{"id":29807,"date":"2019-10-31T21:32:08","date_gmt":"2019-10-31T18:32:08","guid":{"rendered":"https:\/\/prohoster.info\/blog\/peremeshheniya-skvoz-prostranstvo-i-vremya\/"},"modified":"2019-10-31T21:32:08","modified_gmt":"2019-10-31T18:32:08","slug":"peremeshheniya-skvoz-prostranstvo-i-vremya","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/peremeshheniya-skvoz-prostranstvo-i-vremya","title":{"rendered":"Deplas\u0103ri prin spa\u021biu \u0219i timp","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Oamenii sunt \u00eentotdeauna motiva\u021bi de dorin\u021ba de a explora necunoscutul, av\u00e2nd chiar un neurotransmit\u0103tor special \u2013 dopamina, care ac\u021bioneaz\u0103 ca un stimulent chimic pentru ob\u021binerea informa\u021biei. Creierul are nevoie de un flux constant de date noi \u0219i, chiar dac\u0103 aceste date nu sunt esen\u021biale pentru supravie\u021buire, mecanismul exist\u0103 \u0219i este p\u0103cat s\u0103 nu-l folosim. <\/p>\n

\u00cen articolul de mai jos, a\u0219 dori s\u0103 rezum modul \u0219tiin\u021bifico-fantastic de a c\u0103l\u0103tori c\u0103tre stele \u0219i galaxii \u00eendep\u0103rtate, disponibile \u00een prezent \u00een cadrul teoriilor \u0219i ipotezelor \u0219tiin\u021bifice. <\/p>\n

\"Deplas\u0103ri
\n<\/a><\/noindex><\/p>\n

\u00cen fa\u021ba cosmosului, majoritatea activit\u0103\u021bilor umane par nesemnificative, chiar triviale. Carl Sagan, 1980.<\/p><\/blockquote>\n

Fiecare om a ridicat cel pu\u021bin o dat\u0103 privirea spre cer \u00eentr-o sear\u0103 cald\u0103 de var\u0103 \u0219i a observat stelele. Ad\u00e2ncimea cosmosului atrage \u0219i inspir\u0103 venerare, pe unii pentru o scurt\u0103 perioad\u0103, iar pe al\u021bii pentru \u00eentreaga via\u021b\u0103.<\/p>\n

Ce este acolo? Exist\u0103 via\u021b\u0103? \u0218i ce minuni pot exist\u0103 pe aceste lumi f\u0103r\u0103 num\u0103r?
\n<\/h4>\n

\nDesigur, singura modalitate de a ajunge acolo \u0219i a afla este s\u0103 ne deplas\u0103m prin spa\u021biu-timp c\u0103tre aceste stele, planete, nebuloase \u0219i chiar \u2013 GALAXII.<\/p>\n

Dar, din p\u0103cate, timpul nu este favorabil. Singurul loc pe care tehnologiile noastre de deplasare l-au atins este pu\u021bin dincolo de grani\u021bele sistemului solar, datorit\u0103 sondele automate ale proiectului \u201eVoyager\u201d, dintre care Voyager-1<\/a><\/noindex> a fost lansat \u00een 1977!<\/p>\n

\"Deplas\u0103ri
\n
\nDar pentru a vorbi serios despre alte lumi, avem nevoie de o vitez\u0103 de cel pu\u021bin egal\u0103 cu cea a luminii, iar \u00een ideal, de o vitez\u0103 superluminic\u0103.<\/p>\n

Ce ne opre\u0219te?<\/p>\n

Aici totul este simplu \u2013 sunt doar legile fizicii, \u0219i anume cele fundamentale.<\/b><\/p>\n

Legea cauzalit\u0103\u021bii<\/h3>\n

\nEsenta este c\u0103 efectul nu poate precede cauza. Nimeni nu a observat vreodat\u0103 ca, de exemplu, \u00eent\u00e2i o ra\u021b\u0103 s\u0103 cad\u0103 moart\u0103 iar apoi v\u00e2n\u0103torul s\u0103 trag\u0103. La viteze ce dep\u0103\u0219esc C, totu\u0219i, ordinea evenimentelor devine invers\u0103, banda timpului se deruleaz\u0103 \u00eenapoi. Acest lucru poate fi demonstrat cu u\u0219urin\u021b\u0103 prin urm\u0103toarea ra\u021bionare simpl\u0103.<\/p>\n

