All Posts Tagged With: "mortgage-backed securities"

Completely Pointless and Utterly Absurd

First, some chemistry; iodine turns black when exposed to starch. So, a lighter ink which contains iodine will turn black when it comes into contact with starch, which is included in the manufacturing process of standard copy paper. When the ink is used on paper that doesn’t contain starch (such as most paper made with cotton fiber instead of wood pulp) the ink will maintain a sort of brownish-yellow color.

If you pay for gasoline with a fifty dollar bill, chances are the cashier will make a mark on it with a counterfeit detector pen. American currency, made of cotton fiber and not including starch, will leave the ink that lighter color. Counterfeit currency printed on regular paper will make the ink turn black.

Interestingly …