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Tag: holographic
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?
Ravi Das -
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...