Indlela yokuziphatha yekati inika umdla kwaye ngamanye amaxesha iyamangalisa. Kukho amaxesha apho ezi kati zincinane zibonakala ziqwalasela okanye zisabela kwizinto abanini bazo abangaziboniyo. Lo ibingumcimbi woqikelelo ixesha elide, kodwa ngoku a kufunda epapashwe leli phephancwadi Iinkqubo zeRoyal Society B iye yacebisa ukuba iikati, kwanezinye izilwanyana ezanyisayo ezinjengezinja okanye iihedgehogs, ziyakwazi ukubona kwi<em>ultraviolet (UV), uhlobo lokukhanya olungenakubonwa ngabantu.
Oku kufunyenweyo kumangalisa kunokuchaza isizathu sokuba ngamanye amaxesha iikati ziziphathe ngendlela engaqhelekanga, zidlala okanye zileqa izinto ezibonakala zingekho kuthi.
Yintoni ukukhanya kwe-ultraviolet?
Abantu banokubona kuphela into engaphakathi ngaphakathi ukukhanya okubonakalayo, ukusuka kubomvu ukuya kwi-violet. Ngaphandle kolu luhlu, kwi-electromagnetic spectrum, kukho ukukhanya kwe-ultraviolet, okunobude obufutshane kunokukhanya okubonakalayo kwaye kukhanya. ayibonakali ebantwini. Nangona kunjalo, iikati kunye nezinye izilwanyana, ezinjengezinja, ii-ferrets kunye neempuku, ziye zavela ngendlela yokuba amehlo azo avumele oku kukhanya kwe-UV ukuba kufikelele kwi-retina yabo.
Inkqubo inomdla: amehlo akho ahlengahlengiswa ngendlela evumela ukuba imitha ye-UV ingene, evelisa ukukhanya. amandla ombane oluhamba lusiya ebuchotsheni kwaye lucutshungulwe njengenxalenye yombono wakho. Oku kuthetha ukuba banokubona iinkcukacha ezikhethekileyo kwizinto, iipateni zokukhanya ezingabonakaliyo kuthi, okanye neendlela zomchamo ezibengezela phantsi kokukhanya kwe-ultraviolet.
Uncedo lombono we-UV kwiikati
Kwixhoba lendalo elifana nekati, ukukwazi ukubona kwi-ultraviolet kuye iingenelo ezicacileyo. Iikati zinokulandela iindlela zomchamo ezivela kwezinye izilwanyana okanye ezinye iikati ukufumana okanye ukumakisha indawo. Ukongezelela, babekwazi ukubona iinkcukacha kwindawo abahlala kuyo ezingaphawulwanga ngabantu, njengeepateni ezifunxa ukukhanya kwizinto ezithile, amagqabi, kwanezilwanyana ezigqunyiweyo.
Kungenxa yesi sizathu ukuba iikati mhlawumbi ziziphatha ngokumangalisayo xa zijongene nezinto eziqhelekileyo kuthi, njengephepha lephepha okanye i-textiles, ezinokusebenzisana nokukhanya kwe-UV ngeendlela ezimangalisayo kubo.
Ukuziphatha okungaqhelekanga: Zibona ntoni iikati?
Ukuba ukhe wayibona ikati yakho ijonge esithubeni, ishukumisa amanqina ayo ngokungathi izingela into ethile, okanye ileqa “akukho nto,” mhlawumbi ibona into ongayiboniyo. Oku kuziphatha kunokuchazwa ngokubulela kubuchule bayo bokubona imitha ye-UV. Abaphandi abanjengoRonald Douglas noGlen Jeffrey babonisa ukuba into kuthi into elula engaphiliyo, njengesiqwenga sempahla okanye udonga, kubo isenokuba kukukhupha iipateni zokukhanya okanye amandla abonwa kuphela phantsi kokukhanya kwe<em>ultraviolet.
Ukongeza kwimizila yomchamo okanye iindawo zokumakishwa, iikati zinokubona izinambuzane ezincinci okanye amasuntswana axhonyiweyo angabonakali emehlweni abantu. Le ndlela yokuziphatha ekuqaleni ibonakala ingenantsingiselo, kodwa ngokwazi ukuba ezi kati ziphucule umbono, sinokuliqonda ngcono ihlabathi elibonakalayo elimangalisayo.
Ukuthelekisa nombono womntu
Iikati zinemibono eyahlukileyo kakhulu kunabantu. Ngoxa abantu benjenjalo ezintathu iintlobo zeeseli cone Uxanduva lokubona umbala (obomvu, oluhlaza kunye noluhlaza okwesibhakabhaka), iikati azinayo enye yezi cones, oku kuthetha ukuba banombono olinganiselweyo xa kuziwa kwimibala. Nangona kunjalo, lo mda upheliswe kukwazi kwawo ukubona ebumnyameni kwaye, njengoko sele sitshilo, ukukwazi kwayo ukubona ukukhanya kwe-ultraviolet.
Ukongeza, i icandelo lombono yeekati inkulu kunabantu, ifikelela kuma-200 degrees xa kuthelekiswa ne-180 ebantwini. Oku kubavumela ukuba babe nolwazi ngakumbi ngeendawo ezibangqongileyo, nto leyo ebalulekileyo kubuchule babo bokuzingela.
Kubalulekile ukuqaphela ukuba, nangona abantu benesisombululo esingcono sokubonwa ngexesha lasemini, iikati zinenani elikhulu leeseli kwi-retina yazo ebizwa ngokuba yi-retina. Iinqanawa, ebavumela ukuba babone kwiimeko eziphantsi zokukhanya. Ukudibanisa le nyaniso kunye nombono wabo we-ultraviolet, kunokuthiwa iikati zibona kwi-spectrum eyahlukileyo ngokupheleleyo kuneyethu.
Ngaphandle kwamathandabuzo, ukufunda ngombono wekati kunye nokukwazi kwabo ukubona into engabonakaliyo kuthi kusenza ukuba siphinde sicinge ukuba iikati zethu zinokujamelana nazo kubomi babo bemihla ngemihla, sandise ukuqonda kwethu ihlabathi elibangqongileyo.
Kuyanika umdla ukucinga ukuba ezi zilwanyana zincinci ziyakwazi ukufikelela kwihlabathi elibonakalayo elahluke ngokupheleleyo kwelethu. Mhlawumbi kwixesha elizayo xa ubona ikati yakho ijonge emajukujukwini, ayizukuba nanto njengoko ibonakala.