Read More: Animal Propulsion Study Reveals How Jellyfish & Other Species Bend The Rules Of Motion http://www.huffingtonpost.com/2014/02/23/jellyf... "But are jellyfish the only animals to have discovered the magic of bendiness? A new study examined the propulsive limbs of 59 animal species, from the flukes of killer whales and the wings of moths and bats to the winglike feet of sea slugs. Not only is bendiness ubiquitous, but it is finely tuned."
Robotic stingray powered by light-activated muscle cells http://www.sciencemag.org/news/2016/07/robotic-... "Kevin Kit Parker wants to build a human heart. His young daughter loves the New England Aquarium in Boston. In this Science report, father's and daughter's obsessions have combined in an unlikely creation: a nickel-sized artificial stingray whose swimming is guided by light and powered by rat heart muscle cells."
A tissue-engineered jellyfish with biomimetic propulsion. https://www.ncbi.nlm.nih.gov/pubmed/22820316 "Here we combined these capabilities in a systematic design strategy to reverse engineer a muscular pump. We report the construction of a freely swimming jellyfish from chemically dissociated rat tissue and silicone polymer as a proof of concept." ____________________
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