{"id":5839,"date":"2017-01-16T00:00:00","date_gmt":"2017-01-15T23:00:00","guid":{"rendered":"https:\/\/instrid.sk\/uncategorized\/energia-je-vsade-zavisi-uz-iba-na-ludskej-vynaliezavosti-ako-ju-ziska\/"},"modified":"2017-01-16T00:00:00","modified_gmt":"2017-01-15T23:00:00","slug":"energia-je-vsade-zavisi-uz-iba-na-ludskej-vynaliezavosti-ako-ju-ziska","status":"publish","type":"post","link":"https:\/\/instrid.sk\/en\/archiv\/energia-je-vsade-zavisi-uz-iba-na-ludskej-vynaliezavosti-ako-ju-ziska\/","title":{"rendered":"Energy is everywhere, it just depends on human ingenuity how to obtain it."},"content":{"rendered":"<h3><span style=\"font-weight: 400;\"><strong>V na\u0161om \u010dl\u00e1nku sa do\u010d\u00edtate o piatich kuri\u00f3znych sp\u00f4soboch, ak\u00fdmi je mo\u017en\u00e9 z\u00edskava\u0165 energiu a pritom splni\u0165 podmienky pre udr\u017eate\u013enos\u0165 a ekologick\u00fa nez\u00e1vadnos\u0165.<\/strong> <\/span><\/h3>\n<p><strong><strong>\u00a0<\/strong><\/strong><\/p>\n<p><span style=\"font-weight: 400;\">O \u010distej energii \u010d\u00edtame pomerne \u010dasto, je v\u0161ak celkom nepochybn\u00e9, \u017ee v\u00e4\u010d\u0161ina \u013eud\u00ed nem\u00e1 predstavu, \u010do za \u0148u v skuto\u010dnosti odborn\u00edci pova\u017euj\u00fa. Pojem \u010dist\u00e1 energia nehovor\u00ed o samotnom druhu energie, ale o sp\u00f4sobe jej z\u00edskavania. Ke\u010f vieme vytvori\u0165 elektrinu zo svetla alebo pohybu, nevznik\u00e1 pritom \u017eiadny odpad a vtedy m\u00f4\u017eeme hovori\u0165 o tej to\u013eko sklo\u0148ovanej \u010distote a udr\u017eate\u013enosti. <\/span><\/p>\n<p>Nech to na prv\u00fd poh\u013ead vyzer\u00e1 akoko\u013evek nepravdepodobne, zatia\u013e najefekt\u00edvnej\u0161ou technol\u00f3giou z\u00edskavania energie je pr\u00e1ve \u0161tiepenie at\u00f3mov v at\u00f3mov\u00fdch elektr\u00e1r\u0148ach. Je to v\u0161ak extr\u00e9mne n\u00e1ro\u010dn\u00fd, vysoko prec\u00edzny proces, ktor\u00fd nemo\u017eno vykon\u00e1va\u0165 v dom\u00e1cich podmienkach a vzh\u013eadom na jeho vysok\u00fa efektivitu a \u201cv\u00fd\u0165a\u017enos\u0165\u201d sa hod\u00ed pre cel\u00e9 \u013eudsk\u00e9 aglomer\u00e1cie. Odpad je r\u00e1dioakt\u00edvny a pretrv\u00e1va cel\u00e9 tis\u00edcro\u010dia, d\u00e1 sa v\u0161ak bezpe\u010dne skladova\u0165 a neovplyv\u0148uje \u017eivotn\u00e9 prostredie. D\u00f4sledky pr\u00edpadnej nehody s\u00fa fat\u00e1lne. Pr\u00e1ve preto nikdy neut\u00edchne snaha o v\u00fdvoj nov\u00fdch rie\u0161en\u00ed s men\u0161\u00edm v\u00fdkonom, ktor\u00fdch pr\u00edpadn\u00e1 porucha nemus\u00ed znamena\u0165 katastrofu.<\/p>\n<p><span style=\"font-weight: 400;\">\u013dudskej vynaliezavosti sa v\u0161ak neklad\u00fa \u017eiadne medze a zd\u00e1 sa, \u017ee ka\u017ed\u00fd mesiac vedeck\u00ed pracovn\u00edci a nad\u0161en\u00ed laici prich\u00e1dzaj\u00fa s nov\u00fdmi a nov\u00fdmi sp\u00f4sobmi, ako z\u00edskava\u0165 energiu. Tieto vyn\u00e1lezy, hoci \u010dasto nie ve\u013emi efekt\u00edvne, s\u00fa d\u00f4kazom, \u017ee energia je v\u0161ade v\u00f4kol n\u00e1s a sta\u010d\u00ed trocha vynaliezavosti na to, aby ju \u013eudstvo vedelo vyu\u017ei\u0165 vo svoj prospech. <\/span><\/p>\n<p><strong><strong>\u00a0<\/strong><\/strong><\/p>\n<h2><b>#1 Dla\u017eba <\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Technol\u00f3gia Pavegen men\u00ed oby\u010dajn\u00e9 \u013eudsk\u00e9 