Markdown of the Beast 

Electrical engineers at Duke University have devised a fully print-in-place technique for electronics that is gentle enough to work on delicate surfaces including paper and human skin. The advance could enable technologies such as high-adhesion, embedded electronic tattoos and bandages tricked out with patient-specific biosensors.

https://phys.org/news/2019-10-electronics-electrified-tattoos-personalized-biosensors.html