Indatshana enesihloko esithi "The Snowflake"
Iqhwa leqhwa liyigugu lemvelo lokho kuyasithakazelisa futhi kusilethela injabulo ebusika. Lawa makristalu amancane eqhwa, anomumo namaphethini ayingqayizivele, asikhumbuza ubuhle nokuhlukahluka kwemvelo. Kulesi sihloko, sizohlola umsuka nezici zamakhekheba eqhwa nomthelela wawo emhlabeni wethu.
Amakhekheba eqhwa akheka emafwini futhi adalwa ukugodola komhwamuko otholakala emkhathini. Ngokuvamile, lo mhwamuko ushintsha ube amakristalu eqhwa ngesimo senaliti noma ama-slabs, kodwa uma izimo zilungile, lawa makristalu angakheka abe amakhekheba eqhwa. Ikhekheba leqhwa ngalinye lihlukile, linomumo oyingqayizivele namaphethini ancike ezintweni ezifana nezinga lokushisa nomswakama emafini.
Phakathi naso sonke isikhathi, amakhekheba eqhwa aye athakazelisa abantu futhi adlala indima ebalulekile esikweni elidumile. Ezindabeni eziningi, amakhekheba eqhwa abhekwa njengezibonakaliso zezwe elinomlingo nelingaqondakali, kanti kwamanye amasiko ayizimpawu zokuhlanzeka nokuphelela. Ama-snowflakes nawo abhekwa njengophawu lwenkathi yasebusika futhi ngokuvamile ahlotshaniswa namaholide asebusika.
Ngaphezu kobuhle bawo bobuhle, amakhekheba eqhwa adlala indima ebalulekile emvelweni womhlaba. Zingabaluleka kwezolimo ngoba zineqhaza enanini lamanzi nezakhamzimba ezidingekayo ukuze kutshalwe izitshalo. Ngaphezu kwalokho, amakhekheba eqhwa anesandla ekulinganiseni kwemvelo ngokubonisa imisebe yelanga, esiza ekwehliseni ukufudumala kwembulunga yonke.
Amakhekheba eqhwa ngokuvamile abhekwa njengophawu lokuhamba kwesikhathi noshintsho. Ebusika, lapho amakhekheba eqhwa ewa njalo, kubonakala sengathi isikhathi sihamba kancane futhi umhlaba uyama. Kodwa ngesikhathi esifanayo, iqhwa ngalinye leqhwa lihlukile futhi lihlukile, ngaleyo ndlela limelela umqondo wokuthi umzuzu ngamunye ukhethekile futhi lolo shintsho lungaba luhle futhi luzuzise.
Amakhekheba eqhwa nawo anohlangothi olusebenzayo ekuphileni kwethu kwansuku zonke. Zingaba yingozi emigwaqweni eneqhwa kanye nemigwaqo egandayiwe, kodwa futhi zibalulekile embonini yezemidlalo yasebusika. Abagibeli beqhwa nabahamba eqhweni bafuna izindawo ezineqhwa elisha, futhi amakhekheba eqhwa awumthombo ongcono kakhulu weqhwa elisha kulaba basubathi.
Ekuphetheni, amakhekheba eqhwa ayisimangaliso semvelo lokho kuletha injabulo nogqozi kubantu ngokuhamba kwesikhathi. Lawa makristalu amancane eqhwa, anesimo esiyingqayizivele namaphethini, ayigugu lemvelo elisikhumbuza ubuhle nokuhlukahluka kwezwe esiphila kulo. Lawa makhekheba eqhwa aphinde abe nomthelela omkhulu emhlabeni wethu, abalulekile emvelweni woMhlaba futhi asiza ukukhombisa imisebe yelanga, ngaleyo ndlela asize ukugcina ibhalansi yemvelo.
Mayelana namakhekheba eqhwa
Ikhekheba leqhwa liyi-microscopic crystalline structure ehlanganisa amakristalu eqhwa akha emkhathini futhi awe eMhlabeni njengeqhwa. Ikhekheba leqhwa ngalinye lihlukile futhi lihlukile ngenxa yezimo zezulu nezinye izici ezinquma ukuma kwalo. Amakhekheba eqhwa acutshungulwe ososayensi amakhulu eminyaka ukuze baqonde izenzakalo zesimo sezulu kanye nokuthuthukisa amamodeli ezibalo zokubikezela isimo sezulu.
Inqubo yokwakheka kwamakhekheba eqhwa iqala ngokubonakala kwekristalu yeqhwa emafwini ezimweni ezibandayo kakhulu nezimanzi. Ikristalu yeqhwa ibe isiqala ukukhula, iheha amanye ama- molecule amanzi neqhwa emafwini. Lawa ma-molecule anamathela kuyikristalu yeqhwa futhi ayibangele ukuba ikhule futhi igatsha. Ukuma kokugcina kwekhekheba leqhwa kuncike ezingeni lokushisa kanye nomswakama womkhathi, kanye nezinye izici ezifana nomoya.