S\u0103 presupunem c\u0103 ne afl\u0103m pe o nav\u0103 spa\u021bial\u0103 care se mi\u0219c\u0103 mai repede dec\u00e2t lumina. Atunci, am ajunge treptat din urm\u0103 lumina emis\u0103 de o surs\u0103 \u00een momente tot mai anterioare \u00een timp. Mai \u00eent\u00e2i, am ajunge din urm\u0103 fotonii emisi, s\u0103 zicem, ieri, apoi \u2013 cei emisi alalt\u0103ieri, apoi \u2013 cu o s\u0103pt\u0103m\u00e2n\u0103, o lun\u0103, un an \u00een urm\u0103 \u0219i a\u0219a mai departe. Dac\u0103 sursa de lumin\u0103 ar fi o oglind\u0103 care reflect\u0103 via\u021ba, atunci mai \u00eent\u00e2i am vedea evenimentele de ieri, apoi cele de alalt\u0103ieri \u0219i a\u0219a mai departe. Am putea vedea, de exemplu, un b\u0103tr\u00e2n care se transform\u0103 treptat \u00eentr-un om de v\u00e2rst\u0103 mijlocie, apoi \u00eentr-un t\u00e2n\u0103r, \u00eentr-un adolescent, \u00eentr-un copil... Adic\u0103 timpul ar merge \u00eenapoi, ne-am mi\u0219ca din prezent \u00een trecut. Cauzele \u0219i efectele ar schimba locurile.<\/i><\/p>\n

Limit\u0103rile b\u0103tr\u00e2nului Albert<\/h3>\n

\n(Teoria special\u0103 a relativit\u0103\u021bii)<\/a><\/noindex><\/p>\n

Pe l\u00e2ng\u0103 problema cauzalit\u0103\u021bii, natura a impus condi\u021bii \u0219i mai stricte: o mi\u0219care nu doar cu o vitez\u0103 superioar\u0103 luminii este inexistent\u0103, ci \u0219i cu o vitez\u0103 egal\u0103 cu cea a luminii \u2013 se poate doar aproxima<\/b>. Din teoria relativit\u0103\u021bii rezult\u0103 c\u0103 la cre\u0219terea vitezei<\/b> mi\u0219c\u0103rii au loc trei circumstan\u021be: cre\u0219te masa<\/b> obiectului \u00een mi\u0219care, dimensiunea sa se mic\u0219oreaz\u0103 \u00een direc\u021bia mi\u0219c\u0103rii \u0219i timpul se \u00eencetine\u0219te<\/b> pe acest obiect (din punctul de vedere al unui observator extern \u00absta\u021bionar\u00bb). La viteze obi\u0219nuite, aceste schimb\u0103ri sunt neglijabile, dar pe m\u0103sur\u0103 ce ne apropiem de viteza luminii devin tot mai semnificative, iar \u00een limita \u2013 la viteza egal\u0103 cu C \u2013 masa devine infinit de mare<\/b>, obiectul \u00ee\u0219i pierde complet dimensiunea \u00een direc\u021bia mi\u0219c\u0103rii \u0219i timp<\/b> timpul se opre\u0219te<\/b>. Prin urmare, niciun corp material nu poate atinge viteza luminii. O astfel de vitez\u0103 o are doar lumina \u00eens\u0103\u0219i! (\u0218i, de asemenea, particula \u201etotp\u0103trunz\u0103toare\u201d \u2013 neutrino, care, la fel ca fotonul, nu poate c\u0103l\u0103tori cu o vitez\u0103 mai mic\u0103 dec\u00e2t C.<\/p>\n

