July 23, 2020 – University of Missouri engineers have turned a pair of elementary school supplies – a pencil and white copy paper – into medical-grade equipment, in hopes that cheap and ubiquitous materials will allow patients around the world to better track their health.
In a study published in Proceedings of the National Academy of Sciences, researchers demonstrated that electrodes made of pencil and paper can monitor many health indicators – heart rate, respiratory rate, brain activity, muscle activity, body temperature and sweat composition…