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US President Barack Obama, alongside 14-year-old Joey Hudy of Phoenix, Arizona, using a pump to increase the pressure prior to launching a marshmallow from Hudy's 'Extreme Marshmallow Cannon' .
US President Barack Obama, alongside 14-year-old Joey Hudy of Phoenix, Arizona, using a pump to increase the pressure prior to launching a marshmallow from Hudy's 'Extreme Marshmallow Cannon' .

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    President Obama loves science

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President Obama loves science

From a visit to NASA to years of hosting the White House science fair, President Obama has been known to nerd out on occasion.

President Obama loves science

From a visit to NASA to years of hosting the White House science fair, President Obama has been known to nerd out on occasion.