\u00cen general, pe l\u00e2ng\u0103 cele descrise mai sus, exist\u0103 multe probleme, de exemplu, la viteza aproape de lumina, \u00een cazul coliziunii unui obiect cu masa de 1 kg cu un granule de nisip, se elibereaz\u0103 o cantitate de energie care permite transformarea a 10.000 de tone de o\u021bel \u00een vapori \u00een 1 secund\u0103. Dac\u0103 compar\u0103m acest lucru cu masa real\u0103 a unei nave stelare, puterea exploziei va fi egal\u0103 sau mai mare dec\u00e2t puterea proceselor nucleare care au loc pe Soare.<\/i><\/p>\n

Dar un om inteligent nu va merge pe munte, ci va ocoli muntele, deoarece legile exist\u0103 tocmai pentru a fi \u00eenc\u0103lcate\u2026 glumesc, nu ve\u021bi putea \u00eenc\u0103lca legile, dar \u0219tiin\u021ba fic\u021bional\u0103 (\u0219i cea aproape \u0219tiin\u021bific\u0103) ne ofer\u0103 modalit\u0103\u021bi de transport care ne permit s\u0103 ocolim principiile STC.<\/p>\n

\"Deplas\u0103ri
\n<\/p>\n

Modalit\u0103\u021bi de deplasare superluminic\u0103 \u00een spa\u021biu-timp<\/h3>\n

<\/p>\n

Podurile Einstein-Rosen<\/h4>\n

\nPodurile Einstein-Rosen<\/a><\/noindex>, cunoscute \u0219i sub numele de g\u0103uri de vierme, sunt, poate, cele mai cunoscute metode de c\u0103l\u0103torie interstelar\u0103 \u2014 \u0219i, cel mai probabil, chiar exist\u0103. Teoria relativit\u0103\u021bii generale a lui Albert Einstein a prezis existen\u021ba g\u0103urilor de vierme, de\u0219i nu s-au reu\u0219it s\u0103 fie descoperite p\u00e2n\u0103 acum.<\/p>\n

Vorbind pe \u00een\u021belesul tuturor, un pod Einstein-Rosen este un tunel \u00een spa\u021biu, creat prin deformarea spa\u021biu-timpului. Obiecte masive, cum ar fi stelele sau g\u0103urile negre, curbeaz\u0103 timpul \u0219i spa\u021biul, precum o minge de bowling curbeaz\u0103 un trambulin. Un obiect suficient de masiv poate \u00eendoi at\u00e2t de mult spa\u021biu-timpul \u00eenc\u00e2t s\u0103 creeze o leg\u0103tur\u0103 \u00eentre dou\u0103 puncte, suficient de \u00eendep\u0103rtate \u00een condi\u021bii normale.<\/p>\n

Imagina\u021bi-v\u0103 o foaie de h\u00e2rtie \u0219i dou\u0103 puncte pe ea. Trebuie s\u0103 ajunge\u021bi dintr-un punct \u00een altul \u0219i, dac\u0103 v\u0103 mi\u0219ca\u021bi strict pe suprafa\u021ba h\u00e2rtiilor, acea \u201ec\u0103l\u0103torie\u201d va dura un timp. Cu toate acestea, dac\u0103 \u00eendoi\u021bi foaia astfel \u00eenc\u00e2t punctele s\u0103 se suprapun\u0103 \u0219i o str\u0103punge\u021bi \u00een acel loc cu un creion, folosind creionul ca tunel (sau pod), vom reduce semnificativ distan\u021ba dintre puncte.<\/p>\n

\"Deplas\u0103ri
\n
\nIntrarea \u00eentr-o gaur\u0103 de vierme a fost adesea imaginat\u0103 ca o intrare \u00eentr-un tunel, ceea ce are sens av\u00e2nd \u00een vedere numele. Dar aceasta este o concep\u021bie gre\u0219it\u0103. \u00cen filmul \u201eInterstellar\u201d, acest moment este prezentat corect \u2014 din perspectiva unui observator \u00een spa\u021biul tridimensional, o gaur\u0103 de vierme ar trebui s\u0103 arate ca o sfer\u0103.<\/p>\n

