yo'
  • Member for 7 years, 7 months
  • Last seen more than 1 year ago
4 answers
18 votes
609 views
Is there any simple way of using the Coriolis effect to determine what hemisphere you are in?
Accepted answer
23 votes

You can use the Foucault pendulum to determine the hemisphere: Its plane of movement rotates: anti-clockwise in the southern hemisphere; clockwise in the northern hemisphere. The rotation of the ...

View answer
2 answers
23 votes
891 views
Is climate chaotic?
6 votes

One problem here is the defition of chaos. In the mathematical theory of dynamical systems, a system is chaotic if it contains both dense and periodic points. This is somewhat different from what one ...

View answer
3 answers
10 votes
11k views
What does the notation "kg kg-1" for units mean for specific humidity
5 votes

The basic idea is that by mentioning $\mathrm{kg}\, \mathrm{kg}^{-1}$ you make it clear that you measure the weight. You can think of it as $$ 0.01\, \mathrm{kg}\, \mathrm{kg}^{-1} = 1\, \mathrm{wt.}\...

View answer
2 answers
7 votes
17k views
Why are there no crystals with 5-fold symmetry?
4 votes

Your question is much more complicated from mathematical point of view than it seems to be. First, I'll start with a nice photo: (source: Wikipedia). What you see is really a photo and it is almost a ...

View answer