute of Department of Science and Technology (DST), have uncovered how structural co...