{"id":685680,"date":"2026-04-05T06:06:03","date_gmt":"2026-04-05T06:06:03","guid":{"rendered":"https:\/\/microscopemedia.com\/?p=685680"},"modified":"2026-04-05T06:06:03","modified_gmt":"2026-04-05T06:06:03","slug":"o-descoperire-neasteptata-despre-orez-a-dus-la-crearea-unui-material-inteligent-care-ar-putea-fi-utilizat-in-roboti-moi","status":"publish","type":"post","link":"https:\/\/microscopemedia.com\/?p=685680","title":{"rendered":"O descoperire nea\u0219teptat\u0103 despre orez a dus la crearea unui material inteligent care ar putea fi utilizat \u00een robo\u021bi \u201emoi\u201d"},"content":{"rendered":"<div><img decoding=\"async\" src=\"https:\/\/microscopemedia.com\/wp-content\/uploads\/2026\/04\/o-descoperire-neasteptata-despre-orez-a-dus-la-crearea-unui-material-inteligent-care-ar-putea-fi-utilizat-in-roboti-moi.jpg\" class=\"ff-og-image-inserted\"><\/div>\n<p id=\"p-0\">Orezul se comport\u0103 \u00eentr-un mod nea\u0219teptat atunci c\u00e2nd este supus presiunii. Dac\u0103 este comprimat rapid, devine mai slab, dar sub o presiune aplicat\u0103 lent \u00ee\u0219i p\u0103streaz\u0103 rezisten\u021ba, scrie <a href=\"https:\/\/scitechdaily.com\/scientists-discover-strange-property-of-rice-and-turn-it-into-a-smart-material\/\" target=\"_blank\" rel=\"noopener\">Scitechdaily<\/a>.<\/p>\n<p id=\"p-1\"><strong>Aceast\u0103 descoperire \u00eei ajut\u0103 pe cercet\u0103tori s\u0103 dezvolte un nou tip de material care ar putea fi utilizat \u00een robo\u021bi \u201emoi\u201d, capabili s\u0103 \u00ee\u0219i ajusteze automat rigiditatea<\/strong>, precum \u0219i \u00een echipamente de protec\u021bie care reac\u021bioneaz\u0103 \u00een func\u021bie de viteza impactului.<\/p>\n<p id=\"p-2\">Folosind aceast\u0103 proprietate, <strong>cercet\u0103torii au creat un nou tip de \u201emetamaterial\u201d, adic\u0103 o structur\u0103 proiectat\u0103 special pentru a avea comportamente care nu se reg\u0103sesc \u00een mod natural<\/strong>.<\/p>\n<p id=\"p-3\">\u00centr-un studiu publicat \u00een revista Matter, o echip\u0103 interna\u021bional\u0103 coordonat\u0103 de University of Birmingham a descoperit c\u0103 <a href=\"https:\/\/www.mediafax.ro\/externe\/cel-mai-nou-sport-nou-din-japonia-cursele-stradale-cu-scaune-de-birou-premiul-90-de-kilograme-de-orez-23711720\" target=\"_blank\" rel=\"noopener\">boabele de orez<\/a> compactate reac\u021bioneaz\u0103 foarte diferit \u00een func\u021bie de viteza cu care este aplicat\u0103 for\u021ba.<\/p>\n<p id=\"p-4\">La viteze mai mari, materialul devine mai slab printr-un proces numit \u201e\u00eenmuiere dependent\u0103 de vitez\u0103\u201d (rate softening), un fenomen neobi\u0219nuit pentru majoritatea materialelor. Acest lucru se \u00eent\u00e2mpl\u0103 deoarece frecarea dintre boabe scade semnificativ odat\u0103 cu cre\u0219terea vitezei, perturb\u00e2nd re\u021belele interne de for\u021be care, \u00een mod normal, sus\u021bin sarcina.<\/p>\n<h2 id=\"chapter-0\">Cum a fost creat un material granular inteligent<\/h2>\n<p id=\"p-5\">Pentru a valorifica acest efect, echipa a combinat particule pe baz\u0103 de orez cu materiale precum nisipul, care devin mai rezistente atunci c\u00e2nd sunt supuse unor for\u021be rapide. Rezultatul este un material granular compozit care se poate \u00eendoi, deforma sau rigidiza \u00een func\u021bie de modul \u00een care este aplicat\u0103 for\u021ba, treptat sau brusc, f\u0103r\u0103 a folosi electronice, senzori sau sisteme de control active.