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lepers | 13:32 Mon 21st Nov 2005 | Science
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does food rot in a vaccuum?
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Avatar Image Calvesy
No, life processes don't require air necessarily but they do require liquid water as a solvent. In a vacuum it is not the lack of gas that halts metabolism, but the lack of pressure which causes all water to either vapourise or freeze. 'Vacuum packing' is more correctly called 'Shrink Wrapping' because air is removed but the pressure and temperatures are ambient enough for rotting.
14:11 Mon 21st Nov 2005
Avatar Image stevie21
No "hoover" jokes yet?
21:49 Mon 21st Nov 2005
Avatar Image boobesque
indeed. we age because of our atmosphere. we are rusting
17:50 Tue 22nd Nov 2005

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