Amakhekheba eqhwa abaluleke kakhulu emvelweni nasezimpilweni zasemhlabeni. Amakhekheba eqhwa aletha amanzi enhlabathini futhi afaka isandla kumswakama womoya. Ziphinde zidlale indima ebalulekile ekushintsheni ukushisa phakathi kwenhlabathi nomkhathi. Ngaphezu kwalokho, amakhekheba eqhwa angumthombo obalulekile wamanzi ezilwane zasendle nasezitshalweni phakathi nobusika lapho eminye imithombo yamanzi ilinganiselwe.
Nakuba amakhekheba eqhwa abalulekile ekuphileni Emhlabeni, nawo ayisihloko esithakazelisayo kubaculi nabathwebuli bezithombe. Ubuhle nokuhlukahluka kwezinhlobo zazo kuye kwagqugquzela imisebenzi eminingi yobuciko kanye nezithombe ezihlaba umxhwele. Ngaphezu kwalokho, ama-snowflakes abe uphawu lwamaholide asebusika kanye nenkathi yasebusika ngokujwayelekile.
Kuwo wonke umlando, amakhekheba eqhwa aye adlala indima ebalulekile emasikweni nasemasikweni abantu ezindaweni ezibandayo zomhlaba. Emasikweni amaningi, amakhekheba eqhwa abhekwa njengezimpawu zokuhlanzeka, ithemba nokuvuselelwa. Amakhekheba eqhwa ayesetshenziswa nasemikhosini ehlukahlukene yenkolo.
Nokho, kusekuningi okungaziwa mayelana namakhekheba eqhwa kanye nenqubo yokwakheka kwawo. Abacwaningi bayaqhubeka nokutadisha amakhekheba eqhwa ngomzamo wokuqonda kangcono ukuthi akheka kanjani nokuthi axhumana kanjani nendawo yawo. Okutholakele kwabo kungaba nomthelela obalulekile emikhakheni efana ne-meteorology, ubunjiniyela kanye nobuchwepheshe.
Ekuphetheni, Amakhekheba eqhwa ayingxenye ebalulekile yomjikelezo we-hydrological kanye nemvelo. Lawa makristalu eqhwa amancane awawona nje amahle futhi ahlukile, abalulekile empilweni yasemhlabeni. Ucwaningo lwamakhekheba eqhwa lungasiza abantu baqonde isimo sezulu futhi bathuthukise amasu okuvikela nokulondoloza imithombo yemvelo.
Ukwakheka mayelana namakhekheba eqhwa
Kwakuwusuku olubandayo lwasebusika futhi amakhekheba eqhwa ayewa kancane njalo ivela ezulwini. Ngibheke efasiteleni lami, ngabona ukuthi la makristalu eqhwa amancane anamathela kanjani engilazini futhi akha amaphethini ayinkimbinkimbi namahle. Ngagqoka ngokushesha ngaphuma ngayodlala eqhweni. Ngabuka amakhekheba eqhwa, ngabona indlela ayephaphazela kamnandi ngayo emoyeni, futhi ngacabanga ngendlela emangalisayo le ndalo edalwe ngayo.
Ngaqala ukuzibuza ukuthi lawa makhekheba eqhwa ayingqayizivele akheka kanjani. Ngemva kokufunda izincwadi eziningana nokubuka amadokhumenti ngale ndaba, ngafunda ukuthi inqubo yokwakheka kwekhekheba leqhwa iyinkimbinkimbi kakhulu futhi iyahlukahluka ngezinga lokushisa, umswakama kanye nokucindezela komkhathi. Kodwa-ke, ngahlala nginentshisekelo yokuthi ikhekheba ngalinye leqhwa lihlukile futhi awekho amakhekheba eqhwa amabili afanayo.
Ngakho nganquma ukuzenzela okwami ukuhlola. Ngathatha izingcezu zamaphepha, ngabe sengiqala ukusika izimo ezihlukene ngizigoqe. Ngenza izimo zonxantathu, izikwele, imibuthano kanye nengxube yomumo, ngase ngifaka izingcezu zephepha efrijini. Ngemva kwamahora ambalwa, ngathatha izingcezu zamaphepha efrijini futhi ngawabuka ngokucophelela. Sabona indlela iqhwa elakheka ngayo nxazonke zomumo nokuthi zaba kanjani amakristalu eqhwa amancane, njengamakhekheba eqhwa. Kwakuyisenzakalo esithakazelisayo futhi kwanginika ukuqonda okungcono kwenqubo yokwakheka kwamakhekheba eqhwa.
Ekuphetheni, amakhekheba eqhwa ayisihloko esithakazelisayo nesingaqondakali ehlale idonsa ukunaka kososayensi, abaculi nezimfundamakhwela. Ikhekheba leqhwa ngalinye lihlukile futhi awekho amakhekheba eqhwa amabili afanayo, okuwenza akhetheke nakakhulu futhi abe yigugu. Uma ubheka amakhekheba eqhwa, ungabona ubuhle nobunkimbinkimbi bemvelo futhi uqonde ukuthi kungakanani ukuhlukahluka nokuvumelana okukhona emhlabeni wethu.
Ukubukwa Post: 206
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