<\/p>\n<p id=\"p-6\">\u201eOrezul este cunoscut \u00een primul r\u00e2nd ca aliment de baz\u0103 la nivel global, dar rareori este asociat cu ingineria avansat\u0103. Cercetarea noastr\u0103 arat\u0103 c\u0103 poate sta la baza unei noi clase de materiale func\u021bionale\u201d, a declarat Mingchao Liu.<\/p>\n<p id=\"p-7\">\u201e\u00cen loc s\u0103 trat\u0103m acest fenomen ca pe o simpl\u0103 curiozitate, l-am transformat \u00eentr-un principiu de proiectare. Aceast\u0103 abordare ne-a permis s\u0103 cre\u0103m un material care se poate \u00eendoi, deforma sau rigidiza diferit \u00een cazul mi\u0219c\u0103rilor lente fa\u021b\u0103 de impacturile bru\u0219te, f\u0103r\u0103 electronice, senzori sau control activ. \u00cen loc s\u0103 spunem unei structuri cum s\u0103 reac\u021bioneze, l\u0103s\u0103m fizica s\u0103 decid\u0103: for\u021bele rapide declan\u0219eaz\u0103 un comportament, iar cele lente un altul\u201d, a ad\u0103ugat cercet\u0103torul.<\/p>\n<h2 id=\"chapter-1\">De la materiale obi\u0219nuite la sisteme avansate<\/h2>\n<p id=\"p-8\">Descoperirile eviden\u021biaz\u0103 modul \u00een care materiale granulare obi\u0219nuite pot fi transformate \u00een sisteme care reac\u021bioneaz\u0103 inteligent, folosindu-se doar de propriet\u0103\u021bile lor mecanice.<\/p>\n<p id=\"p-9\">Aceste metamateriale sensibile la vitez\u0103 ar putea duce la progrese importante \u00een domeniul robo\u021bilor \u201emoi\u201d, permi\u021b\u00e2nd dezvoltarea unor ma\u0219ini mai u\u0219oare, mai sigure \u0219i mai adaptabile dec\u00e2t cele tradi\u021bionale din metal. Astfel de robo\u021bi ar putea lucra mai eficient al\u0103turi de oameni, \u00een medii extreme sau \u00een sarcini de mare precizie, precum asistarea interven\u021biilor chirurgicale.<\/p>\n<p id=\"p-10\">Deoarece materialul nu necesit\u0103 electronice, energie sau senzori, ar putea fi folosit \u0219i \u00een echipamente de protec\u021bie care reac\u021bioneaz\u0103 instantaneu la viteza impactului. Acesta poate absorbi energia sau se poate deforma controlat \u00een cazul unor for\u021be bru\u0219te, contribuind la reducerea riscului de accidentare.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Orezul se comport\u0103 \u00eentr-un mod nea\u0219teptat atunci c\u00e2nd este supus presiunii. Dac\u0103 este comprimat rapid, devine mai slab, dar sub o presiune aplicat\u0103 lent \u00ee\u0219i p\u0103streaz\u0103 rezisten\u021ba, scrie Scitechdaily. Aceast\u0103 &hellip; <a href=\"https:\/\/microscopemedia.com\/?p=685680\" class=\"more-link\">Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":685681,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"Default","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/microscopemedia.com\/index.php?rest_route=\/wp\/v2\/posts\/685680"}],"collection":[{"href":"https:\/\/microscopemedia.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/microscopemedia.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/microscopemedia.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/microscopemedia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=685680"}],"version-history":[{"count":0,"href":"https:\/\/microscopemedia.com\/index.php?rest_route=\/wp\/v2\/posts\/685680\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/microscopemedia.com\/index.php?rest_route=\/wp\/v2\/media\/685681"}],"wp:attachment":[{"href":"https:\/\/microscopemedia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=685680"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/microscopemedia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=685680"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/microscopemedia.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=685680"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}