Colour
The metallic green colouring of the beetle's surface is the reflection of mostly circularly polarised light, typically left circularly polarized light. When viewed through a right circular polariser, they appear to be colourless. Many species of scarab beetles (scarabaeidae) are known to emit typically left circularly polarised light (see Circular polarization in nature).
Read more about this topic: Cetonia Aurata
Famous quotes containing the word colour:
“O Paddy dear, an’ did ye hear the news that’s goin’ round?
The shamrock is by law forbid to grow on Irish ground!
No more Saint Patrick’s Day we’ll keep, his colour can’t be seen,
For there’s a cruel law agin the wearin’ o’ the Green!”
—Unknown. The Wearing of the Green (l. 37–40)
“What a lovely thing a rose is!... Our highest assurance of the goodness of Providence seems to me to rest in the flowers. All other things, our powers, our desires, our food, are all really necessary for our existence in the first instance. But the rose is an extra. Its smell and its colour are an embellishment of life, not a condition of it. It is only goodness which gives extras.”
—Sir Arthur Conan Doyle (1859–1930)
“Iconic clothing has been secularized.... A guardsman in a dress uniform is ostensibly an icon of aggression; his coat is red as the blood he hopes to shed. Seen on a coat-hanger, with no man inside it, the uniform loses all its blustering significance and, to the innocent eye seduced by decorative colour and tactile braid, it is as abstract in symbolic information as a parasol to an Eskimo. It becomes simply magnificent.”
—Angela Carter (1940–1992)