The claim: 'It’s impossible for colloidal silver to turn you blue' Some people on social media are promoting the use of colloidal silver, which some claim can boost the immune system and fight ...

Structural color is frequently exploited by living organisms for biological functions and has also been translated into synthetic materials as a more durable and less hazardous alternative to ...

We demonstrate the facile tuning of uniform Bragg reflection color from red to blue by uniaxial compression of gel films containing single-crystalline loosely packed colloidal crystals. The tuned ...