An actual microscope for 50 cents [1]. No smartphone. It is limited in the things it can do. You can't use it to educate med-students, for example, but it works

An actual microscope for 50 cents [1]. No smartphone. It is limited in the things it can do. You can't use it to educate med-students, for example, but it works for the poverty stricken areas perfectly. [1]:http://www.ted.com/talks/manu_prakash_a_50_cent_microscope_that_folds_like_origami http://www.ted.com/talks/manu_prakash_a_50_cent_microscope_t...