20150702 - JBURG Science (MA) - nwherald

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Matthew Apgar - mapgar@shawmedia.com
Presenter Steve Belliveau stretches a balloon over the mouth of a bottle containing liquid nitrogen to show the affects of the gasses inflating and exploding the balloon during a Getting Excited About Science program at the Johnsburg Public Library on Thursday, July 02, 2015 in Johnsburg. For more photos, visit the website at http://www.nwherald.com.