New Research in Invisible Inks

2017-11-10 12:06

It's a lot more chemistry than I understand: Invisible inks based on "smart" fluorescent materials have been shining brightly (if only you could see them) in the data-encryption/decryption arena lately.... But some of the materials are costly or difficult to prepare, and many of these inks remain somewhat visible when illuminated with ambient or ultraviolet light. Liang Li and coworkers...

News URL

https://www.schneier.com/blog/archives/2017/11/new_research_in.html

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