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  1. Robotic Jellyfish For U.S. Navy Powers Itself With Seawater

    by
    ClaireShoebridge
    , 07-05-2022 at 11:17
    The Robojelly's bell is product of silicone that comprises ribs of springy steel. And the steel, in turn, is attached to a construction made from platinum-coated nanotubes and the shape-reminiscence alloy, manufactured from nickel-titanium. A valve opens, allowing seawater--and the oxygen and hydrogen gases it accommodates -- to come into contact with the nanotube-alloy structure. The platinum reacts, generating heat that activates the form-reminiscence alloy and causes it to deform, pull on the ...
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