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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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20 years of commercial holography

Ian Lancaster, general secretary of the International Hologram Manufacturers Association, is stepping down after more than 20 years of service. Ian gives his insight...

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UN Event: Global Support for Digital Public Infrastructure

As part of the SDG Action Weekend led by the United Nations, countries, leaders, philanthropies, and multilateral organizations pledged their support to build a...

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