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Security Holograms Win at International Awards

New optical authentication solutions for a high denomination African banknote and an ID document were joint winners at the Excellence in Holography Awards 2022,...

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...

Advances in holography

Holography dates back to 1947, when Hungarian/British scientist Dennis Gabor working at British Thomson-Houston in London discovered the principle of holography while working to...

Opalprint

Optically variable devices have become a ubiquitous part of everyday life, with holographic, opalescent and colour-shifting features adorning a multitude of products. Of these,...

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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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Part 1: What is the blockchain?

An overview into encryption To fully understand the concept of blockchains, one must first have a basic primer into what encryption is all about, as...

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