Could nanotech create speech-powered phones?
DEC 05, 2008
DOI: 10.1063/PT.5.022910
CNET : A variety of off-grid devices use the wind, the sun, or fuel cells to power up small electronics. But what if you could charge your cell phone just by talking into it, eliminating the need for batteries or cords?
© 2008 American Institute of Physics
