- #1
escapistgoat
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Why is it that a straw with it's top blocked off retains a liquid while an upside down bottle will release it?
Is it because the cohesion of the liquid in an area so small will prevent air from passing up through the liquid and replacing it within the straw?
If this is the case I intend to experiment with straws of various diameters and water with different surface tensions (by adding soap, salt or altering it's temperature.)
Thanks very much for any time you can spend helping me understand this.
-Gordon (is part of a complete breakfast)
Is it because the cohesion of the liquid in an area so small will prevent air from passing up through the liquid and replacing it within the straw?
If this is the case I intend to experiment with straws of various diameters and water with different surface tensions (by adding soap, salt or altering it's temperature.)
Thanks very much for any time you can spend helping me understand this.
-Gordon (is part of a complete breakfast)