Originally Posted By: Dave
I have decided to give this forum one more try after all that has been said.

Iím glad you decided to return, Dave. Iíve not had time to look more than briefly at your work, and I suspect that I lack the maths/physics to do it justice. However, this thread has thrown up a few points that are making me think, which, I suppose, is what learning is all about.
There never was nothing.