By NC State ECE<img width="992" height="558" src="https://ece.ncsu.edu/wp-content/uploads/2017/08/flex-2-1500-992x558.jpg" class="attachment-large size-large wp-post-image" alt="" loading="lazy" srcset="https://ece.ncsu.edu/wp-content/uploads/2017/08/flex-2-1500-992x558.jpg 992w, https://ece.ncsu.edu/wp-content/uploads/2017/08/flex-2-1500-992x558-452x254.jpg 452w, https://ece.ncsu.edu/wp-content/uploads/2017/08/flex-2-1500-992x558-768x432.jpg 768w" sizes="(max-width: 992px) 100vw, 992px">In a proof-of-concept study, engineers at NC State University's Department of Electrical and Computer Engineering have designed a flexible thermoelectric energy harvester that has the potential to rival the effectiveness of existing power wearable electronic devices using body heat as the only source of energy.