When we were making our cyanotypes, we talked about positive and negative space, organic vs. geometric shapes, the history of cyanotypes, and how to make one. Positive and negative space is the border where the two areas can meet, and either side of the border could be the positive or the negative space. Organic has more free form shapes, while geometric has more order. Cyanotype is a way of making blue-colored pictures, invented in 1842 by scientist John Herschel. It was first used to copy notes and pictures, such as plants, and later became popular for making art and photos. To make a cyanotype, you need a special type of paper that is light sensitive. Once you have all of your flat objects, like flowers, you quickly lay them out on the special paper. Then you take a thick piece of glass and lay it down on the paper and flowers, so it presses the flowers into the paper, and then you leave it in the sun for roughly 15–20 minutes. After your paper is done you take it inside and wash it under cold water then let it fully dry. Once it's dry, you have a cyanotype!