Pulsing prosthetic gives jellyfish super speed

Acting like a pacemaker, the prosthetic encourages jellyfish to speed up their natural pulsing motion, which they use to move through the oceans and capture prey. Typically, this motion sees the creatures move at around 2cm per second. With the device attached, that speed increases to between 4cm and 6cm per second.

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Measuring around 2cm in diameter, the microelectronic prosthetic is naturally buoyant and attaches to the animals via a small wooden barb. Once removed, the jellyfish return to their normal swimming speed and the researchers claim that the process does not appear to cause stress to the creatures. It is hoped that the bionic jellyfish could one day be used to help in ocean exploration. The research is published in Science Advances.