Volunteer judges help science fair inspire students to pursue STEM
Michael O’Sullivan, U.S. Army Corps of Engineers, Huntsville Control Management Branch, judges Franklin Johnson and Mason Hart, fifth graders, on their electric fruit presentation during the Challenger Elementary School Science Fair Jan. 20. The students discovered that seven lemons power a .5 volt LED.

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Photo by: Amy Newcomb |  VIRIN: 160120-A-JY347-006.JPG