The President meets an 8th grader named Joey from Phoenix, AZ at the White House Science Fair and the two launch a marshmallow across the State Dining Room of the White House with Joey's science project - an air cannon.
Wednesday, February 8, 2012
Marshmallow Launch at the White House Science Fair
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The President meets an 8th grader named Joey from Phoenix, AZ at the White House Science Fair and the two launch a marshmallow across the State Dining Room of the White House with Joey's science project - an air cannon.
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