Tagged Questions
4
votes
1answer
43 views
What is the minimum pressure difference for your ears to pop?
I'm assuming the answer to this largely varies from person to person. Assuming you could instantly change the pressure around your head by amount $\Delta p$, what is the minimum $\Delta p$ for your ...
3
votes
1answer
61 views
Does tapping at the side of a bottle prevent shaken soda from bubbling over?
Anecdotal evidence has it that a bottle of soda that was heavily shaken will not bubble over if tapped at the side multiple times.
Yet I wonder: Has the tapping really any effect? Or could it be that ...
3
votes
1answer
74 views
What pressure or tension occurs in a glass jar when I pour boiling water inside?
Sometimes it happens that when you pour a boiling water into a glass jar, it cracks. Since glass is very hard material and resilient to pressure, the tension must be very high. Is it possible to ...
3
votes
1answer
118 views
Why does the bubbling of a soda bottle pulsate?
If I take a bottle of carbonated water and open the cap slightly to allow the gas to escape, there will be a sudden rush of bubbles foaming to the top of the liquid for a few seconds, then a partial ...
5
votes
3answers
476 views
Get an intuition for pressure values
I am currently working with pressure differences in the milibar range. However I do not have a good feeling for pressure differences. In every day life:
Where does a pressure of say 100 mbar over ...
