Indlela ezibona ngayo
ushaka ibona kanjani umhlaba?
Ayiboni umbala, umzingeli othanda umehluko wombala
Naphezu kwesabiso sabo, oshaka abaningi abafundiwe babonakala beyizimpumputhe zombala ngokuphelele, befunda ulwandle ngokukhanya nokungqubuzana kuphela. Uhlobo olulodwa lwekhoni olulungiselelwe okuluhlaza okwesibhakabhaka-luhlaza — umbala ohamba kakhulu emanzini olwandle — lwenza umsebenzi wasemini, lusekelwa isibuko esikhulisa ukukhanya sokujula. Kushaka, umuntu obhukudayo uyisithunzi esinyakazayo kunombala.
Bona ngamehlo azo
Umuntu ≈ 60 cpd (20/10)
Ukubona kuka-ushaka kucace kangakanani?
Amehlo ayo ahlukanisa cishe ama-cycles angu-4 ngedigri (20/150), kanti umuntu ufinyelela cishe ku-60 cpd (20/10). Ibanga layo lokubona lisabalala cishe ngo-340°.
ushaka ubona kanjani umuntu?
Amehlo ayo ahlukanisa cishe imijikelezo engu-4 ngedigri, kanti awakho angu-60, ngakho ubuso kumele busondele cishe izikhathi ezingu-15 ukuze ibone imininingwane oyibonayo. Isimo sakho nokunyakaza kwakho kufika kucacile; ukubukeka kobuso bakho akufiki.
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.
Yimiphi imibala ushaka engayibona?
Ukubona umbala okuncane noma okungekho; iqondiswa ukukhanya, ukuqhathanisa nokunyakaza. Oluhlaza sasibhakabhaka-luhlaza yilapho ulwandle ludlulisa khona ukukhanya kangcono.
Ama-photoreceptor
I-Monochromat yamaseli e-cone (uhlobo olulodwa lweseli e-cone) + amaseli e-rod
Iziqongo zokuzwela kwama-cone
- I-cone eyodwa532 nm
ushaka ibona kanjani ebumnyameni?
I-tapetum lucidum enamandla yamanzi ajulile nokukhanya okuncane.
Ukubona kuka-ushaka kuqhathaniswa kanjani nokomuntu?
Imininingwane kashaka ecishe ibe ngu-20/150 ihamba emuva kwe-20/20 yakho, futhi lapho wena ubona izigidi zemibala yena akaboni namunye. Ungqimba oluqinile olubuyisa ukukhanya ngemuva kwe-retina yakhe lumvumela ukuthi azingele emanzini aluvivi, ajulile lapho wena ubungaba yimpumputhe khona.
Yini eyisipesheli ngokubona kuka-ushaka?
- Cishe ayiboni umbala
- Ukubona okuhle kakhulu ukuqhathanisa nokunyakaza
- I-electroreception ne-mechanoreception zihlanganisa ukubona
Imithombo yesayensi
- Hart, Theiss, Harahush & Collin (2011)
- Gruber & Cohen (1985)
Landa i-Animal Vision
Khomba ikhamera yakho kunoma yini bese ubuka umhlaba uguquka ube ukubona kwalesi silwane ngesikhathi sangempela.
