Indlela ezibona ngayo
ingwane ibona kanjani umhlaba?
Ayiboni umbala, kodwa ibona ukukhanya oku-polarized
Nayi enye yamaqhinga amahle kunawo wonke e-biology: ingwane, ingcweti yokucasha ngokushintsha umbala, cishe ngokuqinisekile iyimpumputhe yombala. Ngohlobo olulodwa lwe-photoreceptor, kufanele ngokombono ibone umhlaba ngokumpunga, kodwa ihlanganisa ngokuphelele ekhorali enombala. Iqhinga layo ukufunda i-polarisation yokukhanya, ungqimba olufihliwe lomhlaba wokubona esingeke sifinyelele kulo.
Umuntu ≈ 60 cpd (20/20)
Ukuqhathanisa imibala
How each colour shifts when seen through this animal's eyes, using the same colour model as the app. Tones a screen can't emit (such as ultraviolet) are shown as an approximation.
Ukubona umbala
Ayiboni umbala ngendlela yakudala, kodwa izwela kakhulu kahle ukukhanya okusabalalisiwe (polarized) nokukhanya nokuqhathanisa. (Kunobufakazi bokuthi isebenzisa ukungacaci kombala ukuze ikhiphe umbala.)
Ama-photoreceptor
I-Monochromat (i-photoreceptor eyodwa) + ukuzwela ku-polarization
Iziqongo zokuzwela kwama-cone
- I-Rhodopsin475 nm
Ukubona ekukhanyeni okuncane
Ukubona okuhle kakhulu kokuqhathanisa ekukhanyeni okuncane.
Uma kuqhathaniswa nokubona komuntu
Ingwane ibona cishe ku-20/130 kune-20/20 yakho, futhi, ngomqondo ovamile, ayinambala nhlobo. Nokho, iyakuthola ukukhanya okuyi-polarised, isiteshi esiphelele solwazi amehlo akho awulahla nje.
Izici eziphawulekayo
- Ibona ukukhanya okusabalalisiwe (polarized)
- Isikhumba mhlawumbe siyakubona nokukhanya
- Isikhala esivundlile sigcina umkhathizwe ugxile
Imibuzo evame ukubuzwa
ingwane ibona kanjani umhlaba?
Nayi enye yamaqhinga amahle kunawo wonke e-biology: ingwane, ingcweti yokucasha ngokushintsha umbala, cishe ngokuqinisekile iyimpumputhe yombala. Ngohlobo olulodwa lwe-photoreceptor, kufanele ngokombono ibone umhlaba ngokumpunga, kodwa ihlanganisa ngokuphelele ekhorali enombala. Iqhinga layo ukufunda i-polarisation yokukhanya, ungqimba olufihliwe lomhlaba wokubona esingeke sifinyelele kulo. Ayiboni umbala ngendlela yakudala, kodwa izwela kakhulu kahle ukukhanya okusabalalisiwe (polarized) nokukhanya nokuqhathanisa. (Kunobufakazi bokuthi isebenzisa ukungacaci kombala ukuze ikhiphe umbala.)
Yimiphi imibala ingwane engayibona?
Ayiboni umbala ngendlela yakudala, kodwa izwela kakhulu kahle ukukhanya okusabalalisiwe (polarized) nokukhanya nokuqhathanisa. (Kunobufakazi bokuthi isebenzisa ukungacaci kombala ukuze ikhiphe umbala.) I-Monochromat (i-photoreceptor eyodwa) + ukuzwela ku-polarization
Ukubona kuka-ingwane kucace kangakanani?
Amehlo ayo ahlukanisa cishe ama-cycles angu-6 ngedigri (20/130), kanti umuntu ufinyelela cishe ku-60 cpd (20/20). Ibanga layo lokubona lisabalala cishe ngo-320°.
ingwane ubona kanjani umuntu?
Amehlo ayo ahlukanisa cishe imijikelezo engu-6 ngedigri, kanti awakho angu-60, ngakho ubuso kumele busondele cishe izikhathi ezingu-10 ukuze ibone imininingwane oyibonayo. Isimo sakho nokunyakaza kwakho kufika kucacile; ukubukeka kobuso bakho akufiki.
ingwane ibona kanjani ebumnyameni?
Ukubona okuhle kakhulu kokuqhathanisa ekukhanyeni okuncane.
Yini eyisipesheli ngokubona kuka-ingwane?
Ibona ukukhanya okusabalalisiwe (polarized). Isikhumba mhlawumbe siyakubona nokukhanya. Isikhala esivundlile sigcina umkhathizwe ugxile. Umqondo owodwa othakazelisayo uthi ingwane isebenzisa indlela inhlamvu yayo yeso emisebe okukhanya ngayo ibe yimibala eyingcezu, ifunda lolo luvivi ukuze ithole umbala ngaphandle kwamakhoni ombala aqotho. Kungaba yindlela enhle yokuxazulula ukuba nomamukeli owodwa kuphela.
Ukubona kuka-ingwane kuqhathaniswa kanjani nokomuntu?
Ingwane ibona cishe ku-20/130 kune-20/20 yakho, futhi, ngomqondo ovamile, ayinambala nhlobo. Nokho, iyakuthola ukukhanya okuyi-polarised, isiteshi esiphelele solwazi amehlo akho awulahla nje.
Imithombo yesayensi
- Marshall & Messenger (1996)
- Stubbs & Stubbs (2016)
Landa i-Animal Vision
Khomba ikhamera yakho kunoma yini bese ubuka umhlaba uguquka ube ukubona kwalesi silwane ngesikhathi sangempela.
