TagsColor-changing

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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Macau to Launch New 10- and 20- Patacas Notes in Early...

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Macau expects to put new banknotes in two denominations, with a total of four designs, into circulation early next year. The two issuing banks...

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Current situation Dutch Passport Act

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On 9 June 2009 the Dutch Upper House of Parliament approved a new Passport Act without a vote. The proposal was, however, the topic...

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