kroky na elektrinu, ktorou je mo\u017en\u00e9 osvet\u013eova\u0165 priestory interi\u00e9ru alebo nab\u00edja\u0165 mobiln\u00e9 telef\u00f3ny. Technol\u00f3gia, ktor\u00e1 je st\u00e1le pomerne nov\u00e1 (m\u00e1 asi tri roky), vyu\u017e\u00edva oby\u010dajn\u00fa m\u00e4kk\u00fa dla\u017ebu, pod ktorou s\u00fa \u0161peci\u00e1lne podlo\u017eky meniace kinetick\u00fa energiu na elektrick\u00fa. V praxi to znamen\u00e1, \u017ee pri ka\u017edom polo\u017een\u00edm nohy na dla\u017ebu sa jej povrch o nieko\u013eko milimetrov zn\u00ed\u017ei a pr\u00e1ve t\u00e1to zmena vytv\u00e1ra elektrick\u00fd impulz. Je to pomerne jednoduch\u00e9 rie\u0161enie, ako osvet\u013eova\u0165 tmav\u00e9 \u010dasti ve\u013ek\u00fdch budov a pritom nevyu\u017e\u00edva\u0165 klasick\u00fa elektrick\u00fa sie\u0165. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">V\u00fdrobca technol\u00f3gie Pavegen vyu\u017eil jej princ\u00edp na \u0161kole vo Ve\u013ekej Brit\u00e1nii, kde takto osvetlil pomerne tmav\u00e9 chodby. Sta\u010d\u00ed, aby cez \u0148u prech\u00e1dzali \u0161tudenti a svetlo sa rozvieti celkom sam\u00e9, akoby bola v chodbe fotobunka.<\/span><\/p>\n<p><iframe src=\"https:\/\/www.youtube.com\/embed\/_9AZxB55xjI\" width=\"640\" height=\"360\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><br \/>\n<i>Zdroj: British company uses floor tiles to harness energy from school pupils&#8216; footsteps (youtube.com)<\/i><\/p>\n<h3><\/h3>\n<h2><\/h2>\n<p><span style=\"color: #ffffff;\">.<\/span><\/p>\n<h2>#2 Slne\u010dn\u00e9 l\u00fa\u010de s\u00fastreden\u00e9 pomocou sklenej gule<\/h2>\n<p><span style=\"font-weight: 400;\">Sf\u00e9rick\u00fd sol\u00e1rny kolektor Rawlemon je unik\u00e1t, preto\u017ee \u017eiadne podobn\u00e9 zariadenie na svete neexistuje. Je to zauj\u00edmav\u00e9, preto\u017ee dok\u00e1\u017ee ve\u013emi efekt\u00edvne meni\u0165 slne\u010dn\u00e9 svetlo na energiu, pou\u017e\u00edva pritom celkom be\u017en\u00e9 a cenovo dostupn\u00e9 sol\u00e1rne kolektory.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Rawlemon je kuri\u00f3zny sp\u00f4sobom, ak\u00fdm svetlo s\u00fastre\u010fuje na mal\u00fa plochu. Vyu\u017e\u00edva na to gu\u013eu, v ktorej sa svetlo l\u00e1me tak\u00fdm sp\u00f4sobom, \u017ee v\u0161etko zozbieran\u00e9 svetlo s\u00fastred\u00ed na jedno miesto. Intenz\u00edvnej\u0161ie svetlo znamen\u00e1 viac energie a hoci tento n\u00e1rast nie je extr\u00e9mny, je podstatn\u00fd.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">V porovnan\u00ed s robustn\u00fdmi sol\u00e1rnymi kolektormi tento sf\u00e9rick\u00fd Rawlemon zbiera prakticky v\u0161etko zo svojho okolia a nemus\u00ed sa preto ot\u00e1\u010da\u0165 za svetlom v priebehu d\u0148a. \u00da\u010dinnos\u0165 tohto rie\u0161enia je ve\u013emi p\u00f4sobiv\u00e1, a\u017e 57-percentn\u00e1. To je nadpriemern\u00e9 \u010d\u00edslo.<\/span><\/p>\n<p><iframe src=\"https:\/\/www.youtube.com\/embed\/IPJ92NoLlPQ\" width=\"640\" height=\"360\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><br \/>\n<i>Zdroj: rawlemon diffuse light test (youtube.com)<\/i><\/p>\n<p>&nbsp;<\/p>\n<h2><b>#3 Potravinov\u00fd odpad<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">South Dakota School of Mines &amp; Technology sa stalo p\u00f4dou pre experimenty \u0161tudenta Namita Shrestha, ktor\u00fd vyna\u0161iel sp\u00f4sob, ak\u00fdm meni\u0165 star\u00e9 hnij\u00faceho jedlo na elektrinu. V \u0161t\u00fadii odprezetovanej na vedeckom kongrese American Chemical Society uk\u00e1zal, ako prakticky sa d\u00e1 vyu\u017ei\u0165 obrovsk\u00e9 mno\u017estvo paradajok, ktor\u00e9 dnes nach\u00e1dzaj\u00fa svoje miesto na skl\u00e1dkach odpadu.