You can find formulas for this spray in many formularies - it's been used at least as far back as WWI for making an envelope transparent for a few minutes. Actually, translucent would be a better term, as you can only read text that is right up against the inside of the envelope. What is more, the stuff is less useful than back in the fountain-pen days because it tends to smear ball-point and other greasy inks. Marc de Piolenc Max Inux wrote: THe
whole cant read someone elses mail thing is out the window it looks like, they can spray this go on the letter and read through the envelope.. It seems implausable but its CNN, they dont lie right? well ANYWAYS, I now have a nice stash of black construction paper...
-- Remember September 11, 2001 but don't forget July 4, 1776 Rather than make war on the American people and their liberties, ...Congress should be looking for ways to empower them to protect themselves when warranted. They that can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety. - Benjamin Franklin