All Questions
3
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
1
vote
2
answers
597
views
Why does a sheet of paper stick to the end of a vacuum cleaner?
What makes a piece of paper or other material hard to pull away from the end of a vacuum cleaner once it's covering the opening? What force are you acting against when you try to pull it away? Also, ...
- 113
1
vote
1
answer
9k
views
Will the "Vacuum Wine Saver" suck the bubbles out of Champagne?
The "Vacuum Wine Saver" comes with the following "warning":
Not for sparkling wines
Intuitively and naively, I imagine that the bubbles (or the "bubble-potential"—my made-up terminology) will be ...
- 6,745