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Jamie Lock (second from right) from DuPage County Stormwater Management talks about runoff during STEM-CON at the College of DuPage on April 28.
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Dominic Costello, 12, of Glen Ellyn sits in the cockpit of an airplane during STEM-CON at the College of DuPage on April 28.
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People participate in "Build-A-Blinkie" during STEM-CON at the College of DuPage on April 28.
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People checkout displays from the Chicago Area LEGO User Group (ChiLUG) during STEM-CON at the College of DuPage on April 28.
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Children experiment with the vertical wind tunnel during STEM-CON at the College of DuPage on April 28.
