On Fri, May 22, 2009 at 8:41 AM, Peter Lipson <peter@toysforbob.com> wrote:
sounds like a question from one of my take-home final exams....

Welcome to the world of R&D, where it's like taking an exam every day of the week.
Only there are no right answers, no scores at the end, and it's not clear whether the question is even possible.

- R.