Spaced Out

Bad Astronomy had a link to a quiz for how long you could survive in space if you suddenly found yourself blown out of an airlock, (probably as part of a joke by your drunk friends).

How long could you survive in the vacuum of space?
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Knowing that I can still hold my breath longer than anyone I know, I think I could survive longer than the quiz gives me credit for, but I hope we never have to find out. On the plus side, this is 3 times longer than Ford Prefect told Arthur Dent that he could survive once they were blown out of the airlock in Hitchhikers Guide To The Galaxy.