SPRINGFIELD, Mo. (KY3) - Counterfeit detection pens may not provide reliable protection against sophisticated fake currency, according to Federal Reserve warnings. The Federal Reserve cautions that ...

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Counterfeit detector pens use a starch-iodine reaction to identify fake bills. But could you fool them with chemistry? In today’s episode, we dive into the chemistry of iodine, its color and its clock ...

Counterfeiting money is wrong. Obviously. But if you wanted to take your totally not real money and fool a counterfeit detection pen, could you do it? Reactions is available to stream on pbs.org and ...