“Magic” Reusable Paper Uses UV Light in Place of Ink

“Magic” Reusable Paper Uses UV Light in Place of Ink

“To reduce deforestation and other negative environmental impacts from paper production, researchers have developed UV light printable paper. It can be rewritten upon more than 80 times, and erased when heated to 120°C. The light printing paper uses a thin coating of nanoparticles. The color-changing chemistry of the nanoparticles, which are applied to the paper, ensure that the writing is visible until it is erased with heat. The UV light paper retains the feel of conventional paper, and is otherwise the same to use…”

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https://futurism.com/magic-reusable-paper-uses-uv-light-in-place-of-ink/