Kungani ezinye izinja zibukela i-TV?

Iqiniso lokuthi ukunaka kwezilwane kukhangwa ubuchwepheshe sekuyisikhathi eside lingabamangalisi ososayensi. Njengabantu, izinja ziyakwazi ukuhlukanisa phakathi kwezithombe futhi ziqonde ngisho nalokho okuboniswa esikrinini esiphambi kwazo. Eminyakeni emibili edlule, ochwepheshe baseNyuvesi yaseCentral Lancashire bathola ukuthi izilwane ezifuywayo zithanda amavidiyo nezinye izinja: izihlobo ezikhalayo, ezikhonkothayo nezigqumayo zazithakaseleka kakhulu ezinjeni ezibambe iqhaza ocwaningweni. Ngaphezu kwalokho, amavidiyo anamathoyizi ama-squeaker nawo aheha ukunaka kwabo.

Kodwa akuyona yonke into elula kangaka. Unentshisekelo kuzinja ze-TV kungekudala. Futhi izilwane ezifuywayo zisabona okwenzeka esikrinini ngendlela ehlukile. Kanjani?

Umbono wenja nomuntu: umehluko omkhulu

Kuyaziwa ukuthi umbono wezinja wehluka ngezindlela eziningi kowabantu. Ikakhulukazi, izilwane zibona imibala embalwa: isibonelo, isilwane asihlukanisi phakathi kwe-yellow-green kanye ne-red-orange shades. Futhi, izinja azisiboni isithombe esicacile esikrinini, kuzo sifiphele kancane. Futhi basabela kakhulu ekunyakazeni, yingakho ngezinye izikhathi bephendulela amakhanda abo ngapha nangapha ngendlela ehlekisayo lapho bebuka, isibonelo, ibhola lethenisi esikrinini.

Nokho, indima ewujuqu lapho ubuka i-TV isadlalwa ijubane lokubona kwesithombe, ikhono lokubona ukuthi isithombe sishintsha ngokushesha kangakanani esikrinini. Futhi lapha umbono wezinja uhluke ngokuphawulekayo kowomuntu.

Ukuze umuntu abone ukulandelana kwezithombe njengesithombe esinyakazayo, imvamisa ye-50 hertz yanele, khona-ke akaqapheli ukuguqulwa kwezithombe. Enjeni, lesi sibalo siphakeme kakhulu futhi sicishe sibe ngama-hertz angama-70-80!

Kuma-TV amadala, iflicker frequency yayicishe ibe ngama-hertz angama-50. Futhi lokhu kwakwanele kubantu, okungeke kushiwo ngezinja. Yingakho ngaphambi kokuba i-TV yayingenasithakazelo nhlobo kubangane abanemilenze emine. Izilwane ezifuywayo zivele zikubone njengesethi yezithombe ezithatha indawo yazo, cishe njengamaslayidi ezethulo. Kodwa ubuchwepheshe besimanje bukwazi ukuletha imvamisa ye-100 hertz. Futhi enja, okuboniswa esikrinini kuba yividiyo yangempela. Cishe kuyafana njengoba sikubona.

Amafilimu nezimakethe zezinja

Namuhla, izinkampani eziningi zinesithakazelo ekuboniseni izinhlelo nezimakethe eziqondiswe ngqo izinja. Isibonelo, e-US kukhona kakade "isiteshi sezinja" esikhethekile, futhi ezinye izikhungo zokuthengisa zizama ukususa izikhangiso ezingaheha abangani abanemilenze emine.

Inkinga ukuthi izinja azichithi isikhathi esiningi zibukele umabonakude. Badinga kuphela ukubuka isithombe imizuzu embalwa, futhi isithakazelo sabo siyaphela. Ekugcineni, izilwane ezifuywayo ezihlakaniphile ziyaqonda ukuthi phambi kwazo akuyona into yangempela, kodwa into ebonakalayo.

I-TV njengendlela yokulwa nokwesaba

Kwesinye isikhathi i-TV isengasetshenziswa njengokuzijabulisa kwesilwane esifuywayo. Lokhu kuyiqiniso uma ufundisa umdlwane ukuthi uhlale yedwa ekhaya. Ukuze umntwana angaphuthelwa ukuba yedwa uma uya emsebenzini, ungashiya i-TV ivuliwe ekhaya. Umdlwane uzobona imisindo yangemuva. Yiqiniso, lokhu akuwaphikisi amathoyizi, okufanele futhi ashiyelwe isilwane.

Kodwa khumbula ukuthi i-TV nokunye ukuzijabulisa akusoze kwathatha indawo yesilwane sokuxhumana kwangempela nomnikazi. Inja iyisidalwa somphakathi esidinga ukunakwa, uthando nokunakekelwa komuntu.