#author("2022-09-27T04:32:10+09:00","","") Engineers build battery-free, wireless underwater camera that uses sound - The Hans India A team of US engineers has developed a battery-free, wireless underwater camera, powered by sound,... Author : The Hans India #technology #tech #innovation #engineering #business #iphone #technews #science #design #apple #gadgets #electronics #android #programming #software #smartphone #samsung #instagood #coding #computer #pro #instatech #education #security #gadget #mobile #instagram #technologynews #HATINC READ MORE : https://hatinco.com/engineers-build-battery-free-wireless-underwater-camera-that-uses-sound-763218.htm