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  2. Counterfeit banknote detection pen - Wikipedia

    en.wikipedia.org/wiki/Counterfeit_banknote...

    A counterfeit banknote detection pen, used to detect fake banknotes. A counterfeit banknote detection pen is a pen used to apply an iodine-based ink to banknotes in an attempt to determine their authenticity. The ink reacts with starch in wood-based paper to create a black or blue mark but the paper in a real bill contains no starch, so the pen ...

  3. Currency detector - Wikipedia

    en.wikipedia.org/wiki/Currency_detector

    A currency detector or currency validator is a device that determines whether notes or coins are genuine or counterfeit.These devices are used in a wide range of automated machines, such as retail kiosks, supermarket self checkout machines, arcade gaming machines, payphones, launderette washing machines, car park ticket machines, automatic fare collection machines, public transport ticket ...

  4. UV marker - Wikipedia

    en.wikipedia.org/wiki/UV_Marker

    Messages written by a UV marker can be discovered by unintended viewers when there is a change of reflectivity of the paper, or a pen scratches marks on the paper. The smell of the ink also reduces the security of secret messages as the hidden messages can be easily found with the help of trained animals.

  5. This is the surprising reason your pen caps have holes in them

    www.aol.com/news/2016-05-09-did-you-know-the...

    Business Insider points out that between 2000 and 2010, there were more than 10,000 reported cases of people swallowed parts of pens or pencils. Show comments Advertisement

  6. Counterfeit money - Wikipedia

    en.wikipedia.org/wiki/Counterfeit_money

    Anti-counterfeit money sign and examples of counterfeit notes received by a noodle shop in Kunming, Yunnan, China. Some of the ill-effects that counterfeit money has on society include: [3] [4] Companies are not being reimbursed for counterfeits. This has led to companies losing buying power. [30] As such, there is a reduction in the value of ...

  7. The Best Pens in 2023 - AOL

    www.aol.com/lifestyle/best-pens-2023-171900850.html

    A beautiful writing utensil hits the trifecta of good gifting: practical, thoughtful, and aesthetically pleasing. Below, we've rounded up some of the best pens in 2023. Arco Fountain Pen Oak ...

  8. British regulators warn of fake Ozempic pens linked to ... - AOL

    www.aol.com/british-regulators-warn-fake-ozempic...

    Britain’s health agency is warning the public not to buy pre-filled pens claiming to contain the weight loss drugs Ozempic and Saxenda without a prescription, after a small number of people were ...

  9. Counterfeit - Wikipedia

    en.wikipedia.org/wiki/Counterfeit

    Counterfeit t-shirts at a flea market. A counterfeit is a fake or unauthorized replica of a genuine product, such as money, documents, designer items, or other valuable goods. [1] [2] [3] Counterfeiting generally involves creating an imitation of a genuine item that closely resembles the original to deceive others into believing it is authentic ...