{"id":818,"date":"2004-12-03T09:53:00","date_gmt":"2004-12-03T08:53:00","guid":{"rendered":"https:\/\/kids.esa.int\/shapeshifting_metals\/"},"modified":"2026-10-08T00:32:38","modified_gmt":"2026-10-07T22:32:38","slug":"shapeshifting_metals","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/sl\/shapeshifting_metals\/","title":{"rendered":"Kovine, ki spreminjajo obliko"},"content":{"rendered":"
\n

Se bojite obiska pri zobozdravniku? Si \u017eelite, da bi obstajal la\u017eji na\u010din za doseganje popolnega nasmeha?<\/p>\n<\/div>\n

Raziskave v vesolju prispevajo k zmanj\u0161anju \u0161tevila obiskov pri zobozdravniku z uvedbo zlitin s spominom na obliko (SMA). Te \u2018pametne\u2019 kovine imajo neverjetno sposobnost, da si \u2018zapomnijo\u2019 razli\u010dne polo\u017eaje.<\/p>\n

Tako kot elasti\u010dna traka se po raztezanju ali prepogibanju vrnejo v prvotno obliko. \u010ce jih upogibamo v novo obliko, se z ogrevanjem vrnejo v prvotno stanje.<\/p>\n

Evropski vesoljski program je te zlitine razvil za avtomatska stikala. Vendar so kmalu na\u0161le \u0161tevilne uporabe, med drugim tudi pri zdravljenju zlomljenih kosti.<\/p>\n

Sponke, izdelane iz upognjene SMA-\u017eice, se pritrdijo \u010dez zlom. Toplota telesa nato povzro\u010di, da se sponke zaprejo in tako stisnejo kosti skupaj.<\/p>\n

Ne le da zaprejo zlom, ampak tudi okrepijo kost, dokler se ta ne zaceli. Na enak na\u010din se jih lahko uporablja tudi za nadzorovanje premikanja zob.<\/p>\n

Pribli\u017eno \u010detrtina vseh otrok mora obiskati zobozdravnika, da se izbolj\u0161a razpored njihovih zob. Z uporabo SMA-jev je zdaj mogo\u010de zapolniti vrzeli med zobmi ali jih ne\u017eno, a hitro poravnati. To pomeni manj bole\u010din in manj obiskov v zobni ordinaciji.<\/p>","protected":false},"excerpt":{"rendered":"

Do you dread going to the dentist? Do you wish there was an easier way to obtain that perfect smile? Space research is helping to cut back on visits to […]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"esa_banner_image":"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2004\/12\/dentist_22\/17900050-2-eng-GB\/dentist_2.jpg","esa_banner_description":"","esa_banner_credit":"AP Photo\/Chuck Burton","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2004\/12\/dentist_22","esa_external_url":"","esa_external_new_window":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":true},"categories":[10,54,40],"tags":[2],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-818","post","type-post","status-publish","format-standard","hentry","category-learn","category-space-technologies-on-earth","category-technology","tag-background-article"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/sl\/wp-json\/wp\/v2\/posts\/818","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/sl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/sl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/sl\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/sl\/wp-json\/wp\/v2\/comments?post=818"}],"version-history":[{"count":1,"href":"https:\/\/kids.esa.int\/sl\/wp-json\/wp\/v2\/posts\/818\/revisions"}],"predecessor-version":[{"id":1961,"href":"https:\/\/kids.esa.int\/sl\/wp-json\/wp\/v2\/posts\/818\/revisions\/1961"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/sl\/wp-json\/wp\/v2\/media?parent=818"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/sl\/wp-json\/wp\/v2\/categories?post=818"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/sl\/wp-json\/wp\/v2\/tags?post=818"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/sl\/wp-json\/wp\/v2\/panel?post=818"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/sl\/wp-json\/wp\/v2\/language?post=818"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/sl\/wp-json\/wp\/v2\/age?post=818"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/sl\/wp-json\/wp\/v2\/duration?post=818"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/sl\/wp-json\/wp\/v2\/resource_type?post=818"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/sl\/wp-json\/wp\/v2\/audience?post=818"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/sl\/wp-json\/wp\/v2\/wf_post_folders?post=818"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}