Dr. Sang-Woo Kim of the Institute of Nanotechnology at Sungkyunkwan University in Seoul is at the head of a team that have developed a new kind of batteries that allows users to charge their cell phones batteries by talking in the cell phone. As they reached a method to convert the energy of sound to electricity.
This sound-converting technology uses strands of
To see the full content, share this page by clicking one of the buttons below

