How To Have A Water Balloon Fight ... In Space

Mechanical engineers Seth Lichter and Mark Weislogel wondered what would happen if they popped water balloons aboard NASA's low-gravity aircraft. Aside from the "fun factor," as Weislogel puts it, the results demonstrate some basic principles of physics.

Science Friday producer Flora Lichtman shows what happens when scientists have some free time and a low-gravity aircraft on their hands:

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