new fuel-cells run on human blood

(above: artificial heart)

the day of the matrix has come. machines that run on human blood - isn't this the beginning of the end? well, actually it'll probably just help maintain our artificial hearts.

the new fuel cell is about the size of a tiny coin and doesn't need to rely on toxic substances to function. it utilizes vitamin k3, a chemical naturally found in our bodies, to exploit energy from glucose molecules. it produces about 0.2 milliwatts of electricity, enough to power a device that measures blood level and transmits data elsewhere, which will help our artificial organs and other internal implants to function better.

full article at iol

idea via we make money not art