Kukura Kwenguva: Kuongorora Kuwirirana uye Kuchinjika Kwenguva
Pendauluan
Pfungwa yenguva inowanzoonekwa seyakakwana, ichifambira mberi nemwero mumwe chete kune vese. Zvisinei, maonero aya akachinja zvakanyanya apo Albert Einstein akagadzira dzidziso yake yehukama. Imwe yepfungwa dzinonakidza zvikuru mudzidziso iyi ndeyekuwedzera nguva, iyo inotsanangura kuti nguva inogona kufamba sei nemwero yakasiyana zvichienderana nekumhanya uye simba rinokwevera pasi. Chinyorwa chino chichaongorora pfungwa yekuwedzera nguva, ichitsanangura humbowo hwekuedza hwakaisimbisa, uye zvazvinoreva pakunzwisisa kwedu zvakasikwa.
Dzidziso yeKuwirirana uye Kuwedzerwa Kwenguva
Dzidziso yaEinstein yehukama, yakataurwa muna 1905, yakaunza musimboti wekuti mwero wenguva unogona kusiyana kune vanocherechedza vachifambirana. Zvichienderana nedzidziso iyi, kana chinhu chikaswedera pedyo nekumhanya kwechiedza, nguva yacho inononoka kupfuura nenguva yemucherechedzi asingamiri. Chiitiko ichi chinozivikanwa sekuwedzerwa kwenguva.
Tsananguro iyi yakapfava inogona kutsanangurwa nekuyedza kwakakurumbira mufizikisi yemazuva ano: "Kuedza Kwemapatya." Muchiitiko ichi, mapatya rimwe chete anoramba ari paNyika, nepo rimwe richifamba nekumhanya kwechiedza. Mufambi paanodzoka, achaona kuti mapatya ari paNyika akwegura zvakanyanya kupfuura zvavakamboita. Izvi zvinokonzerwa nekuwedzerwa kwenguva.
Masvomhu Ari Kuseri Kwechiitiko Chino
Kuwedzerwa kwenguva kunogona kuverengerwa uchishandisa equation inobva mudzidziso yakakosha ye relativity. Kana \(t_0 \) iri nguva inoyerwa pane inofamba system, uye \(t \) iri nguva inoyerwa nemucherechedzi asingamiri, equation ndeiyi:
\[ t = \frac{t_0}{\sqrt{1 – \frac{v^2}{c^2}}} \]
Pano:
– \( v \) ndiko kumhanya kwechinhu chiri kufamba,
– \( c \) ndiko kumhanya kwechiedza,
– \(t_0 \) inguva iri mufuremu inofamba (nguva 'yakatambanudzwa').
Iyi equation inoratidza kuti sezvo \( v \) inoswedera \( c \), \( t \) inova yakakura kupfuura \( t_0 \), zvichiratidza kuti nguva inopfuura zvishoma nezvishoma kune zvinhu zvinofamba nekukurumidza.
Humbowo Hwechokwadi
1. Zvidimbu zveMuon:
Chimwe chezviratidzo zvakasimba zvekuwedzera nguva chinobva pakucherechedza zvidimbu zvemuon mumhepo yepasi. MaMuon zvidimbu zvine hupenyu hupfupi zvikuru, zvichienderana nemasekondi mashoma. Zvinogadzirwa kana mwaranzi yemuchadenga ikabatana nemhepo yepamusoro. Kana nguva yazvo yaizoyerera nemwero wakafanana newayo murabhoritari, zvinofanira kuora zvisati zvasvika pamusoro peNyika, tichifunga nezvekumhanya kwadzo. Zvisinei, nekuti maMuon anofamba pedyo nekumhanya kwechiedza, nguva yawo inononoka (kuwedzera nguva), zvichiita kuti asvike pasi asati aora.
2. Maawa eAtomu paGPS Satellite:
Kushandiswa kwemasatellite eGPS kunodawo kugadziriswa kwerelativistic. Masatellite eGPS anotenderera Nyika nekumhanya kwakanyanya uye ari mumunda wegravitational usina simba kupfuura pamusoro pePasi. Mamiriro ese aya anoita kuti wachi dzeatomu dziri pamasatellite dzimhanye nekukurumidza kupfuura dziri paPasi. Nokudaro, sisitimu yeGPS inofanira kutsanangura mhedzisiro iyi yerelativistic kuti ipe nzvimbo dzakarurama.
