Smartphone attachment can identify contaminated water

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Assessing the quality of surface water with a smartphone has been made possible by astronomers and ecologists in Leiden. The device is the product of a collaborative project called MONOCLE, between scientists and locals from Europe, Tanzania and Brazil. Moreover, it is a spin-off of astronomer Frans Snik’s iSPEX from 2013, an iPhone attachment and app that measures dust particles in the air. Attachable to a smartphone, the device enables users to gather accurate information about water quality in a quick and easy manner. By warning people of contaminated water, the device shows which waters are safe to drink from.…

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