These are the articles I like reading about quantum dots .Part of our business includes water purification and having recently watched a Vice special about the lead issue in Flint this article made me think of the possibility of a hand held sensor to analyze the presence of contaminates in your drinking water.So many opportunities in qd tech it boggles the mind

http://www.asianscientist.com/2016/06/tech/qu...lorimetry/