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This robot catches jellyfish with a gentle ‘hug’
Silicone fingers swell with water to trap jellyfish without squishing them
OCT2, 2019
Jellyfish seem made for their watery world. These gelatinous creatures, with tentacles that dangle from umbrella-shaped bodies, are 95 percent water. But their fragile bodies have made it hard for scientists to safely catch them for study. Until now. A new soft robot that mimics a human hand can gently catch and clasp jellyfish without harm.
“Jellyfish and other gelatinous animals … have a huge amount of potential to teach us things,” notes Nina Sinatra. She and her colleagues designed and built their new robot to make it easier to study those jellies. Sinatra is a mechanical engineer. That’s someone who uses physics and materials science to design gadgets with moving parts. She worked on the project while at Harvard versity in Cambridge, Mass.
Her team described its new device August 28 in Science Robotics. Reseming a robotic hand, its six softfingers can cradle a flopsy and fragile jellyfish.
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