{"id":92702,"date":"2024-08-20T10:36:52","date_gmt":"2024-08-20T07:36:52","guid":{"rendered":"https:\/\/www.lovendal.ro\/wp52\/?p=92702"},"modified":"2024-08-20T10:36:52","modified_gmt":"2024-08-20T07:36:52","slug":"extraterestrii-din-dimensiunea-a-patra-ar-putea-sa-ne-invadeze-lumea-iar-noi-nici-macar-sa-nu-stim","status":"publish","type":"post","link":"https:\/\/www.lovendal.ro\/wp52\/extraterestrii-din-dimensiunea-a-patra-ar-putea-sa-ne-invadeze-lumea-iar-noi-nici-macar-sa-nu-stim\/","title":{"rendered":"Extratere\u015ftrii din dimensiunea a patra ar putea s\u0103 ne invadeze lumea, iar noi nici m\u0103car s\u0103 nu \u015ftim"},"content":{"rendered":"
\"\"<\/a>
Imagine:<\/strong> generata de Microsoft Designer<\/strong><\/figcaption><\/figure>\n

Cartea „Flatland: A Romance of Many Dimensions”<\/strong><\/em> (1884) de Edwin A. Abbott, exploreaz\u0103 conceptul de dimensiuni fizice prin personaje care \u00eent\u00e2lnesc fiin\u021be de dimensiuni superioare. Protagonistul, „A. Square”<\/em>, tr\u0103ie\u0219te \u00eentr-o lume bidimensional\u0103 numit\u0103 Flatland.<\/em> C\u00e2nd „Sfera”<\/em> tridimensional\u0103 \u00eel viziteaz\u0103, Square<\/em> \u00ee\u0219i d\u0103 seama c\u0103 exist\u0103 o lume \u00eentreag\u0103 pe care nu \u0219i-ar fi putut-o imagina niciodat\u0103. \u00cen cele din urm\u0103, interac\u021biunile lui cu Sfera<\/em> \u00eei deschid mintea c\u0103tre posibilitatea unor dimensiuni \u0219i mai mari.<\/p>\n

\u00cenc\u0103 popular\u0103 dup\u0103 140 de ani, cartea prezint\u0103 fascina\u021bia umanit\u0103\u021bii pentru dimensiunile superioare, precum \u0219i lupta noastr\u0103 de a \u00een\u021belege conceptul de Univers \u00een care ar putea exista fiin\u021be de dimensiuni superioare, precum extratere\u0219trii. \u00cen acest moment, extratere\u0219trii care locuiesc \u00een orice dimensiune sunt pur ipotetici, cu at\u00e2t mai pu\u021bin a patra dimensiune. Dar asta nu \u00eenseamn\u0103 c\u0103 nu ar putea exista creaturi \u00een dimensiunea a patra, care interac\u021bioneaz\u0103 cu spa\u021biul nostru tridimensional.<\/p>\n

Dimensiunile superioare sunt necesare pentru existen\u0163a Universului<\/strong><\/em><\/p>\n

Dimensiunile mai mari sunt o caracteristic\u0103 necesar\u0103 \u00een matematic\u0103 ca singura modalitate de a \u00een\u021belege anumite concepte. De exemplu, teoria corzilor – p\u00e2n\u0103 acum, cea mai bun\u0103 explica\u021bie a noastr\u0103 pentru modul \u00een care se comport\u0103 cele mai mici particule din Univers – necesit\u0103 existen\u021ba unor dimensiuni fizice mai \u00eenalte. \u00cen caz contrar, comportamentul corzilor vibrante – despre care teoreticienii cred c\u0103 formeaz\u0103 toate particulele – nu poate func\u021biona. Fizicienii de ast\u0103zi accept\u0103 posibilitatea teoretic\u0103 c\u0103 Universul nostru are p\u00e2n\u0103 la 11 dimensiuni.<\/p>\n

De-a lungul anilor, experimentele \u0219i modelarea matematic\u0103 au oferit o oarecare idee despre caracteristicile dimensiunii a patra. De exemplu, experimentele efectuate \u00een 2018 au ar\u0103tat dovezi ale existen\u021bei dimensiunii a patra, ca urmare a comportamentului electronilor. \u00cen primul r\u00e2nd, electronii s-au deplasat \u00eentr-o direc\u021bie printr-un material conductiv electric. C\u00e2nd cercet\u0103torii au pus un c\u00e2mp magnetic perpendicular pe material, acesta a for\u021bat electronii s\u0103 se devieze fie spre st\u00e2nga, fie spre dreapta. Electronii au fost bloca\u021bi \u00een esen\u021b\u0103 \u00een dimensiunea a doua. Fizicienii implica\u021bi \u00een experiment au extrapolat c\u0103 un efect comparabil ar avea loc \u00een cea de-a patra dimensiune \u0219i c\u0103 vom vedea efectele sale \u00een cea de-a treia dimensiune (\u00een care noi tr\u0103im). Cu alte cuvinte, putem vedea dovezi ale celei de-a patra dimensiuni \u00een dimensiunea noastr\u0103.<\/p>\n

