Colloidal crystals and glasses are tunable, iridescent, nonfading and nontoxic materials that can be used to develop structural colors. In a new report now published in Science Advances, Jong Bin Kim, ...

(Nanowerk Spotlight) From the vivid blues and greens of peacock feathers to the shimmering reds of ruby crystals, structural color in nature provides some of the most dazzling displays that delight ...

Colloidal silver supplements, tiny silver particles that are suspended in a liquid, have been advertised as an alternative medicine. Companies selling colloidal silver claim that the supplements ...