
Rainbow colours in a spider web caused by diffraction of light – from Earth Science Picture of the Day
Please indulge me while I share some shiny things with you.
I always get like this in Spring, when the sun grows stronger and nature has a certain sheen to it.
I think it’s a woman thing, a gatherer trait inherited from our Stone Age forebears, who must have spent their whole lives looking for bright, shiny berries to pick and eat.
And in many species it’s the male who displays and the female who appreciates it. Apparently not in humans, but diamonds are still a girl’s best friend. So here I am exploring both sparklies and more subtle lustres – as I look at the words iridescence, opalescence and pearlescence. (more…)
Read Full Post »