Kuwirirana Kwakazara uye Simba Rekukwevera Zvinhu
Kuwedzerwa kwenguva hakungoitiki nekuda kwekumhanya kwakanyanya chete asiwo nekuda kweminda yakasimba yegiravhiti, sezvakatsanangurwa nedzidziso yaEinstein ye relativity. Sekureva kwedzidziso iyi, nguva inopfuura zvishoma nezvishoma pedyo nemazhinji makuru kupfuura muminda isina simba yegiravhiti. Chiitiko ichi chinozivikanwa se "kuwedzerwa kwenguva yegiravhiti."
Kuedza kwakakurumbira kuratidza izvi ndeyekuedza kweHafele-Keating. Muna 1971, Joseph Hafele naRichard Keating vakafamba-famba pasi rose nendege yakatakura wachi yeatomu. Wachi iyi payakaenzaniswa newachi yeatomu yakagadzika paNyika, mhedzisiro yacho yakaratidza musiyano wenguva unoenderana nekufanotaura kwehukama hwese: wachi yendege yakaratidza nguva inononoka kana tichienzanisa newachi paNyika.
Cosmology uye Maburi Matema
Basa rake harigumiri ipapo; kuwedzera kwenguva kune zvakunoreva zvinonakidza mu cosmology uye astrophysics.
1. Kutenderedza Buri Dema:
Munzvimbo ine gomba dema, simba regiravhiti rakasimba zvekuti nguva yemunhu anosvika panzvimbo iyi yaizononoka zvakanyanya kana tichienzanisa nemuoni ari kure negomba dema. Kana muoni ari kure akasvika zvishoma nezvishoma panzvimbo ine gomba, muoni ari kure aizoona kufamba kwavo kuchinonoka kusvika pakamira. Panguva iyi, kubva pakuona kwemuoni ari kunze, nguva muchadenga yaizokurumidza.
2. Kukura kweNyika:
Kuwedzerwa kwenguva kwakakoshawo pakukura kwepasi rose. Sekureva kwedzidziso yeBig Bang, pasi rose rakatanga kukura kubva pakupisa kwakanyanya uye kwakasimba. Kuwanda kwekukura kwepasi rose kunokanganisa mwero wenguva uye kunogona kuonekwa mukuora kwechiedza kubva kuzvinhu zviri kure uye zvinokurumidza. Chiedza kubva kuzvinhu zviri kure uye zvinhu zviri pedyo nekutanga kwepasi rose zvinosangana nekushanduka kwetsvuku, izvo zvinogonawo kubatanidzwa nekuwedzera kwenguva kwecosmological.
Migumisiro yeUzivi
Chokwadi chekuti nguva haisi chinhu chisingaperi asi chinoenderana nekumhanya uye simba rinokwevera zvinhu pasi chine zvazvinoreva zvakawanda. Chinopikisa pfungwa yevanhu yekuti 'ikozvino' uye 'chokwadi.' Sezvo nguva isingafambi zvakafanana kune wese munhu, pfungwa yekuti zvinhu zvinoitika panguva imwe chete inovawo nehukama.
Uyezve, kuwedzera kwenguva kunokanganisawo maonero edu nezvekufamba pakati penyeredzi uye magariro evanhu vanofamba muchadenga mune ramangwana. Kana tekinoroji ikabvumira vanhu kufamba nekumhanya kwechiedza, vanofamba muchadenga vanogona kudzoka kuPasi mushure merwendo rurefu vozowana kuti mazana emakore apfuura panyika yavo.
Penutup
Kuwedzerwa kwenguva ipfungwa yakadzama inowedzera kunzwisisa kwedu chimiro chemuchadenga. Ndiyo imwe yehumbowo hwakasimba hwehukama uye kuchinjika kwenguva, zvichiratidza kuti 'nguva' haisi chinhu chakasimba asi chinosiyana zvichienderana nekumhanya uye nzvimbo dzinokwevera zvinhu pasi. Humbowo hwemashiripiti hunobva mukucherechedza kwemuon, maGPS satellite, uye simba regiravhiti panguva zvinosimbisa chokwadi chedzidziso yaEinstein uye zvinovhura hwindo idzva rekuongorora muchadenga. Kuwedzerwa kwenguva hakusi kungoitika kwekunze chete asi ruzivo rwakakosha rwematekinoroji akasiyana-siyana aripo uye emangwana uye kutsvagurudza kwesainzi.
