{"id":2602,"date":"2019-01-30T16:49:45","date_gmt":"2019-01-30T07:49:45","guid":{"rendered":"http:\/\/163.180.4.222\/lab\/?p=2602"},"modified":"2019-01-30T16:49:45","modified_gmt":"2019-01-30T07:49:45","slug":"a-%ef%bb%bfrobotic-vine-that-can-coil-itself-around-the-real-thing","status":"publish","type":"post","link":"https:\/\/biochemistry.khu.ac.kr\/lab\/?p=2602","title":{"rendered":"A \ufeffrobotic vine that can coil itself around the real thing"},"content":{"rendered":"

 <\/p>\n

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\"Tendril-like<\/p>\n

A slim robotic arm (silver) winds around the stem of a blue passion flower. Credit: IIT-Istituto Italiano di Tecnologia<\/p>\n

 <\/p>\n

 <\/p>\n

Artificial device imitates plants that rely on osmosis to power their tendrils.<\/h4>\n

 <\/p>\n

\n

A slender, vine-like robotic arm snakes around objects using technology based on osmosis.<\/p>\n

Some plants anchor themselves by twining tendrils around neighbouring structures. Control of these tendrils is achieved, in part, through osmosis: the plant changes the concentration of particles in and around the tendril cells, causing water to flow across the cells\u2019 permeable walls. As a result, the cells swell or shrivel.<\/p>\n

Indrek Must, Edoardo Sinibaldi and Barbara Mazzolai at the Italian Institute of Technology in Pontedera designed an artificial tendril consisting of a coiled plastic tube. The tube contains a porous section, which functions as a permeable membrane, and is filled with electrolyte-laden fluid. When voltage is applied, electrodes at the tendril\u2019s base attract and concentrate the fluid\u2019s ions, forcing water into the tendril and causing it to extend. When the voltage is removed, the tendril contracts and can wrap itself around a flower\u2019s stem nearly one and a half times in 25 minutes.<\/p>\n

The principle could be incorporated into the arms of \u2018soft robots\u2019 to help them handle fragile objects, the authors write.<\/p>\n

 <\/p>\n

 <\/p>\n<\/div>\n

\n

Nature Commun.<\/i>\u00a0(2019)<\/a><\/p>\n<\/div>\n

<\/div>\n

 <\/p>\n

 <\/p>\n

(\uc6d0\ubb38: \uc5ec\uae30<\/a>\ub97c \ud074\ub9ad\ud558\uc138\uc694~)<\/p>\n

 <\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

    A slim robotic arm (silver) winds around the stem of a blue passion flower. Credit: IIT-Istituto Italiano di Tecnologia     Artificial device(more…)<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[36,29,30],"tags":[],"class_list":["post-2602","post","type-post","status-publish","format-standard","hentry","category-lets-do-physics","category-lets-do-science","category-recent-science-news"],"aioseo_notices":[],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack-related-posts":[{"id":3861,"url":"https:\/\/biochemistry.khu.ac.kr\/lab\/?p=3861","url_meta":{"origin":2602,"position":0},"title":"Tiny robot bee powered by light takes flight","author":"biochemistry","date":"July 3, 2019","format":false,"excerpt":"\u00a0 Machine carries ultra-lightweight solar cells \u2014 and weighs less than a paper clip. \u00a0 \u00a0 https:\/\/www.youtube.com\/watch?v=loHzoeFP9Io&feature=youtu.be \ub610\ub294 \uc5ec\uae30\ub97c \ud074\ub9ad\ud558\uc138\uc694~ \u00a0 Read the paper: Untethered flight of an insect-sized flapping-wing microscale aerial vehicle \u00a0 \u00a0 For years, scientists have wanted to create flying robotic vehicles the size of insects. 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Plant cells\u2026","rel":"","context":"In "Let's Do Biology!"","block_context":{"text":"Let's Do Biology!","link":"https:\/\/biochemistry.khu.ac.kr\/lab\/?cat=33"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1436,"url":"https:\/\/biochemistry.khu.ac.kr\/lab\/?p=1436","url_meta":{"origin":2602,"position":4},"title":"Robots help autistic kids interact with adults","author":"biochemistry","date":"August 24, 2018","format":false,"excerpt":"\u00a0 \u00a0 (\uc6d0\ubb38: \uc5ec\uae30\ub97c \ud074\ub9ad\ud558\uc138\uc694~) \u00a0 Science\u00a0\u00a024 Aug 2018: Vol. 361, Issue 6404, pp. 763-764 DOI: 10.1126\/science.361.6404.763-f \u00a0 \u00a0 Children with autism spectrum disorder (ASD) often struggle with social behaviors such as recognizing emotional responses in others and understanding gaze direction. 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