Nicely done! Manu Prakash's lab at Stanford has explored this bead-lens approach quite a bit with the Foldscope project: http://www.foldscope.com/ http://www.f

Nicely done! Manu Prakash's lab at Stanford has explored this bead-lens approach quite a bit with the Foldscope project: http://www.foldscope.com/ http://www.foldscope.com/ http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0098781 http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjourna... It has come up a few times on HN, e.g.: https://news.ycombinator.com/item?id=7591573 https://news.ycombinator.com/item?id=7591573