G\u0103urile de vierme sunt o metod\u0103 tentant\u0103 de a realiza deplas\u0103ri interstelare, deoarece nu necesit\u0103 s\u0103 dep\u0103\u0219i\u021bi viteza luminii. Fizica ne spune c\u0103 nimic nu poate c\u0103l\u0103tori mai repede dec\u00e2t viteza luminii. Dar cu ajutorul g\u0103urilor de vierme, putem traversa distan\u021be interstelare uria\u0219e f\u0103r\u0103 a \u00eenc\u0103lca aceast\u0103 lege.<\/p>\n

\"Deplas\u0103ri
\n<\/p>\n

Motorul warp<\/h3>\n

\nWarp, tehnologia FTL, care \u00een prezent are \u0219anse reale<\/a><\/noindex> a fi materializat\u0103. Warp poate fi cu siguran\u021b\u0103 numit cea mai realist\u0103 metod\u0103 de deplasare peste viteza luminii dintre toate cele cunoscute. De\u0219i momentan r\u0103m\u00e2ne doar sub form\u0103 de formule pe h\u00e2rtie. Este vorba despre motorul Alcubierre<\/a><\/noindex>.<\/p>\n

\"Deplas\u0103ri
\n
\nPrincipiul de func\u021bionare deriv\u0103 din modul de a ocoli Teoria Special\u0103 a Relativit\u0103\u021bii, care postulaz\u0103 c\u0103 nimic \u00een spa\u021biu nu poate c\u0103l\u0103tori mai repede dec\u00e2t viteza luminii. \u00abCalea\u00bb const\u0103 \u00een faptul c\u0103 aceast\u0103 postulat nu se aplic\u0103 spa\u021biului \u00eensu\u0219i, care poate fi comprimat \u0219i extins de diferite influen\u021be, cum ar fi c\u00e2mpul gravita\u021bional. Motorul Warp comprim\u0103 spa\u021biul din fa\u021ba navei \u0219i \u00eel extinde \u00een spatele acesteia, \u00eemping\u00e2nd bula de spa\u021biu obi\u0219nuit \u00eenainte \u00eempreun\u0103 cu nava.<\/p>\n

\u00cen universul Star Trek, astfel de motoare dezvolt\u0103 viteze destul de modeste conform standardelor \u0219tiin\u021bifico-fantastice \u2014 c\u0103l\u0103toriile navelor Enterprise au fost limitate la un singur sector al galaxiei \u00een apropierea Sistemului Solar (~1500 de ani-lumin\u0103), dur\u00e2nd ani de zile \u0219i l\u0103s\u00e2nd o mul\u021bime de zone neexplorate \u0219i goluri \u00een harta spa\u021bial\u0103.<\/p>\n

\"Deplas\u0103ri
\n<\/p>\n

hiperspa\u021biul<\/h2>\n

\nRecent au ap\u0103rut detalii experimentale date<\/a><\/noindex> de la sonda spa\u021bial\u0103 WMAP despre inhomogenit\u0103\u021bile temperaturii radia\u021biei cosmice de fond, care este unul dintre principalele obiecte de observa\u021bie \u00een studiul universului nostru. Analiz\u00e2nd aceste date, a fost descoperit\u0103 o mare anomalie a distribu\u021biei unghiulare a fluctua\u021biilor radia\u021biei cosmice de fond la armonici joase. Una dintre explica\u021biile acestui fenomen a fost teoria conform c\u0103reia topologia universului nostru difer\u0103 de un plan tridimensional sau de o sfer\u0103. Consider\u00e2nd topologia universului nostru sub forma unui dodecaedru, calculele teoretice se potrivesc str\u00e2ns cu datele experimentale.<\/p>\n

\u201eO univers tridimensional\u0103 complex\u0103, topologic plat\u0103, poate fi construit\u0103 doar pe baza cuburilor, paralelipipedelor \u0219i prismelor hexagonale. \u00cen cazul unui spa\u021biu curbat, un astfel de set de propriet\u0103\u021bi este de\u021binut de o clas\u0103 mai larg\u0103 de figuri. Totu\u0219i, spectrele unghiulare ob\u021binute \u00een experimentul WMAP sunt cele mai bine corelate cu modelul universului, care are forma unui dodecaedru.\u201d Mihail Prohorov, doctor \u00een \u0219tiin\u021be fizico-matematice, cercet\u0103tor principal \u00een cadrul Departamentului de Astrofizic\u0103 Relativist\u0103 al Institutului Astronomic de Stat Sternberg.<\/p><\/blockquote>\n

