Gel-based encryption can only be unlocked with key of light and heat

A chemical gel can reveal a secret sequence of numbers if given the right "password" – a combination of heat, light and water. The technology could be used to prevent counterfeiting or in smart labels

Landwebs Landwebs
Nov 5, 2022 - 07:00
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Gel-based encryption can only be unlocked with key of light and heat
A chemical gel can reveal a secret sequence of numbers if given the right "password" – a combination of heat, light and water. The technology could be used to prevent counterfeiting or in smart labels
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