New Fabricated Material Changes Color Instantly In Response To External Magnetic Field

Chemists have fabricated microscopic polymer beads that change color instantly and reversibly when external magnetic fields acting upon the microspheres change orientation. Applications of the new material include display type units such as rewritable or reusable signage, posters, papers and labels, and other magnetically activated security features, as well as environmentally friendly pigments for paints and cosmetics, and ink materials for color printing.

Read the whole article on Science Daily

More from Science Daily