Astfel, posibilitatea existen\u021bei unui hiperspa\u021biu al universului, \u00een care se afl\u0103 universul nostru limitat, este indicat\u0103 de teorii bazate pe date practice despre radia\u021bia relicvar\u0103. Cu toate acestea, chiar dac\u0103 hiperspa\u021biul exist\u0103, pentru a te deplasa \u00een acest spa\u021biu este nevoie de un motor special.<\/p>\n

Imagineaz\u0103-\u021bi c\u0103 te afli \u00een fa\u021ba unei v\u0103i \u0219i trebuie s\u0103 ajungi \u00eentr-un punct dincolo de vale. Deoarece po\u021bi s\u0103 te deplasezi doar pe o suprafa\u021b\u0103 plan\u0103 (\u00eentr-un spa\u021biu bidimensional), va trebui s\u0103 ocole\u0219ti obstacolul sau s\u0103 cobori \u00een vale, s\u0103 traversezi \u0219i apoi s\u0103 urci. Dar dac\u0103 ai la dispozi\u021bie un avion care poate zbura \u00een spa\u021biul tridimensional, vei ajunge direct la destina\u021bia dorit\u0103.<\/i><\/p>\n

Practically, hiperspa\u021biul are o metric\u0103 diferit\u0103 fa\u021b\u0103 de spa\u021biul tridimensional obi\u0219nuit, iar mi\u0219carea \u00een acesta seam\u0103n\u0103 cu mi\u0219carea printr-o vierme de g\u0103uri, dar tunelurile pot conecta nu un singur punct, ci imediat mai multe puncte, ie\u0219ind \u00een spa\u021biul tridimensional obi\u0219nuit. Mai mult, mi\u0219carea \u00een hiperspa\u021biu va fi vizual diferit\u0103 de cea dintr-o vierme de guri (contrar ilustra\u021biilor comune), deoarece structura tridimensional\u0103 a universului va \u201e\u00eenf\u0103\u0219ura\u201d c\u0103l\u0103torul \u00een interiorul c\u0103ii hiperspa\u021biale. Cred c\u0103, dac\u0103 este posibil, spectacolul este cu adev\u0103rat fascinant \u2014 stelele vizibile, nebuloasele sau \u00eentregi clustere galactice \u2014 se desf\u0103\u0219oar\u0103 lent \u0219i se \u00eentind, schimb\u00e2nd paleta de culori pe parcursul deplas\u0103rii \u00een zona ro\u0219ie cosmologic\u0103 (?)<\/p>\n

Ideea teleport\u0103rii hiperportante a fost, \u00een opinia mea, reu\u0219it ecranizat\u0103 \u00een filmul \u201eContact\u201d din 1997 (dup\u0103 romanul lui Carl Sagan, filmul fiind recompensat cu premiul Hugo. Locul 2 \u00een lista celor mai credibile filme \u0219tiin\u021bifico-fantastice conform NASA). Acesta prezenta o instala\u021bie, al c\u0103rei desen a fost primit printr-un semnal de la o civiliza\u021bie extraterestr\u0103, receptat de eroina filmului, care crea manipul\u0103ri ale energiei exotice \u0219i, \u00een rezultat, \u201epermeabiliza\u201d o cabin\u0103 cu o persoan\u0103 prin spa\u021biul interior al unei sfere. Judec\u00e2nd dup\u0103 cum stau lucrurile, cabina era absorbit\u0103 \u00een hiperespatiu, \u00eentr-un \u201etunel\u201d deja creat. Se pare c\u0103 aceste tuneluri sunt extrem de numeroase \u00een \u00eentreaga galaxie \u0219i toate au fost create de o civiliza\u021bie mult mai veche. Asta este ceea ce a spus un reprezentant al rasei ale c\u0103rei semnale le-a captat eroina filmului. A\u0219a stau lucrurile, oameni buni. Personal, consider c\u0103 acest film este un favorit. Dar, dup\u0103 cum arat\u0103 practica \u2014 nu tuturor le place.<\/i><\/p>\n

