A simple, affordable sticker that tests if water is safe to drink

The 2018 Young Australian of the Year in NSW won the prestigious Stockholm Junior Water Prize last week. Ms Butson’s SODIS ultraviolet radiation sticker accurately measures the solar UV exposure required to sanitise drinking water. Costing less than one US cent to produce, it has the potential to revolutionise the way some of the world’s poorest people can be certain that the water they are drinking is safe. https://www.smh.com.au/politics/federal/this-will-stick-in-our-minds-for-a-long-time-macinley-s-invention-could-change-lives-for-one-cent-20190831-p52mm4.html

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