Thanks for the good explanations. I pretty much have lost the ability to learn new things (or perform new tricks) so thanks for being patient. I think I learned more in the last two days about the universe from reading this and the other thread. I hope to be able to peruse some of the links as well.

As for your questions Sam5, I'm not your man, I have no idea how it works. Don't even know if I could comprehend it if explained.

I'm with you hickboy, kind of freaks me out too and hurts my head if I try to think about it too hard. :-s