Where would the extra mass come from? Water? CO2 in the air? | Hacker News

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		mmooss 13 days ago \| parent \| context \| favorite \| on: Why some clothes shrink in the wash and how to uns... Where would the extra mass come from? Water? CO2 in the air?

rjmunro 13 days ago [–]

It doesn't need extra mass, it needs to stretch out a bit.

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