 Anyanwụ ike bụ radiant ìhè na okpomọkụ si Sun na-harnessed eji a nso nke mgbe-evolving teknụzụ dị ka anyanwụ kpo oku, photovoltaics, anyanwụ thermal ike, anyanwụ ije, wụrụ awụ nnu ike osisi na keakamere photosynthesis. 