P\u0159em\u00fd\u0161leli jste n\u011bkdy, co se skr\u00fdv\u00e1 pod elegantn\u00edm vzhledem va\u0161eho iPhonu? V\u011bdci vymysleli neobvyklou metodu, jak odhalit skryt\u00e9 poklady uvnit\u0159: rozmixovali ho na prach.<\/p>\n\n
V\u011bdci z University of Plymouth vzali iPhone 4S a podrobily ho drsn\u00e9mu zach\u00e1zen\u00ed v mix\u00e9ru. Rozmixov\u00e1n\u00edm na drobn\u00e9 \u010d\u00e1stice dok\u00e1zali analyzovat jeho element\u00e1rn\u00ed slo\u017een\u00ed.<\/p>\n\n
T\u00fdm objevil v iPhonu rozmanitou \u0161k\u00e1lu nejm\u00e9n\u011b 39 prvk\u016f s potenci\u00e1lem pro mnohem v\u00edce. Mezi nejhojn\u011bj\u0161\u00ed pat\u0159ilo \u017eelezo, k\u0159em\u00edk a chrom.<\/p>\n\n
Obzvl\u00e1\u0161tn\u00ed z\u00e1jem vzbuzovala p\u0159\u00edtomnost kritick\u00fdch prvk\u016f, co\u017e jsou vz\u00e1cn\u00e9 l\u00e1tky \u010del\u00edc\u00ed rizik\u016fm dod\u00e1vek. iPhone obsahoval zna\u010dn\u00e9 mno\u017estv\u00ed wolframu, kobaltu, molybdenu, neodymu a praseodymu.<\/p>\n\n
P\u0159ekvapiv\u011b v\u011bdci tak\u00e9 odhalili stopy drah\u00fdch kov\u016f, v\u010detn\u011b 90 miligram\u016f st\u0159\u00edbra a 36 miligram\u016f zlata. Tato koncentrace zlata je 100kr\u00e1t vy\u0161\u0161\u00ed, ne\u017e by geologov\u00e9 pova\u017eovali za \u201evysoce kvalitn\u00ed\u201c v miner\u00e1ln\u00edm zdroji.<\/p>\n\n
T\u011b\u017eba t\u011bchto kov\u016f a miner\u00e1l\u016f m\u00e1 zna\u010dn\u00e9 ekologick\u00e9 n\u00e1klady. T\u011b\u017eebn\u00ed operace mohou zanechat velk\u00e9 d\u00edry v zemi a zne\u010distit okoln\u00ed ekosyst\u00e9my.<\/p>\n\n
V n\u011bkter\u00fdch p\u0159\u00edpadech byla t\u011b\u017eba spojena s hrozn\u00fdm poru\u0161ov\u00e1n\u00edm lidsk\u00fdch pr\u00e1v. T\u011b\u017eba kobaltu v Demokratick\u00e9 republice Kongo je su\u017eov\u00e1na d\u016fkazy o d\u011btsk\u00e9 pr\u00e1ci, zat\u00edmco obchod s c\u00ednem, wolframem a tantatem ve v\u00e1le\u010dn\u00fdch oblastech m\u016f\u017ee b\u00fdt vyu\u017eit k financov\u00e1n\u00ed ozbrojen\u00fdch konflikt\u016f.<\/p>\n\n
Pro zm\u00edrn\u011bn\u00ed ekologick\u00fdch a soci\u00e1ln\u00edch dopad\u016f v\u00fdroby chytr\u00fdch telefon\u016f je z\u00e1sadn\u00ed recyklace. Op\u011btovn\u00fdm pou\u017eit\u00edm materi\u00e1l\u016f m\u016f\u017eeme sn\u00ed\u017eit pot\u0159ebu t\u011b\u017eby a jej\u00ed spojen\u00e9 d\u016fsledky.<\/p>\n\n
Spole\u010dnost Apple ozn\u00e1mila pl\u00e1ny na podporu recyklace a boj proti vyko\u0159is\u0165ov\u00e1n\u00ed p\u0159i t\u011b\u017eb\u011b. Tyto iniciativy se v\u0161ak je\u0161t\u011b pln\u011b neuskute\u010dnily.<\/p>\n\n
C\u00edlem projektu drcen\u00ed iPhon\u016f na University of Plymouth je zv\u00fd\u0161it pov\u011bdom\u00ed o kritick\u00fdch prvc\u00edch a potenci\u00e1ln\u00edch ekologick\u00fdch a lidskopr\u00e1vn\u00edch probl\u00e9mech spojen\u00fdch s v\u00fdrobou chytr\u00fdch telefon\u016f.<\/p>\n\n
Jako spot\u0159ebitel\u00e9 m\u016f\u017eeme hr\u00e1t roli p\u0159i podpo\u0159e recyklace chytr\u00fdch telefon\u016f a udr\u017eiteln\u00fdch postup\u016f. Uv\u011bdom\u011bn\u00edm si materi\u00e1l\u016f, ze kter\u00fdch se na\u0161e za\u0159\u00edzen\u00ed vyr\u00e1b\u011bj\u00ed, m\u016f\u017eeme v elektronick\u00e9m pr\u016fmyslu podpo\u0159it pozitivn\u00ed zm\u011bny.<\/p>","protected":false},"excerpt":{"rendered":"
Co se skr\u00fdv\u00e1 uvnit\u0159 va\u0161eho iPhonu: Chemick\u00fd rozklad Odhalen\u00ed skryt\u00e9ho sv\u011bta kov\u016f a miner\u00e1l\u016f P\u0159em\u00fd\u0161leli jste n\u011bkdy, co se skr\u00fdv\u00e1 pod elegantn\u00edm vzhledem va\u0161eho iPhonu? V\u011bdci vymysleli neobvyklou metodu, jak…<\/p>\n","protected":false},"author":6,"featured_media":23695,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[999],"tags":[995,996,368,994,69,997,998,120],"class_list":["post-385","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technology","tag-chemical-composition","tag-critical-elements","tag-environmental-impact","tag-iphone","tag-human-rights","tag-precious-metals","tag-recycling","tag-sustainability"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/385","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/comments?post=385"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/385\/revisions"}],"predecessor-version":[{"id":386,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/385\/revisions\/386"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media\/23695"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media?parent=385"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/categories?post=385"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/tags?post=385"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}