Isikhokelo seMveliso
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Kutheni le nto idinga iilensi eziqhubayo?
Ingasebenziyo yombono omnye: Xa abantu abangaphezulu kweminyaka engama-40, isibini esinye samaglasi enye yombono sinokungakwazi ukufikelela kwiimfuno zabo. Banokubona umgama kodwa bangavali, okanye babone kufutshane kodwa hayi umgama. Ngeli xesha, kufuneka banxibe izibini ezibini zeeglasi, ...Funda ngokugqithisileyo -
Nguwuphi umahluko phakathi kombono ongatshatanga, i-biifocal kunye nenkqubela phambili?
1, Umbono ongatshatanga: Umbono omnye ubandakanya umgama, ukufunda kunye ne-PLAS. Iiglasi zokufunda zinokusetyenziselwa ukubukela ifowuni yesandla, ikhompyuter, ukubhala njalo njalo. Ezi glasi zihlala zibona izinto ezisondeleyo, ezinokwenza indawo yokuhlala ye-R ...Funda ngokugqithisileyo -
Abantu baziva njani na?
Eyona nto ibalulekileyo kukungaqondakali, kodwa izinto ezininzi zinegalelo kule mpazamo imveliso, ebonakaliswa ngamehlo acacileyo okanye umbono omnandi. Abaphandi abafundayo ukuba basondele kakhuluFunda ngokugqithisileyo -
Yintoni ukukhanya eluhlaza okwesibhakabhaka kwaye kutheni kufuneka uthenge iilebhu ze-blocker eluhlaza?
Isibane esiluhlaza sisikhanyiso esibonakalayo esibonakalayo esinamaza amafutshane kunye namandla aphezulu, kwaye afana ne-ultraviolet rays, ukukhanya oluhlaza okwesibhakabhaka kuneezibonelelo zombini kunye neengozi. Ngokubanzi, izazinzulu zithi i-spectrum ebonakalayo iquka imitha ye-elektromagnetic ene-waveleths ...Funda ngokugqithisileyo