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Message: <blockquote data-quote="nike puma" data-source="post: 8150826" data-attributes="member: 293234">Ever wondered how astronauts go to the toilet in space?Since there is no gravity to either hold a toilet  bowl full of water in place or pull human wastes down, designing a  toilet for zero-gravity was not an easy task. NASA had to develop a way  to use air flow to make the urine or feces go where they wanted.  Each Space Shuttle has a toilet that can be used by  both men and women. Designed to be as much as possible like those on  Earth, the units use flowing air instead of water to move waste through  the system.   Solid wastes are compressed and stored on-board, and  then removed after landing. Waste water is vented to space, although  future systems may recycle it. The air is filtered to remove odor and  bacteria and then returned to the cabin.  There is no shower on the  Shuttle, so astronauts must make do with sponge baths until they return  home.<img src="http://i31.tinypic.com/nbayjm.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /><img src="http://i30.tinypic.com/fcl8xx.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></blockquote>

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