INEXPENSIVE CHIP DEVELOPED BY LOCAL U OF W RESEARCHER COULD ALERT - TopicsExpress

INEXPENSIVE CHIP DEVELOPED BY LOCAL U OF W RESEARCHER COULD ALERT MILLIONS TO UNSAFE WATER WATERLOO — A simple butterfly wing helped Simarjeet Saini develop a water contamination sensor that may save thousands of lives. Saini and PhD student Jaspreet Walia are developing a nanophotonic chip that will allow anyone with a cellphone to detect contaminated water immediately. (To give an idea of the size theyre working with, a human hair is about 100,000 nanometres wide.)

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