{"id":26270,"date":"2023-01-18T10:42:10","date_gmt":"2023-01-18T13:42:10","guid":{"rendered":"https:\/\/mindthegraph.com\/blog\/viruses-that-can-cause-cancer-copy\/"},"modified":"2023-01-25T10:55:01","modified_gmt":"2023-01-25T13:55:01","slug":"nuclear-fusion","status":"publish","type":"post","link":"https:\/\/mindthegraph.com\/blog\/sk\/jadrova-fuzia\/","title":{"rendered":"Jadrov\u00e1 f\u00fazia: Zrozumite\u013en\u00fd \u00favod"},"content":{"rendered":"

Vedcom sa podaril v\u00fdznamn\u00fd objav v oblasti jadrovej f\u00fazie, ktor\u00fd by mohol v bud\u00facnosti otvori\u0165 dvere k dostatku \u010distej energie. <\/p>\n\n\n\n

Toto zistenie bolo mo\u017en\u00e9 len v\u010faka viac ako polstoro\u010diu v\u00fdskumu jadrovej f\u00fazie. <\/p>\n\n\n\n

Tu je zrozumite\u013en\u00fd \u00favod do jadrovej f\u00fazie, aby ste mohli spr\u00e1vne pochopi\u0165 t\u00fato vzru\u0161uj\u00facu novinku.<\/p>\n\n\n\n

\u010co je jadrov\u00e1 f\u00fazia?<\/h2>\n\n\n\n

Jadrov\u00e1 synt\u00e9za je druh jadrov\u00e9ho procesu, ktor\u00fd nast\u00e1va, ke\u010f sa dve alebo viac at\u00f3mov\u00fdch jadier spoj\u00ed a vytvor\u00ed jedno v\u00e4\u010d\u0161ie jadro. <\/p>\n\n\n\n

F\u00fazne reakcie prebiehaj\u00fa v stave hmoty zn\u00e1mom ako plazma, \u010do je hor\u00faci, nabit\u00fd plyn zlo\u017een\u00fd z kladn\u00fdch i\u00f3nov a vo\u013ene sa pohybuj\u00facich elektr\u00f3nov s vlastnos\u0165ami odli\u0161n\u00fdmi od pevn\u00fdch l\u00e1tok, kvapal\u00edn alebo plynov. <\/p>\n\n\n\n

Jadrov\u00e1 f\u00fazia je mechanizmus, ktor\u00fdm sa Slnko a in\u00e9 hviezdy z\u00edskavaj\u00fa energiu<\/strong>.<\/p>\n\n\n\n

Napr\u00edklad: at\u00f3my tr\u00edcia a deut\u00e9ria (izotopy vod\u00edka Vod\u00edk-3 a Vod\u00edk-2) sa sp\u00e1jaj\u00fa a vytv\u00e1raj\u00fa neutr\u00f3n a izotop h\u00e9lia. Spolu s t\u00fdm sa uvo\u013e\u0148uje obrovsk\u00e9 mno\u017estvo energie.<\/p>\n\n\n\n

T\u00e1to energia sa m\u00f4\u017ee pou\u017ei\u0165 na v\u00fdrobu elektriny alebo na nap\u00e1janie in\u00fdch vec\u00ed. Predpoklad\u00e1 sa, \u017ee je to potenci\u00e1lne nekone\u010dn\u00fd a \u010dist\u00fd zdroj energie. <\/p>\n\n\n\n

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Aby sa jadr\u00e1 spojili, musia sa kontaktova\u0165 pri mimoriadne vysok\u00fdch teplot\u00e1ch, mo\u017eno a\u017e 10 mili\u00f3nov stup\u0148ov Celzia. V\u010faka vysokej teplote maj\u00fa dostatok energie na prekonanie vz\u00e1jomn\u00e9ho elektrick\u00e9ho odporu. Ke\u010f s\u00fa jadr\u00e1 ve\u013emi bl\u00edzko pri sebe, jadrov\u00e1 pr\u00ed\u0165a\u017elivos\u0165 medzi nimi prekon\u00e1 elektrick\u00e9 odpudzovanie a umo\u017en\u00ed im splynutie, ktor\u00e9ho v\u00fdsledkom je vytvorenie energie.<\/p>\n\n\n\n

Jadrov\u00e1 f\u00fazia vs. jadrov\u00e9 \u0161tiepenie<\/h2>\n\n\n\n

\u0160tiepenie aj f\u00fazia s\u00fa jadrov\u00e9 reakcie, pri ktor\u00fdch sa premiest\u0148uj\u00fa at\u00f3my a vznik\u00e1 energia, ale ak\u00fd je medzi nimi rozdiel? <\/p>\n\n\n\n

F\u00fazia je spojenie dvoch \u013eah\u0161\u00edch at\u00f3mov s cie\u013eom vytvori\u0165 v\u00e4\u010d\u0161\u00ed at\u00f3m, zatia\u013e \u010do \u0161tiepenie je rozdelenie jedn\u00e9ho at\u00f3mu na dva. V podstate ide o protichodn\u00e9 procesy.<\/p>\n\n\n\n

