Tag: chemistry

Beautiful chemicals
I am scanning my father’s positive slides and negatives, a Himalayan task. He took a good deal of photographs, starting in the 50ties. I am guessing about 3-4000 35mm negatives, colour and black and white. 12 boxes of slides, and an unknown amount of 9x6 I have not even dug out yet. It is of ...

Visual science: the periodic table
Oxygen tries to play nice with the other elements in the playground ...