These painted e-tattoos could be the future of wearable biosensors

Conductive ink is painted directly onto the skin in colorful custom designs, drying into working electrodes. https://arstechnica.com/science/2026/07/these-painted-e-tattoos-could-be-the-future-of-wearable-biosensors/?utm_brand=arstechnica&utm_social-type=owned&utm_source=mastodon&utm_medium=social