Stack Overflow and our Exchange sites get some great questions and answers. We think the folks from our community who share knowledge should be celebrated. So we’re introducing this bi-weekly roundup of questions that tickled our fancy. Want to give attention to a great question and/or answer? Tweet it with the tag #StackOverflowKnows and we’ll consider them for future installments of this series. 

(math.stackexchange.com)

How is it possible for an autonomous differential equation to hit infinity in a finite number of steps? What sort of mathematical wizardry is this? Is the math wrong, or  …