{"id":3106,"date":"2021-05-11T10:12:59","date_gmt":"2021-05-11T10:12:59","guid":{"rendered":"https:\/\/vsptuj.si\/?p=3106"},"modified":"2025-05-28T13:34:36","modified_gmt":"2025-05-28T11:34:36","slug":"kako-na-podlagi-gibanja-vodnih-polzev-ustvariti-novi-nacina-pogona","status":"publish","type":"post","link":"https:\/\/vsptuj.si\/en\/2021\/05\/11\/kako-na-podlagi-gibanja-vodnih-polzev-ustvariti-novi-nacina-pogona\/","title":{"rendered":"How to create new propulsion methods based on the movement of aquatic snails"},"content":{"rendered":"<p><strong>The water snail can move beneath the water surface by creating small waves in the interface between the mucus and water. <\/strong>Lymnaea stagnalis \u2013 a freshwater snail found in calmer waters or ponds. Their soft body is covered with numerous glands that constantly secrete mucus, which reduces friction with the ground. This allows them to crawl along the substrate and protects their soles from mechanical damage.<\/p>\n<p>They move by contracting the muscles of the foot. In some snails, the foot is divided longitudinally into left and right halves, which can be moved separately or alternately, which allows the snails to move more efficiently on the substrate. Many snails have numerous outgrowths growing from the foot that help the animals swim. Most snails can retract their foot into a housing when threatened.<\/p>\n<p>Engineers have revealed the possibility of a new form of propulsion based on the way water snails create waves of mucus to crawl across underwater surfaces. The engineers explain how and why water snails can drag themselves across liquid surfaces that they cannot even grip. Based on the research, the secret lies in the mucus. The main finding of the research is that soft surfaces, such as the free surface of a pond or lake, can be distorted by applying forces; these distortions can be used by the animal to generate propulsion and move.<\/p>\n<p>Some freshwater and marine snails crawl by \u201changing\u201d from the water\u2019s surface while secreting a trail of slime. The snail\u2019s feet fold into small waves, which cause corresponding ripples in the layer of slime it secretes between the foot and the air. Parts of the slime film compress while other parts stretch, creating pressure that propels the foot forward.<\/p>\n<p><a href=\"https:\/\/vsptuj.si\/en\/o-nas\/\" data-rich-text-format-boundary=\"true\">Visit us on social media (Facebook, Instagram)<\/a><\/p>\n\n\n<p class=\"wp-block-paragraph\">Summarized by <a href=\"https:\/\/asknature.org\/strategy\/foot-aids-underwater-movement\/\">AskNature.org<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Vodni pol\u017e se lahko pod vodno gladino premika tako, da ustvari majhne valove v vmesnem delu, sluz in vode. Lymnaea stagnalis \u2013 sladkovodni pol\u017e, ki se nahaja v mirnej\u0161ih vodah oziroma ribnikih.\u00a0Njihovo mehko telo je prekrito s \u0161tevilnimi \u017elezami, ki neprestano izlo\u010dajo sluz, ki zmanj\u0161uje trenje s tlemi. Ta jim omogo\u010da plazenje po podlagi in [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":3107,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_eb_attr":"","inline_featured_image":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3106","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Kako na podlagi gibanja vodnih pol\u017eev ustvariti novi na\u010dina pogona - sluz<\/title>\n<meta name=\"description\" content=\"Vodni pol\u017e se lahko pod vodno gladino premika tako, da ustvari majhne valove v vmesnem delu, sluz in vode.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/vsptuj.si\/en\/2021\/05\/11\/kako-na-podlagi-gibanja-vodnih-polzev-ustvariti-novi-nacina-pogona\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Kako na podlagi gibanja vodnih pol\u017eev ustvariti novi na\u010dina pogona - sluz\" \/>\n<meta property=\"og:description\" content=\"Vodni pol\u017e se lahko pod vodno gladino premika tako, da ustvari majhne valove v vmesnem delu, sluz in vode.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/vsptuj.si\/en\/2021\/05\/11\/kako-na-podlagi-gibanja-vodnih-polzev-ustvariti-novi-nacina-pogona\/\" \/>\n<meta property=\"og:site_name\" content=\"Visoka \u0160ola na Ptuju\" \/>\n<meta property=\"article:published_time\" content=\"2021-05-11T10:12:59+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-05-28T11:34:36+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/vsptuj.si\/wp-content\/uploads\/2021\/05\/lymnea-stagnalis_04_1200px-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"753\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"V\u0160P\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"V\u0160P\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/vsptuj.si\\\/2021\\\/05\\\/11\\\/kako-na-podlagi-gibanja-vodnih-polzev-ustvariti-novi-nacina-pogona\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/vsptuj.si\\\/2021\\\/05\\\/11\\\/kako-na-podlagi-gibanja-vodnih-polzev-ustvariti-novi-nacina-pogona\\\/\"},\"author\":{\"name\":\"V\u0160P\",\"@id\":\"https:\\\/\\\/vsptuj.si\\\/#\\\/schema\\\/person\\\/8af93224c898001e6803647588226171\"},\"headline\":\"Kako na podlagi gibanja vodnih pol\u017eev ustvariti novi na\u010dina pogona\",\"datePublished\":\"2021-05-11T10:12:59+00:00\",\"dateModified\":\"2025-05-28T11:34:36+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/vsptuj.si\\\/2021\\\/05\\\/11\\\/kako-na-podlagi-gibanja-vodnih-polzev-ustvariti-novi-nacina-pogona\\\/\"},\"wordCount\":326,\"image\":{\"@id\":\"https:\\\/\\\/vsptuj.si\\\/2021\\\/05\\\/11\\\/kako-na-podlagi-gibanja-vodnih-polzev-ustvariti-novi-nacina-pogona\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/vsptuj.si\\\/wp-content\\\/uploads\\\/2021\\\/05\\\/lymnea-stagnalis_04_1200px-1.jpg\",\"articleSection\":[\"Uncategorized\"],\"inLanguage\":\"en-GB\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/vsptuj.si\\\/2021\\\/05\\\/11\\\/kako-na-podlagi-gibanja-vodnih-polzev-ustvariti-novi-nacina-pogona\\\/\",\"url\":\"https:\\\/\\\/vsptuj.si\\\/2021\\\/05\\\/11\\\/kako-na-podlagi-gibanja-vodnih-polzev-ustvariti-novi-nacina-pogona\\\/\",\"name\":\"Kako na podlagi gibanja vodnih pol\u017eev ustvariti novi na\u010dina pogona - 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