Nick Wiltgen Browse All Authors Famous Quotes by Nick Wiltgen In clouds, iridescence is a byproduct of sunlight being diffracted by water droplets or ice crystals, causing the various wavelengths of light – which we see as colours – to emerge at different angles, as they reach the observer’s eye, the observer perceives a pattern of various colours as those different wavelengths reach his or her eye from distinct directions, rather than being jumbled together and appearing whitish. Nick Wiltgen travel
