Submarine communication: an aquatic device extracting energy from ambient noise(economist.com)
economist.com
Submarine communication: an aquatic device extracting energy from ambient noise
https://www.economist.com/science-and-technology/2020/10/17/how-to-send-underwater-messages-without-batteries
1 comments
A device by Fadel Adib of MIT not only broadcasts and receives sound. It is also powered by sound.