It also won her a $25,000 prize, for which Rao already has plans: "I plan to use most of it in developing my device further so that it can be commercially available soon," she told CNN. It usually finds its way into the water system as a result of corrosion of old leaded pipes, made before we knew it was toxic. Then, I saw my parents testing for lead in our water and that is pretty much what sparked the idea. There are currently two main ways to do so, home testing strips or lab testing. On the other end, test strips are easy to use, but they do not quantify the contamination and are sometimes inaccurate requiring multiple tests."

Source: CNN November 28, 2017 11:26 UTC