Chin Jung Cheng, Charlie Matlack, Penny Huang and Jacqueline Linnes, University of Washington (IMAGE)

University of Washington

Chin Jung Cheng, Charlie Matlack, Penny Huang and Jacqueline Linnes, University of Washington

Caption

Students Chin Jung Cheng, Charlie Matlack, Penny Huang and Jacqueline Linnes designed a way to know when water left in a plastic water bottle in the sun is safe to drink.

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University of Washington

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