All Questions
3
questions
43
votes
10
answers
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When a cork is pulled out of a wine bottle, why does the inner end often expand more than the outer end?
When I pull a cork out of a wine bottle, it usually expands slightly in circumference. This makes sense: you want the cork to be slightly compressed relative to its natural diameter when it's inside ...
3
votes
1
answer
441
views
Grooves on water tank
Why are there grooves on almost every water tank?
Just typing water tank in Google images would reveal what I am talking about. And here is a sample picture!
I think it would mostly be regarding ...
1
vote
3
answers
273
views
Is a well inflated tire less prone than a deflated tire to flatten due to a sharp object? [closed]
When I bought my bike, I've been told that I should make sure the tires are well inflated because this reduces the risks of having a flat tire when rolling over sharp objects, and that it was easy to ...