Re: [math-fun] pi^4 + pi^5 ~ e^6

The reason we know that perpetual motion is impossible is that so many clever people have tried & failed. The reason we know that heavier than air flight is impossible is that so many clever people have tried & failed. Distinguishing these two cases is difficult. Rich ---- Quoting Veit Elser <ve10@cornell.edu>:

Isn't this obsession -- with looking for relationships where there almost certainly aren't any -- a waste of time?