Story 2015-04-18 79W2 Cheap air quality measurements by new wearable sensor

Cheap air quality measurements by new wearable sensor

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in science on (#79W2)
Popular Science recently reported on a wearable air quality monitor designed and prototyped by electrician, Kevin Hart, and nurse, Laura Moe. They are targeting a late fall 2015 release at a price point of $100 (US).

From the article, "A fan directly beneath TZOA’s triangular cover sucks in air. As pollutants cross a laser, they scatter light onto a sensor that counts them. TZOA then glows a color corresponding to the air safety level. A smartphone app also displays that data, along with daily UV light exposure and crowdsourced pollution maps."
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