Ca fiin\u021be tridimensionale, proiect\u0103m o umbr\u0103 bidimensional\u0103. Acela\u0219i principiu ar putea fi valabil \u0219i pentru fiin\u021bele cu patru dimensiuni care ar putea l\u0103sa urme ale lor \u00een lumea noastr\u0103. Pentru a \u00een\u021belege cum, s\u0103 \u00eencepem cu conceptul de baz\u0103 despre modul \u00een care diferitele dimensiuni rela\u021bioneaz\u0103 \u00eentre ele.<\/p>\n

Cum arat\u0103 dimensiunile 1, 2 \u015fi 3?<\/em><\/strong><\/p>\n

Ca locuitori ai unei lumi tridimensionale, percepem cu u\u0219urin\u021b\u0103 trei dimensiuni: \u00een\u0103l\u021bimea (sau lungimea), l\u0103\u021bimea \u0219i ad\u00e2ncimea. Putem c\u0103l\u0103tori \u00een sus \u0219i \u00een jos, la st\u00e2nga \u0219i la dreapta \u0219i \u00eenainte \u0219i \u00eenapoi. \u0218i cunoa\u0219tem dimensiunile inferioare. Dimensiunea zero este un punct, care nu are \u00een\u0103l\u021bime, l\u0103\u021bime sau ad\u00e2ncime. Prima dimensiune se ramific\u0103, devenind o linie, cu numai lungime. Nimic nu ar exista dincolo de aceast\u0103 linie pentru o creatur\u0103 unidimensional\u0103. Formele bidimensionale, precum personajele din Flatland,<\/em> sunt ceea ce putem desena pe h\u00e2rtie, cum ar fi p\u0103tratele \u0219i cercurile. Au at\u00e2t l\u0103\u021bime, c\u00e2t \u0219i lungime \u0219i pot c\u0103l\u0103tori \u0219i \u00een aceste direc\u021bii. Cu toate acestea, o creatur\u0103 bidimensional\u0103 nu ar putea sc\u0103pa de bucata de h\u00e2rtie pe care tr\u0103ie\u0219te, pentru c\u0103 pur \u0219i simplu nu poate percepe altceva dec\u00e2t dou\u0103 dimensiuni. Odat\u0103 cu ad\u0103ugarea unei a treia dimensiuni, apare o realitate mult mai bogat\u0103, deoarece acum forma poate c\u0103l\u0103tori \u00een sus \u0219i \u00een jos, s\u0103rind imediat de pe h\u00e2rtie. Aceasta este forma Universului pe care o cunoa\u0219tem \u0219i o lu\u0103m de bun\u0103.<\/p>\n

Teseractul – hipercubul dimensiunii a patra<\/strong><\/em><\/p>\n

Acum vine partea dificil\u0103. Pentru a p\u0103\u0219i \u00een dimensiuni mai mari, practic faci un unghi drept fa\u021b\u0103 de forma anterioar\u0103: mai \u00eent\u00e2i face\u0163i un p\u0103trat al liniei pentru a doua dimensiune \u0219i apoi linia face cubul pentru a ajunge la a treia dimensiune. Pentru a trece la a patra dimensiune, trebuie s\u0103 face\u021bi acela\u0219i lucru – face\u021bi un unghi drept fa\u021b\u0103 de cub, extinz\u00e2ndu-l \u00eentr-un „hipercub”<\/strong> sau „teseract”<\/strong>. Patru linii se conecteaz\u0103 la fiecare punct \u0219i fiecare suprafa\u021b\u0103 este un cub. Uneori, fizicienii descriu a patra dimensiune ca pe un spa\u021biu perpendicular pe un cub. Aceast\u0103 descriere, de\u0219i este precis\u0103 din punct de vedere geometric, nu este de mare ajutor: niciun creier conectat pentru o lume 3D nu poate \u00een\u021belege cum arat\u0103 de fapt un teseract<\/strong> sau alt obiect de dimensiune superioar\u0103. Deci, teoretic, nu am fi capabili s\u0103 percepem o fiin\u021b\u0103 cu patru dimensiuni cu sim\u021burile noastre – dec\u00e2t dac\u0103 ele ar accesa \u00eentr-un fel fizic realitatea noastr\u0103 tridimensional\u0103.<\/p>\n

\"\"<\/a>
Imagine:<\/strong> wikipedia.org<\/strong><\/a> (Commons Creative – free)<\/figcaption><\/figure>\n

