ELI5 Why can you smell thing wrapped in plastic if it's…
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ELI5 Why can you smell thing wrapped in plastic if it's sealed?
When I get things from the store wrapped in plastic or wrap my own with saran wrap, I can detect a tiny bit of the smell of what's inside even though it's sealed perfectly, I know the seal is good because the pastries or cookies don't soggy/soft.
How can the smell escape if moisture can't get in?
#education
source
When I get things from the store wrapped in plastic or wrap my own with saran wrap, I can detect a tiny bit of the smell of what's inside even though it's sealed perfectly, I know the seal is good because the pastries or cookies don't soggy/soft.
How can the smell escape if moisture can't get in?
#education
source
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