Tuesday, June 6, 2017

To preserve cold air inside, is it better to open and shut the door quickly or slowly? askscience

For example, what's the best way to keep a room or a refrigerator cold when opening or shutting the door?



Submitted June 06, 2017 at 09:50PM by JoeTheShome http://ift.tt/2seuhRY askscience

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