sukho park of
chonnam national university, south-korea, and a team of researchers have designed a small, flat robot that is powered by the contractions of cardiac tissue, taken from a rat's heart.
they affixed the heart tissue onto the body of the robot. when the tissue contracts, the robot’s six horizontally aligned legs pull together. when the tissue relaxes, the legs draw apart. the pulses propel the robot forward through a solution at 100 micrometers per second [36 cm per hour].
read an article + video of the robot in action. read more.