On the matter of qualifications, and Ph D's I would have to inject a serious consideration. I would have more confidence in the knowledge and application of physics of a pre 1960 Trade certificate metal worker ( includes Electrical fitter/mechanic) than a post 1965 University graduate. When I asked a very old retired Barrister at Law why this was so, he replied, "because after that universities began teaching students WHAT to think, rather than HOW to think. " ??. Philip. A new TV show in the States extends Philip?s point dramatically. MBAs from top schools - one being a summa ? struggle to answer questions from standard grade 3 to 5 tests. To win $1,000,000 just answer 10 questions right?. And you can get help 3 times from a panel of kids, who are almost always right!! In 4 weeks, so far, the most correct answers have been 5 before quitting or losing. Kids love to watch because they demolish the adults. They think their elders are pretending to be ignorant. With a million bucks as top prize?.. fat chance. There are many reasons why kids don?t do their homework. The most embarassing, and least discussed, is what this show shows ? the parents can? t help their kids because they themselves don?t know the answers? http://fredericksburg.com/News/FLS/2007/032007/03252007/267818?rss=local Speaking of puzzles, here are the questions from the first 4 weeks http://fox.com/areyousmarter/features/index.htm ?.. RU smarter than a 5-grader? Robert