\"Deplas\u0103ri
\n<\/p>\n

Teleportare etereal\u0103<\/h3>\n

\n\u0218tim c\u0103 cea mai frecvent\u0103 explica\u021bie a teleport\u0103rii este transferul instantaneu al unui obiect material \u00een spa\u021biu pe o distan\u021b\u0103 arbitrar\u0103.
\n\u00cen acest context putem folosi \u0219i un g\u0103uri de vierme, dar despre aceasta am mai vorbit, a\u0219a c\u0103 vom discuta despre o cale fundamental diferit\u0103.<\/p>\n

Ceea ce ne intereseaz\u0103 este teleportarea informa\u021biei despre substan\u021b\u0103, p\u00e2n\u0103 la o fotografie cuantic\u0103 a st\u0103rii acesteia.<\/p>\n

Procesul este, \u00een linii mari, urm\u0103torul: Corpul dvs. este plasat \u00eentr-o instala\u021bie la punctul A, care v\u0103 scaneaz\u0103 p\u00e2n\u0103 la particulele subatomice \u0219i starea lor cuantic\u0103, \u0219i apoi v\u0103 digitalizeaz\u0103 copia. Dup\u0103 aceea, starea cuantic\u0103 este transmis\u0103 ca un flux unic prin canalele standard de comunica\u021bie. Dar aici apare o problem\u0103 \u2013 exist\u0103 o interdic\u021bie asupra transferului de date mai rapid dec\u00e2t viteza lumin\u0103, conform SRT; pe de alt\u0103 parte, dac\u0103 \u0219tiin\u021ba va dovedi existen\u021ba particulelor ipotetice ce au mas\u0103 resting\u0103 negativ\u0103 sau imaginar\u0103, cum ar fi tachionii, informa\u021bia despre obiect ar putea fi transmis\u0103 cu o vitez\u0103 superluminic\u0103. Poate chiar \u0219i cu ajutorul undelor gravita\u021bionale (?). Dup\u0103 aceea, la punctul B, persoana este recreat\u0103 la nivel cuantic \u0219i, voila, el este deja la destina\u021bie. Discu\u021biile despre \u201esuflet\u201d care ar fi fost distrus \u00een instala\u021bia A le ocolesc, deoarece sunt ateu \u0219i nu iau \u00een considerare acest aspect (\u00eemi pare r\u0103u).<\/p>\n

Aceast\u0103 metod\u0103 este bun\u0103 deoarece pentru teleporta\u021bia cuantic\u0103 a unui obiect material nu este nevoie s\u0103 se foloseasc\u0103 deformarea spa\u021biu-timp \u0219i s\u0103 se cheltuie o cantitate uria\u0219\u0103 de energie. Problema, desigur, const\u0103 \u00een livrarea ini\u021bial\u0103 a instala\u021biei care va reproduce obiectul \u00een punctul B. Dar acesta poate fi livrat prin metode mai lungi, care nu se limiteaz\u0103 la una sau mai multe vie\u021bi omene\u0219ti.<\/p>\n

\"Deplas\u0103ri
\n<\/p>\n

Resetarea masei<\/h2>\n

\nToate navele spa\u021biale din universul Mass Effect folosesc, \u00eentr-un fel sau altul, Elementul Zero, care genereaz\u0103 Efectul Masei specificat, fie sc\u0103z\u00e2nd masa obiectelor din jur, fie cresc\u00e2nd-o. \u00cen acest fel, se reu\u0219e\u0219te manipularea Teoriei Relativit\u0103\u021bii \u0219i dep\u0103\u0219irea vitezei luminii.<\/p>\n

C\u0103l\u0103toriile obi\u0219nuite \u00eentre planete \u0219i stele aflate aproape produse cu ajutorul motoarelor FTL, care sunt capabile doar s\u0103 reduc\u0103 masa navei. Pentru zborurile interstelare pe distan\u021be mari se folosesc R\u0103le de Mas\u0103 \u2014 sta\u021bii uria\u0219e construite \u00een jurul nucleelor dense formate din Elementul Zero. R\u0103le sunt de obicei legate de una sau mai multe alte r\u0103le \u0219i sunt capabile s\u0103 creeze un coridor \u00een care masa dispare efectiv, transport\u00e2nd nava instantaneu pe mii de ani-lumin\u0103.<\/p>\n

