QRIS, a mobile payment transaction system standardized by Bank Indonesia, has become the subject of extensive public discourse on Twitter.Employing VADER for sentiment analysis and LDA for topic modeling, this study aims to capture 7-Keto the nuanced perspectives of the Indonesian public toward QRIS.Our methodology includes real human validation fo
Access to energy is among the key pillars to socioeconomic and improved life style.The East African Community (EAC) countries, also members of sub-Saharan Africa, are among countries with enough energy resources but still struggling with low electricity access, and the lower proportion of citizens with electricity access challenges such as expensiv
We report the femtosecond (fs) laser fabrication of biomimetic omnidirectional iridescent metallic surfaces exhibiting efficient diffraction for practically any angle of light incidence.Such diffractive behavior is realized by means of multi-directional low-spatial-frequency, laser-induced periodic surface structures (LSFL) formed upon exploiting t