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Tag: optics
Optiks™: past, present and future
In this article, Malcolm Knight discusses the history, technology and status of the banknote feature termed Optiks™. The journey has not been straightforward and...
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Optical security media
Nick Nugent - 0
Increasing the security and utility of national identity programmes is one of the most pressing concerns of governments around the world, driving the evolution...
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The Thickest Passports in History
A regular passport nowadays usually has 32 pages. ICAO defines this standard (recommendations), and so is the standardized passport size of 125mm x 88mm...