measuring blueness

Delving into Blue(ts) Today I have been reading about cyanometry and the cyanometer. CYANOMETRY: The study and measurement of the blueness of light; the measurement of intensity of blue light, especially of the blue of the sky. The cyanometer is attributed to Horace-Bénédict de Saussure (1740–99), a Swiss physicist and geologist, famous for his studies of the…

Impregnated by the wind

Birch pollen   In To the River, Olivia Laing tell us about birch pollen being carried by the wind all the way from Jutland to Yorkshire. When doing a small-scale investigation into birches and pollination I came across this very intriguing information: When the German botanist and physician Rudolf Jakob Camerarius (1665-1721) first published the evidences of…