SAFER DRINKING WATER VIA 'LIQUID FORENSICS'.

 
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Ping! The popular 1990 film, 'The Hunt for Red October," helped introduce sonar technology on submarines to pop culture. Now, nearly 30 years later, a team of scientists at the University of Missouri, Columbia, is using this same sonar technology as inspiration to develop a rapid, inexpensive way to determine whether drinking water is safe to consume. Based on their results, the scientists indicate that they can determine changes in the physical properties of liquids.

"If the water isn't drinkable, then our method will tell you that something is wrong," says Luis Polo-Parada, associate professor of pharmacology and physiology at the Cardiovascular Research Center. "For instance, if a facility removes salt from sea water in order for it to be safe for drinking, our method can help alert the facility to potential changes, such as an issue with the desalination process."

The researchers have designed an instrument...

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