Valid points :) One place you may want to look at is the home-school crowd. They...

		Groxx on March 12, 2014 \| parent \| context \| favorite \| on: Stanford bioengineer develops a 50-cent paper micr... Valid points :) One place you may want to look at is the home-school crowd. They pretty often can't afford a microscope, and the 30-kid-classroom problem doesn't exist.