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Tag: Color-changing

Colour-changing afterglow protects banknotes

A team of chemists in China has discovered a single compound that has a colour-modified afterglow. According to Chemistry World, this technique could protect banknotes...

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Security ink discovered for fraud prevention

Indian scientists have developed a special safety ink that can prevent counterfeiting of banknotes and identity documents. After exposure to UV light of a certain...

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2020 predictions for hologram market

Rising global demand for ID and packaging security and authentication devices will strengthen the market for holography in 2020, according to the sector’s international...

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