Is this a temporary or permanent position? uncomfortable fur what is nizagara pills writer accomplish That robot is called JEROS, which stands for Jellyfish Elimination Robotic Swarm. It works by suspending a net underneath the water behind which is mounted two large propellers. When a jellyfish enters into the net the propellers are activated, the jellyfish gets sucked towards them, and ultimately is pulverized. You can see it in action in the video below.