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Paradajkov\u00fd odpad dok\u00e1\u017ee za ur\u010dit\u00fdch podmienok generova\u0165 elektrick\u00fa energiu, stoj\u00ed za t\u00fdm oby\u010dajn\u00e1 ch\u00e9mia. Shresth uv\u00e1dza, \u017ee iba \u0161t\u00e1t Florida ka\u017ed\u00fd rok vyprodukuje 396-tis\u00edc ton paradajkov\u00e9ho odpadu, ktor\u00fd by spr\u00e1vnym spracovan\u00edm mohol vyprodukova\u0165 dostatok elektrickej energie na jeden de\u0148 pohonu cel\u00e9ho Disneylandu.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Technol\u00f3gia z South Dakota School of Mines &amp; Technology je iba experiment\u00e1lna, ale funguje. Je d\u00f4kazom toho, \u017ee kombin\u00e1ciou zvedavosti, vynaliezavosti a snahy nie\u010do zmeni\u0165 sa d\u00e1 dosiahnu\u0165 ve\u013ea. V pr\u00edpade, \u017ee by sa technol\u00f3gia doviedla k dokonalosti, mohla by sa sta\u0165 sp\u00f4sobom v\u00fdroby energie z ak\u00e9hoko\u013evek bio odpadu. <\/span><\/p>\n<p><strong><strong>\u00a0<\/strong><\/strong><\/p>\n<h2><b>#4 Elektrina z tepla \u013eudsk\u00e9ho tela<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Premena tepla na elektrinu nie je vo svete energetiky ni\u010d nov\u00e9. Teplo z\u00edskavan\u00e9 priamo zo Zeme sa vyu\u017e\u00edva aj dnes vo ve\u013ekej miere a nevyzer\u00e1 to tak, \u017ee by sa v tom malo nie\u010do zmeni\u0165. Inovat\u00edvne je v\u0161ak vyu\u017eitie tepla, ktor\u00e9 vytv\u00e1ra \u013eudsk\u00e9 telo. Inteligentn\u00e9 hodinky Matrix PowerWatch dok\u00e1\u017eu toto neve\u013ek\u00e9 teplo efekt\u00edvne vyu\u017e\u00edva\u0165 na v\u00fdrobu elektriny, pri\u010dom nepotrebuj\u00fa in\u00fd zdroj nap\u00e1jania.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ke\u010f hodinky nie s\u00fa na ruke, automaticky sa prepn\u00fa do re\u017eimu sp\u00e1nku a ich spotreba je nulov\u00e1 alebo iba minim\u00e1lna. Po nasaden\u00ed na ruku za\u010dn\u00fa termoelektrick\u00fdm princ\u00edpom op\u00e4\u0165 vyu\u017e\u00edva\u0165 teplo \u013eudsk\u00e9ho tela a meni\u0165 ho na energiu pre mal\u00fd po\u010d\u00edta\u010d. V\u00fdrobca tvrd\u00ed, \u017ee s\u00fa jeho hodinky vodotesn\u00e9, odoln\u00e9 a lacn\u00e9. Pred\u00e1va\u0165 by sa mali za\u010da\u0165 u\u017e tento rok v lete za cenu asi iba 170 eur.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><iframe src=\"https:\/\/www.youtube.com\/embed\/PSyl_-0NRMw\" width=\"640\" height=\"360\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><br \/>\n<i>Zdroj: This New Smartwatch Uses Your Body Heat To Charge (youtube.com)<\/i><\/p>\n<p><strong><strong>\u00a0<\/strong><\/strong><\/p>\n<h2><b>#5 Sol\u00e1rne panely zabudovan\u00e9 v stre\u0161nej krytine<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">O sol\u00e1rnych paneloch sme p\u00edsali o nieko\u013eko odstavcov vy\u0161\u0161ie, kde sa s pomocou prieh\u013eadnej gule s\u00fastre\u010foval sveteln\u00fd l\u00fa\u010d na jedno miesto. Nemo\u017eno v\u0161ak tvrdi\u0165, \u017ee by boli tradi\u010dn\u00e9 sol\u00e1rne kolektory neefekt\u00edvne alebo zbyto\u010dn\u00e9. Aj tie prech\u00e1dzaj\u00fa v\u00fdvojom a ich najnov\u0161ia podoba je o to p\u00f4sobivej\u0161ia, \u017ee s\u00fa nerozpoznate\u013en\u00e9 od klasickej stre\u0161nej krytiny.