You might have actually asked yourself this question before, especially after seeing Sandra Bullock propelling herself through space with a fire extinguisher in the movie Gravity. PBS Space Time attacks the problem from a science viewpoint. We have to change reality a little, by bypassing the spacesuit that keeps bodily gasses from meeting the vacuum of space. Then it gets really technical, both about farts and space travel. Yeah, he eventually has an answer. They also talk about the rocket effects of urination and sneezing. (via Boing Boing)
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