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	Podcast:		Science Nation
	Episode:		NSF supports "Array of Things" prototype in Chicago
	Category:		Science & Medicine
	Duration:		00:03:25
	Publish Date:		2016-12-05 12:45:00
	Description:		University of Chicago scientists supported by NSF are collaborating with researchers at the Argonne National Laboratory to build out a wide-ranging urban sensing project in Chicago known as the Array of Things (AoT). One could think of it as a fitness tracker for a city -- a network of 500 computer nodes designed to gather data on livability factors all over Chicago, from climate, weather and air quality to noise and traffic, on a city block scale. Each AoT node is equipped with power, Internet and sensors to measure environmental health and safety factors, such as carbon monoxide, nitrogen dioxide and ozone levels. The nodes also have a camera, which temporarily records images. Once the data of interest is extracted, the images are purged from the system. The data is gathered in real time and available to the public, as well as urban planners, health workers and others who can use the information to make better informed decisions.
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