
From the Bad Astronomer, with the comment:
Some people might consider this a sin, but hey: I’m no angle.
… and if you don’t get it, this might help. Or you could try searching on it; secant you shall find.

From the Bad Astronomer, with the comment:
Some people might consider this a sin, but hey: I’m no angle.
… and if you don’t get it, this might help. Or you could try searching on it; secant you shall find.
From
At the Hammock Physicist
What we have all seen, explained by Game Theory.
A couple weeks ago I went to the going out of business sale for the Borders bookstore in St. Paul. While being a vulture browsing the sale, I glanced through 100 Essential Things You Didn’t Know You Didn’t Know: Math Explains Your World and saw this story from the Russian Civil War:
I saw this on the blog of a British Astrophysicist:
If you haven’t seen this problem before, why not have a go?
At Spiked Math

At Spiked Math
Brother Astronomer: Adventures of a Vatican Scientist. The author is brotherguy.
All are recommended to those interested in the respective subjects.