{"id":3307,"date":"2020-09-21T02:24:49","date_gmt":"2020-09-21T02:24:49","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=3307"},"modified":"2020-09-21T02:24:49","modified_gmt":"2020-09-21T02:24:49","slug":"klara-dan-von-neumann-hidden-figure-weather-prediction","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/ro\/science\/meteorology\/klara-dan-von-neumann-hidden-figure-weather-prediction\/","title":{"rendered":"Klara Dan von Neumann: Figura ascuns\u0103 din spatele prognozei meteo moderne"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Klara Dan von Neumann: Figura ascuns\u0103 din spatele prognozei meteo moderne<\/h2>\n\n<h2 class=\"wp-block-heading\">Tinere\u021bea \u0219i educa\u021bia<\/h2>\n\n<p>Klara Dan von Neumann s-a n\u0103scut \u00een 1911 \u00eentr-o familie evreiasc\u0103 \u00eenst\u0103rit\u0103 din Budapesta, Ungaria. \u00cen ciuda faptului c\u0103 nu a avut o preg\u0103tire matematic\u0103 formal\u0103 dup\u0103 liceu, a dezvoltat un interes puternic pentru numere \u0219i rezolvarea de probleme.<\/p>\n\n<h2 class=\"wp-block-heading\">Colaborarea cu John von Neumann<\/h2>\n\n<p>\u00cen 1937, Klara s-a c\u0103s\u0103torit cu renumitul matematician John von Neumann. Dup\u0103 ce s-au mutat \u00een Statele Unite, a \u00eenceput s\u0103 lucreze cu el la diverse proiecte, inclusiv la Proiectul Manhattan. Prin munca ei cu von Neumann, Klara a devenit expert\u0103 \u00een programare matematic\u0103 \u0219i \u00een tainele program\u0103rii computerelor.<\/p>\n\n<h2 class=\"wp-block-heading\">Transformarea ENIAC<\/h2>\n\n<p>La sf\u00e2r\u0219itul anilor 1940, Klara \u0219i Nick Metropolis au colaborat la un plan de transformare a ENIAC dintr-o ma\u0219in\u0103 rigid\u0103 cu cabluri \u00eentr-unul dintre primele computere cu program stocat. Aceast\u0103 inova\u021bie a permis ENIAC s\u0103 stocheze un vast repertoriu de comenzi \u00een memoria sa, f\u0103c\u00e2ndu-l mult mai versatil \u0219i capabil s\u0103 gestioneze sarcini complexe.<\/p>\n\n<h2 class=\"wp-block-heading\">Contribu\u021bii la prognoza meteo<\/h2>\n\n<p>John von Neumann a recunoscut poten\u021bialul ENIAC cu program stocat pentru prognoza meteo. \u00cempreun\u0103 cu o echip\u0103 de meteorologi condus\u0103 de Jule Charney, au realizat un experiment inovator \u00een 1950 pentru a produce primele prognoze numerice ale vremii. Expertiza Klarei \u00een programare \u0219i profunda ei \u00een\u021belegere a capacit\u0103\u021bilor ENIAC au fost esen\u021biale pentru succesul acestui experiment.<\/p>\n\n<h2 class=\"wp-block-heading\">Experimentul ENIAC<\/h2>\n\n<p>Experimentul ENIAC a implicat efectuarea de calcule matematice complexe pe ENIAC pentru a simula modele meteorologice. Echipa a lucrat neobosit timp de peste o lun\u0103, dep\u0103\u0219ind numeroase provoc\u0103ri \u0219i obstacole tehnice. \u00cen ciuda capacit\u0103\u021bilor rudimentare ale ENIAC, au reu\u0219it s\u0103 produc\u0103 \u0219ase prognoze meteo retrospective care au demonstrat fezabilitatea prognozei numerice a vremii.<\/p>\n\n<h2 class=\"wp-block-heading\">Mo\u0219tenire \u0219i impact<\/h2>\n\n<p>Contribu\u021biile Klarei Dan von Neumann la domeniul prognozei meteo au fost \u00een mare m\u0103sur\u0103 trecute cu vederea timp de mul\u021bi ani. Cu toate acestea, rolul ei \u00een transformarea ENIAC \u00eentr-un computer cu program stocat \u0219i munca ei la experimentul meteorologic din 1950 au pus bazele prognozei meteo moderne. Ast\u0103zi, mo\u0219tenirea ei serve\u0219te ca o reamintire a rolului crucial pe care femeile l-au jucat \u00een progresele \u0219tiin\u021bifice, \u00een ciuda barierelor \u0219i prejudec\u0103\u021bilor societ\u0103\u021bii.