Narration about color: Indigo story

Ivan Černušák, Danica Černušáková

SUMMARY Colours. For the majority of us they are life-long companions. Modern man perceives colours as self-evident fact and only rarely asks the question: Where do they come from? In the past, only natural dyes were part of our colourful world. Today, many of colours around us are synthetic or “electronic”. This is very short […]