Well, 22 was a bit unpleasant, but surely no harm was intended? It was an interesting physics question-for small minds like mine. But, then again, you might keep all of us focused on a higher plane & we should appreciate your careful attention. Gosh, I hope someone's feelings were not hurt!?! Oh, the pain of insult! I shall try my very best to make nice to all who are on the thread! I would just hate myself if I hurt anyone's feelings.
... I wonder not so much at your charge, but more at your purpose ...Why wonder at all?