News tagged with optical measurement

Optical water quality assessment

Scientists at the U.S. Geological Survey (USGS) have proven that measuring fluorescence could improve source water monitoring during a study of the McKenzie River in Oregon. The study was designed to assess ...

dateDec 14, 2010 in Environment
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Your vital signs, on camera

You can check a person’s vital signs -- pulse, respiration and blood pressure -- manually or by attaching sensors to the body. But a student in the Harvard-MIT Health Sciences and Technology program is ...

dateOct 04, 2010 in Engineering
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