All Questions
4
questions
2
votes
1
answer
101
views
Why does the bottle create vacuum inside if left closed?
I'm not 100% it's correct but it has happened to me a lot of times, I always close down a bottle normally with not too much tightness, with no liquid inside, and after a day it always is so hard to ...
- 69
0
votes
1
answer
762
views
Does a tire deflate more quickly when not in use and why? [closed]
Answers from a google support the obvious; that tires goes flat when not in use, but when you read the answers carefully they allude more to that - yes a tire can still go flat when not used. My ...
-1
votes
3
answers
114
views
Why is there less oxygen in a pressurised plane that is flying?
Children who have temporary lung problems like asthma attacks have to go on oxygen to heal. (At a hospital.) Immediately after a health incident they can’t go on an aeroplane because there is ...
- 861
2
votes
0
answers
467
views
Apartment house ventilation: will adding supply air solve tobacco smell problem? [closed]
For at least two years our life quality has been significantly reduced because our upstairs neighbor is a chain smoker and the smell is coming down to our apartment through ceiling structures. I've ...
- 29