\"Deplas\u0103ri
\n<\/p>\n

Curbele temporale \u00eenchise<\/h3>\n

\nUltima form\u0103 de deplasare superluminic\u0103 pe care o vom examina pare, la prima vedere, s\u0103 fie cea mai pu\u021bin \u0219tiin\u021bific\u0103. <\/p>\n

De-a lungul a 55 de ani, serialul \u201eDoctor Who\u201d a povestit despre aventurile \u00een timp \u0219i spa\u021biu ale Doctorului \u0219i ale \u00eenso\u021bitorilor s\u0103i uhuman. Cu ce mijloace de transport se foloseau? O mare cabin\u0103 albastr\u0103, cunoscut\u0103 sub numele de TARDIS (eng. TARDIS \u2014 Time and Relative Dimension in Space), care \u00eei poate duce \u00een orice loc \u0219i \u00een orice timp doresc.<\/p>\n

Construite (sau, mai degrab\u0103, crescute) de o ras\u0103 antic\u0103 numit\u0103 \u201eSt\u0103p\u00e2nii Timpului\u201d, TARDIS-urile sunt mai magice dec\u00e2t tehnologia \u201eMass Effect\u201d. A\u0219a cum explic\u0103 Doctorul \u00eensu\u0219i, vehiculul s\u0103u de transport este o \u201echestie temporal\u0103 zavistic\u0103\u201d. Se pare c\u0103 la deplasarea \u00een TARDIS exist\u0103 o oarecare \u00eent\u00e2rziere \u2014 adic\u0103 este mai aproape de un motor hiper dec\u00e2t de un teleporter. Dar, \u00een esen\u021b\u0103, TARDIS-ul dispare de aici, trece printr-un \u201evortex temporal\u201d \u0219i apare acolo. Aceasta este tot ce trebuie s\u0103 \u0219ti\u021bi cu adev\u0103rat.<\/p>\n

\"Deplas\u0103ri
\n
\nSau nu? Se pare c\u0103 TARDIS are chiar mai multe baze teoretice dec\u00e2t hiper-spa\u021biul.<\/p>\n

\u00cen 2013, fizicienii Benjamin K. Tippett \u0219i David Tsang au publicat un document care propune baze teoretice pentru crearea unei ma\u0219ini a timpului reale, adic\u0103 a unei metode de a c\u0103l\u0103tori \u00een propriul t\u0103u trecut. Articolul se numea \u00abDomenii Retrograde Achronale Traversabile \u00cen Spa\u021biu-Timp\u00bb<\/i> (verifica\u021bi acronimul).<\/p>\n

Tippett \u0219i Tsang descriu un c\u0103l\u0103tor \u00een timp, aflat \u00eentr-o buc\u0103t\u0103rie spa\u021biu-timp, care intr\u0103 \u00eentr-o curb\u0103 temporal\u0103 \u00eenchis\u0103<\/a><\/noindex> (practic, similar\u0103 cu podul Einstein-Rosen). \u00cen interiorul acestei curbe, c\u0103l\u0103torul poate merge oriunde pe propria scal\u0103 temporal\u0103, \u00een timp ce \u00een interiorul bulei timpul pare s\u0103 curg\u0103 normal.<\/p>\n

Cei doi fizicieni au sugerat chiar c\u0103 curbele temporale pot fi separate \u0219i conectate, deschiz\u00e2nd posibilitatea de a c\u0103l\u0103tori nu doar pe propria scal\u0103 temporal\u0103, ci \u0219i \u00een orice moment din timp \u0219i spa\u021biu.<\/p>\n

Cam at\u00e2t am putut s\u0103 v\u0103 ofer.<\/p>\n

Sunt sigur c\u0103 am omis ceva sau chiar am exagerat \u00een zona fanteziei. A\u0219a c\u0103 a\u0219tept comentariile voastre.<\/p>\n

Sursa: habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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