<\/p>\n\n<h2 class=\"wp-block-heading\">Rolul femeilor \u00een STEM<\/h2>\n\n<p>Povestea Klarei Dan von Neumann scoate \u00een eviden\u021b\u0103 subreprezentarea istoric\u0103 a femeilor \u00een domeniile \u0219tiin\u021bei, tehnologiei, ingineriei \u0219i matematicii (STEM). De\u0219i femeile au adus contribu\u021bii semnificative \u00een zorii informaticii, num\u0103rul lor a sc\u0103zut \u00een ultimele decenii. Abordarea acestei disparit\u0103\u021bi de gen este esen\u021bial\u0103 pentru promovarea unei for\u021be de munc\u0103 STEM mai incluziv\u0103 \u0219i inovatoare.<\/p>\n\n<h2 class=\"wp-block-heading\">Viitorul prognozei meteo<\/h2>\n\n<p>Prognoza meteo modern\u0103 se bazeaz\u0103 \u00een mare m\u0103sur\u0103 pe modele computa\u021bionale avansate \u0219i pe tehnici de inteligen\u021b\u0103 artificial\u0103. Utilizarea acestor tehnologii a \u00eembun\u0103t\u0103\u021bit considerabil acurate\u021bea \u0219i actualitatea prognozelor meteo, salv\u00e2nd vie\u021bi \u0219i protej\u00e2nd propriet\u0103\u021bile. Pe m\u0103sur\u0103 ce puterea de calcul continu\u0103 s\u0103 creasc\u0103, ne putem a\u0219tepta la capacit\u0103\u021bi de prognoz\u0103 meteo \u0219i mai sofisticate \u0219i mai fiabile \u00een viitor.<\/p>\n\n<h2 class=\"wp-block-heading\">Concluzie<\/h2>\n\n<p>Contribu\u021biile Klarei Dan von Neumann la dezvoltarea prognozei numerice a vremii \u0219i rolul ei de femeie pionier\u0103 \u00een informatic\u0103 servesc drept inspira\u021bie pentru aspiran\u021bii la \u0219tiin\u021b\u0103 \u0219i inginerie. Recunosc\u00e2nd \u0219i celebr\u00e2nd figurile ascunse din spatele progreselor \u0219tiin\u021bifice, putem crea o societate mai just\u0103 \u0219i mai echitabil\u0103, \u00een care toat\u0103 lumea are \u0219ansa de a-\u0219i atinge \u00eentregul poten\u021bial.<\/p>","protected":false},"excerpt":{"rendered":"<p>Klara Dan von Neumann: Figura ascuns\u0103 din spatele prognozei meteo moderne Tinere\u021bea \u0219i educa\u021bia Klara Dan von Neumann s-a n\u0103scut \u00een 1911 \u00eentr-o familie evreiasc\u0103 \u00eenst\u0103rit\u0103 din Budapesta, Ungaria. \u00cen&hellip;<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1278],"tags":[1296,6383,4417,211,6385,1254,1541,6382,1299,6384],"class_list":["post-3307","post","type-post","status-publish","format-standard","hentry","category-meteorology","tag-big-data","tag-hidden-figures","tag-cloud-computing","tag-women-in-stem","tag-computer-science","tag-artificial-intelligence","tag-machine-learning","tag-klara-dan-von-neumann","tag-data-science","tag-weather-prediction"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/posts\/3307","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/comments?post=3307"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/posts\/3307\/revisions"}],"predecessor-version":[{"id":3308,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/posts\/3307\/revisions\/3308"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/media?parent=3307"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/categories?post=3307"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/tags?post=3307"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}