I have a 8 inch tall sports bottle into which I would like to make an air vent but not have the bottle leak when tipped up. What size hole would accomplish that?
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$\begingroup$ I liked this related YouTube video Air Pressure and Bottle. I first thought this would be about molecule size and stuff, but this seems to suggest a relatively big hole. (I guess you're not supposed to shake the bottle.) $\endgroup$– ŘídícíCommented Nov 7, 2016 at 18:45
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5$\begingroup$ Possible duplicate of How to find out the maximum radius of a hole that can keep water stay in a container by water viscosity? $\endgroup$– John RennieCommented Nov 8, 2016 at 8:56
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