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Predpove\u010f Alberta Einsteina, \u017ee hmotnos\u0165 sa m\u00f4\u017ee premeni\u0165 na energiu, in\u0161pirovala objav delenia jadier. Vedci za\u010dali experimentova\u0165 v roku 1939 a o rok nesk\u00f4r Enrico Fermi postavil prv\u00fd jadrov\u00fd reaktor.<\/p>\n\n\n\n

Preva\u017ene nestabiln\u00fd izotop je zasiahnut\u00fd vysokor\u00fdchlostn\u00fdmi \u010dasticami, spravidla neutr\u00f3nmi, ktor\u00e9 s\u00fa ur\u00fdchlen\u00e9 a n\u00fatia ich narazi\u0165 do nestabiln\u00e9ho izotopu, \u010d\u00edm sa spust\u00ed \u0161tiepenie a rozpad na dva men\u0161ie izotopy, tri vysokor\u00fdchlostn\u00e9 neutr\u00f3ny a obrovsk\u00e9 mno\u017estvo energie. Ur\u00e1n-235 sa pou\u017e\u00edva ako neutr\u00f3n vo ve\u013ekej v\u00e4\u010d\u0161ine jadrov\u00fdch reaktorov. <\/p>\n\n\n\n

Vyroben\u00e1 energia sa vyu\u017e\u00edva na ohrev vody v jadrov\u00fdch reaktoroch, ktor\u00e9 n\u00e1sledne vyr\u00e1baj\u00fa elektrick\u00fa energiu. K\u00fdm sa vysokor\u00fdchlostn\u00e9 neutr\u00f3ny vybij\u00fa a stan\u00fa sa projektilmi, spustia nov\u00e9 \u0161tiepne procesy, zn\u00e1me aj ako re\u0165azov\u00e9 reakcie. <\/p>\n\n\n\n

Pri \u0161tiepen\u00ed jadra vznik\u00e1 ve\u013ek\u00e9 mno\u017estvo r\u00e1dioakt\u00edvneho odpadu, ktor\u00fd m\u00f4\u017ee by\u0165 nebezpe\u010dn\u00fd a mus\u00ed sa starostlivo skladova\u0165 - mo\u017eno aj stovky rokov. Jadrov\u00e1 f\u00fazia produkuje \u010dist\u00fa energiu bez r\u00e1dioakt\u00edvneho odpadu.<\/p>\n\n\n\n

Treba tie\u017e zd\u00f4razni\u0165, \u017ee \u0161tiepenie jadier nie je prirodzen\u00fd proces a mus\u00ed by\u0165 vyvolan\u00e9, zatia\u013e \u010do jadrov\u00e1 f\u00fazia je prirodzen\u00fd proces, napr. Slnko vyr\u00e1ba energiu prostredn\u00edctvom jadrovej f\u00fazie.<\/p>\n\n\n\n

Pre\u010do je jadrov\u00e1 f\u00fazia d\u00f4le\u017eit\u00e1?<\/h2>\n\n\n\n

F\u00fazne reaktory s\u00fa schopn\u00e9 poskytova\u0165 energiu s minim\u00e1lnymi alebo \u017eiadnymi emisiami sklen\u00edkov\u00fdch plynov, r\u00e1dioakt\u00edvnym odpadom alebo in\u00fdmi environment\u00e1lnymi d\u00f4sledkami. Mohli by poskytn\u00fa\u0165 prakticky neobmedzen\u00e9 z\u00e1soby \u010distej energie, \u010d\u00edm by sa zn\u00ed\u017eila na\u0161a z\u00e1vislos\u0165 od fos\u00edlnych pal\u00edv a in\u00fdch obmedzen\u00fdch zdrojov energie.<\/p>\n\n\n\n

Ke\u010f\u017ee f\u00fazne reaktory neprodukuj\u00fa vysokoakt\u00edvny odpad ako \u0161tiepne reaktory, ich likvid\u00e1cia bude jednoduch\u0161ia. Okrem toho, na rozdiel od \u0161tiepnych reaktorov, odpad nebude obsahova\u0165 r\u00e1dioakt\u00edvne prvky vhodn\u00e9 na v\u00fdrobu zbran\u00ed.<\/p>\n\n\n\n

Prelom v oblasti jadrovej f\u00fazie <\/h2>\n\n\n\n

Pod\u013ea Financial Times sa vedcom podarilo uvo\u013eni\u0165 2,5 MJ energie po tom, \u010do na ohrev paliva pomocou lasera pou\u017eili len 2,1 MJ. Tento objav mus\u00ed potvrdi\u0165 N\u00e1rodn\u00e9 zapa\u013eovacie zariadenie (NIF) v N\u00e1rodnom laborat\u00f3riu Lawrencea Livermora v Kalifornii, ale je to fantastick\u00e1 spr\u00e1va.<\/p>\n\n\n\n

Ide o v\u00fdznamn\u00fd vedeck\u00fd \u00faspech v oblasti jadrovej f\u00fazie, predov\u0161etk\u00fdm preto, \u017ee vedci po prv\u00fdkr\u00e1t \u00faspe\u0161ne vytvorili proces jadrovej f\u00fazie s kladn\u00fdm \u010dist\u00fdm energetick\u00fdm ziskom. <\/p>\n\n\n\n