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Stre\u0161n\u00e1 krytina s tradi\u010dn\u00fdm dizajnom obsahuj\u00faca sol\u00e1rne kolektory, to je novinka od americkej zna\u010dky Tesla, ktor\u00e1 vyr\u00e1ba rovnomenn\u00e9 elektrick\u00e9 automobily. Tieto krytiny na prv\u00fd a aj druh\u00fd poh\u013ead v ni\u010dom nel\u00ed\u0161ia od tej be\u017enej, napriek tomu je rozdiel medzi nimi priam priepastn\u00fd. Tesla Solar Roof popri n\u00edzkych nadob\u00fadac\u00edch n\u00e1kladoch vyr\u00e1baj\u00fa elektrinu po\u010das cel\u00e9ho d\u0148a a s\u00fa tak schopn\u00e9 z\u00e1sobova\u0165 energiou cel\u00fa dom\u00e1cnos\u0165. Nadbyto\u010dn\u00e1 energia sa skladuje vo ve\u013ekokapacitn\u00fdch bat\u00e9ri\u00e1ch, aby sa mohla vyu\u017ei\u0165 nesk\u00f4r.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><iframe src=\"https:\/\/www.youtube.com\/embed\/uWcGRYT-aeE\" width=\"640\" height=\"360\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><br \/>\n<i>Zdroj: Tesla&#8217;s solar roofs could revolutionize the industry (youtube.com)<\/i><\/p>\n<p><strong><strong>\u00a0<\/strong><\/strong><\/p>\n<h2><strong>H\u013eadanie m\u00e1 v\u00fdznam<\/strong><\/h2>\n<p><span style=\"font-weight: 400;\">Energia je skuto\u010dne v\u0161ade okolo n\u00e1s. \u013dudstvo dnes stoj\u00ed pred ve\u013ekou v\u00fdzvou n\u00e1js\u0165 nov\u00e9 rie\u0161enia, \u010di u\u017e megalomansk\u00e9 alebo prenosn\u00e9, aby t\u00fato energiu vedelo premie\u0148a\u0165 na elektrinu a \u010falej ju vyu\u017e\u00edva\u0165 pod\u013ea vlastnej potreby.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">U\u017e dnes vieme s istotou poveda\u0165, \u017ee \u010dist\u00e1 energia nie je sci-fi a \u017ee aj doprava, ktor\u00e1 je dnes najv\u00e4\u010d\u0161\u00edm probl\u00e9mom \u013eudstva v kontexte dopadu na \u017eivotn\u00e9 prostredie, m\u00f4\u017ee by\u0165 ekologicky nez\u00e1vadn\u00e1. Preto m\u00e1 v\u00fdznam neust\u00e1le vym\u00fd\u0161\u013ea\u0165 nov\u00e9 princ\u00edpy, nov\u00e9 technol\u00f3gie, experimentova\u0165 a nenecha\u0165 sa odradi\u0165 zau\u017e\u00edvan\u00fdmi stereotypmi.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>V na\u0161om \u010dl\u00e1nku sa do\u010d\u00edtate o piatich kuri\u00f3znych sp\u00f4soboch, ak\u00fdmi je mo\u017en\u00e9 z\u00edskava\u0165 energiu a pritom splni\u0165 podmienky pre udr\u017eate\u013enos\u0165 a ekologick\u00fa nez\u00e1vadnos\u0165. \u00a0 O<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[51],"tags":[],"class_list":["post-5839","post","type-post","status-publish","format-standard","hentry","category-archiv","two-columns"],"_links":{"self":[{"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/posts\/5839","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/comments?post=5839"}],"version-history":[{"count":0,"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/posts\/5839\/revisions"}],"wp:attachment":[{"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/media?parent=5839"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/categories?post=5839"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/tags?post=5839"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}