Authorities report men were passing $100 fake bills at Tanger Outlets in Commerce that aren't detected by the pen mark test.

And if this gadget was a celebrity, I reckon it would be Michael Douglas and Catherine Zeta Jones. Money detector mouse ‘EM-D275’ identifying counterfeit bills [Aving USA] ...

So Tang decided to buy two machines to better check currency coming into her store. She now has devices that examine money with UV and infrared detectors as well as the size of a bill. Another ...

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 ...