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 ...
Recent stories
Natural testosterone promotes moral behavior, supplements promote utilitarian choices
"The current work challenges some dominant hypotheses about the effects of testosterone on moral judgments."
Exoshorts help you walk and run longer
Finally, an exosuit that does both.
Wearing a bike helmet makes your brain feel safer — even when you’re not in danger
"It is stunning to observe how suggestions can influence brain activity," the authors say.
Cat allergies could soon be over thanks to a new vaccine
According to the research, the vaccine was “well-tolerated without any overt toxicity”.
