Forget the “Brick”, This Power Supply for Wearables Is Soft, Stretchable, and Solar-Powered

May 16, 2016
The electronic tattoo gets a wearable power pack Photo: John Rogers/University of Illionis at Urbana-Champaign This soft, stretchable power pack uses an interconnected web of chip-scale lithium ion batteries, shown wrapped around a fingertip.