Have you ever wondered how counterfeiters are able to mimic the appearance of genuine products with such precision? A recent study has delved into the intriguing world of counterfeiting and uncovered a fascinating method involving the use of dye-added liquid crystals. These liquid crystals, when incorporated into counterfeit goods, can create the illusion of authenticity by mimicking the unique optical properties of the original products. As researchers continue to unravel the secrets of counterfeiting, it raises the question of what other innovative techniques could be at play in the underground world of fake goods.

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source: Phys.org