Extratere\u015ftrii din dimensiunea a patra<\/em><\/strong><\/p>\n

Cum am vedea extratere\u0219trii din dimensiuni superioare dac\u0103 ar intra \u00een lumea noastr\u0103 tridimensional\u0103? De exemplu, o minge din dimensiunea 4 s-ar face din ce \u00een ce mai mare, pe m\u0103sur\u0103 ce mingea se mi\u0219c\u0103 prin lumea noastr\u0103. Dar, dac\u0103 ea iese din planul nostru de existen\u021b\u0103, se mic\u0219oreaz\u0103 din nou, apoi dispare. Pe de alt\u0103 parte, o fiin\u021b\u0103 4D ar putea s\u0103 vad\u0103 mingea \u0219i s\u0103 \u0219tie exact unde se afl\u0103, dar nu \u015fi noi. \u00cen acela\u0219i mod, un extraterestru din a patra dimensiune poate trece \u00een mare parte nedetectat prin Universul nostru tridimensional. Doar o parte din el l-am observa, ap\u0103r\u00e2nd de nic\u0103ieri. Dar nu am fi niciodat\u0103 capabili s\u0103 \u00eel vedem \u00eentreg, pentru c\u0103 nu putem vedea a patra dimensiune cu sim\u021burile noastre. \u00cen cele din urm\u0103, el ar disp\u0103rea \u00een „nimic”.<\/p>\n

Pentru noi, asta \u00eenseamn\u0103 c\u0103 extratere\u0219trii ar putea fi mai mari dec\u00e2t par, pentru c\u0103 am vedea doar o felie tridimensional\u0103 din ei la un moment dat. Acest lucru este exemplificat \u00een jocurile video Miegakure<\/strong> \u0219i 4D Miner<\/strong>, unde pute\u021bi experimenta o lume cu patru dimensiuni prin percep\u021biile noastre tridimensionale inteligibile. Deci, obiectele precum copacii \u0219i dealurile apar \u0219i dispar, deoarece percep\u021bia noastr\u0103 asupra lor se schimb\u0103 pe m\u0103sur\u0103 ce ne deplas\u0103m prin spa\u021biul tridimensional.<\/p>\n

Odat\u0103 ce atingem dimensiuni mai \u00eenalte, devine \u0219i mai dificil s\u0103 ne imagin\u0103m cum ar fi fiin\u021bele care tr\u0103iesc acolo \u0219i cum ar interac\u021biona ele cu vie\u021bile noastre tridimensionale. Deci, ce ar face un extraterestru cu patru dimensiuni din noi dac\u0103 ar vizita realitatea noastr\u0103 tridimensional\u0103? Teoria sugereaz\u0103 c\u0103 ar putea s\u0103 vad\u0103 \u00een interiorul nostru.<\/p>\n

Poate c\u0103 \u00een timp ce ei ne studiaz\u0103, noi nu avem nicio idee despre ce fac ei. Pe baza a ceea ce \u0219tim despre dimensiunile fizice, poate fi greu s\u0103 detect\u0103m o nav\u0103 spa\u021bial\u0103 extraterestr\u0103 care iese \u00een spa\u021biul nostru 3D…<\/p>\n","protected":false},"excerpt":{"rendered":"

Cartea „Flatland: A Romance of Many Dimensions” (1884) de Edwin A. Abbott, exploreaz\u0103 conceptul de dimensiuni fizice prin personaje care \u00eent\u00e2lnesc fiin\u021be de dimensiuni superioare. Protagonistul, „A. Square”, tr\u0103ie\u0219te \u00eentr-o lume bidimensional\u0103 numit\u0103 Flatland. C\u00e2nd „Sfera” tridimensional\u0103 \u00eel viziteaz\u0103, Square … <\/p>\n

Cititi mai multe<\/a><\/p>\n","protected":false},"author":1,"featured_media":92704,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[106],"tags":[658,19169,4546,1662,1103,230,4545,4527,19171,347,51,9786,19170,6219,4547,2613,1722,2705,1324,6790,2501,9803,5359,18177,4255,1087],"class_list":["post-92702","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-stiinta","tag-3d","tag-4d","tag-a-patra-dimensiune","tag-camp-magnetic","tag-carte","tag-creier","tag-cub","tag-dimensiune","tag-edwin-abbott","tag-electroni","tag-extraterestri","tag-fizicieni","tag-flatland","tag-hartie","tag-hipercub","tag-joc-video","tag-matematica","tag-minge","tag-nava-spatiala","tag-particule","tag-spatiu","tag-stiinta","tag-teoria-corzilor","tag-teseract","tag-umbra","tag-univers","resize-featured-image"],"yoast_head":"\nExtratere\u015ftrii din dimensiunea a patra ar putea s\u0103 ne invadeze lumea, iar noi nici m\u0103car s\u0103 nu \u015ftim - Secretele lui Lovendal<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.lovendal.ro\/wp52\/extraterestrii-din-dimensiunea-a-patra-ar-putea-sa-ne-invadeze-lumea-iar-noi-nici-macar-sa-nu-stim\/\" \/>\n<meta property=\"og:locale\" content=\"ro_RO\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Extratere\u015ftrii din dimensiunea a patra ar putea s\u0103 ne invadeze lumea, iar noi nici m\u0103car s\u0103 nu \u015ftim\" \/>\n<meta property=\"og:description\" content=\"Cartea „Flatland: A Romance of Many Dimensions” (1884) de Edwin A. 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