Put Robojelly On Your Shoulder, Let's Do What You Fear Most

“The robot is powered by heat-producing chemical reactions between the oxygen and hydrogen in water and the platinum on its surface. The heat from the reactions is transferred to the artificial muscles of the robot, and reshapes them. This means Robojelly can regenerate fuel from its surroundings rather than running off an external power source or batteries.”
 — The explosion of the worldwide jellyfish population is threatening the to cause ecological disaster. What do we do about it? Make more jellyfish. Synthetic ones that will never run out of energy.