From Past Pigments to Recent Developments in Modern Nanotechnology Endowed by nature with a keen appreciation for the beauty of color, man has sought to imitate and reproduce it. Colors have been a big factor in our lives, from the sea of blues of the sky to the lush greens of nature. But have you ever really thought about why they’re those colors? How colours are made: it is a delightful journey that has taken us more than 5,000 years and brought us from the world of pigments to the quanta...