The Future of Computing Might Not Be So Battery-Powered

Demand for batteries is through the roof, but that might not be the case forever. Tech columnist Christopher Mims says the future of computing might be heavy on perpetual computing machines, which harvest energy from their environments. Amanda Lewellyn hosts. Christopher Zinsli is our supervising producer. Kateri Jochum is the executive producer of WSJ podcasts. Learn more about your ad choices. Visit megaphone.fm/adchoices