Hi all I am studying astronomy where we use a considerable amount of physics & hope to take a Masters Degree..I am known as us2u married with two children one of whom wants to be an Astronaut she is only 6 now, but since she was 5, & starte4d reading has never ever changed her mind toddy my wife likes to help out, & she is a great asset we hope we can also be a great asset to all of you too. Greetings & welcome, also Saucer is the main mentor here, of whom I show the greatest respect..iseason is fantastically knowledgeable & will be a great mentor..many thanks us2u