Indeed - you'd think that measuring the change in temperature of a cooling liquid flowing over it would be a more reliable means of determining it's...
I was in Ok City in late 2000 and a contact there took me for a tour of the suburbs that had been hit a year or 2 previously - wide areas of concrete...
FYI, the Carnicom article that Clare claims as "proof" that contrails are not chemtrails appears to be this one from 1999 - basically Carnicom states...
"Men never do evil so completely and cheerfully as when they do it from religious conviction." -Pascal
"It is very important not to mistake hemlock for parsley; but not at all so to believe or not in God" - Diderot