UV-printed text allows sheets to be reset and re-used 80 different times
This message will self-erase in five to more days.
Tag: Ink
One of the oldest known New Testament copies could have been written in pee-based ink
This ink is number 1. Literally.
Why getting a tattoo hurts — the science behind inking
Humans have tattooed themselves since times immemorial to celebrate gods, show social standing, for medicinal purposes or just to look ...
EDITOR'S PICKS
Leaf blowers are not only annoying but also bad for you (and the environment)
It comes down to the inefficient engines they use.
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