Is the water in your local lake clean enough to swim in today? Currently, the only way to find out is for someone to take a water sample, bring it back to a lab, then report the analysis 24 to 48 hours later. Soon, however, water-sampling buoys anchored off of beaches could provide readings in real time.
.. Continue Reading Buoys warn swimmers of dirty waterCategory: Science
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from Gizmag Emerging Technology Magazine http://ift.tt/1qZ7vc6
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