Pencil tattoos could be the most natural wearable sensors yet By David Nield July 15, 2020 Pencil drawings might be the sensors of the future University of Missouri View 1 Images ...

Many people groan at the prospect of a trip to Ikea - but one man loves the Swedish homeware giant so much he's had an image of one of their pencils tattooed on his arm. Matt Lee, from Sheffield, had ...

Tattoo-like drawings on your skin might be able to tell you the pH of your sweat or how well you’re sleeping with help from a pencil and paper, according to a new study. Researchers from the ...