9/21/2023 0 Comments Harvard origami fish grabber“Our ultra-gentle gripper is a clear improvement over existing deep-sea sampling devices for jellies and other soft-bodied creatures that are otherwise nearly impossible to collect intact,” said first author Nina Sinatra, a former graduate student in the lab of Robert Wood at the Wyss Institute. The gripper is described in a new paper published in Science Robotics. Paulson School of Engineering and Applied Sciences (SEAS), and Baruch College at City University of New York offers a novel solution to that problem in the form of an ultra-soft, underwater gripper that uses hydraulic pressure to gently but firmly wrap its fettuccini-like fingers around a single jellyfish, then release it without causing harm. Now, a new technology developed by researchers at Harvard’s Wyss Institute for Biologically Inspired Engineering, the Harvard John A. Jellyfish may very well harbor other, potentially life-changing secrets, but the difficulty of collecting them has severely limited the study of these “forgotten fauna.” The sampling tools available to marine biologists on remotely operated vehicles were largely developed for the marine oil and gas industries, and are far better-suited to grasping and manipulating rocks and heavy equipment than jellies, which they often shred to pieces while trying to capture them. But their remaining 5 percent has yielded important scientific discoveries, such as green fluorescent protein that scientists now use extensively to study gene expression, and life-cycle reversal that could hold the keys to combating aging. Jellyfish are about 95 percent water, making them some of the most diaphanous, delicate animals on the planet.
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