Thanks Lex, You are one of the men who inspire me so much, and of course many others, back to science and learn from abc..., not only the curious for myself but the most important is my realization, I know nothing about this and that which i seemed to already got them in past (my ignorance, sorry).<br>By the way, keep moving...<br>Happy new lunar year to you and all of your guests Lex.<br>Learn from you so much.