Samozrejme, je potrebn\u00e9 vykona\u0165 e\u0161te ve\u013ea pr\u00e1ce, aby sa t\u00e1to mo\u017enos\u0165 stala realizovate\u013enou, ale pre vedu je v\u00fdznamn\u00fdm krokom vpred, \u017ee vedci dok\u00e1zali vygenerova\u0165 viac energie ako na za\u010diatku experimentu. To d\u00e1va v\u00fdskumu kontext a zmysel.<\/p>\n\n\n\n

\u0160\u00edrenie vizu\u00e1lnej vedeckej komunik\u00e1cie po celom svete<\/h2>\n\n\n\n

Roz\u0161\u00edrte svoju pr\u00e1cu po celom svete pomocou vizu\u00e1lnych plag\u00e1tov. Okrem toho, \u017ee sa va\u0161a pr\u00e1ca hod\u00ed na kr\u00e1tke \u010d\u00edtanie, odborne vytvoren\u00fd plag\u00e1t m\u00f4\u017ee pom\u00f4c\u0165 va\u0161ej pr\u00e1ci oslovi\u0165 publikum, o ktorom ste ani netu\u0161ili. Plag\u00e1ty sa \u013eah\u0161ie doru\u010duj\u00fa a \u0161\u00edria a ur\u010dite m\u00f4\u017eu sp\u00f4sobi\u0165, \u017ee si \u013eudia v\u00e1\u0161 v\u00fdskum zapam\u00e4taj\u00fa.<\/p>\n\n\n\n

Pou\u017eite jednoduch\u00fd n\u00e1stroj na tvorbu plag\u00e1tov. Pou\u017eite n\u00e1stroj Mind The Graph.<\/p>\n\n\n\n

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Zv\u00fd\u0161te svoj v\u00fdskum pomocou ilustr\u00e1ci\u00ed<\/a><\/div>\n<\/div>\n\n\n\n
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<\/p>","protected":false},"excerpt":{"rendered":"

Vedci ned\u00e1vno dosiahli pokrok v oblasti jadrovej f\u00fazie. Pozrite si tento jednoduch\u00fd \u00favod a dozviete sa o nej v\u0161etko.<\/p>","protected":false},"author":28,"featured_media":26279,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[959,28],"tags":[],"yoast_head":"\nNuclear Fusion: An easy-to-understand introduction<\/title>\n<meta name=\"description\" content=\"Scientists have recently achieved advances in nuclear fusion. Take a look at this easy introduction to learn everything about it.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mindthegraph.com\/blog\/sk\/jadrova-fuzia\/\" \/>\n<meta property=\"og:locale\" content=\"sk_SK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Nuclear Fusion: An easy-to-understand introduction\" \/>\n<meta property=\"og:description\" content=\"Scientists have recently achieved advances in nuclear fusion. Take a look at this easy introduction to learn everything about it.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/mindthegraph.com\/blog\/sk\/jadrova-fuzia\/\" \/>\n<meta property=\"og:site_name\" content=\"Mind the Graph Blog\" \/>\n<meta property=\"article:published_time\" content=\"2023-01-18T13:42:10+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-01-25T13:55:01+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/01\/nuclear-fusion-blog.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1123\" \/>\n\t<meta property=\"og:image:height\" content=\"612\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Jessica Abbadia\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Nuclear Fusion: An easy-to-understand introduction\" \/>\n<meta name=\"twitter:description\" content=\"Scientists have recently achieved advances in nuclear fusion. 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Currently developing scientific and intellectual knowledge for the community's benefit. Jessica is an animal rights activist who enjoys reading and drinking strong coffee.","sameAs":["https:\/\/www.linkedin.com\/in\/jessica-abbadia-9b834a13b\/"],"url":"https:\/\/mindthegraph.com\/blog\/sk\/author\/jessica\/"}]}},"_links":{"self":[{"href":"https:\/\/mindthegraph.com\/blog\/sk\/wp-json\/wp\/v2\/posts\/26270"}],"collection":[{"href":"https:\/\/mindthegraph.com\/blog\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mindthegraph.com\/blog\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/sk\/wp-json\/wp\/v2\/users\/28"}],"replies":[{"embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/sk\/wp-json\/wp\/v2\/comments?post=26270"}],"version-history":[{"count":2,"href":"https:\/\/mindthegraph.com\/blog\/sk\/wp-json\/wp\/v2\/posts\/26270\/revisions"}],"predecessor-version":[{"id":26287,"href":"https:\/\/mindthegraph.com\/blog\/sk\/wp-json\/wp\/v2\/posts\/26270\/revisions\/26287"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/sk\/wp-json\/wp\/v2\/media\/26279"}],"wp:attachment":[{"href":"https:\/\/mindthegraph.com\/blog\/sk\/wp-json\/wp\/v2\/media?parent=26270"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/sk\/wp-json\/wp\/v2\/categories?post=26270"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/sk\/wp-json\/wp\/v2\/tags?post=26270"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}