10 Questions
;
;
;
(lm/W)
;
LED
;
0,1 lm/W
;
20
LED ;
LED;
LED;
LED;
2014
Explore the innovative use of LED lamps and simple solar cells to improve the quality of life for over 1.5 billion people without access to electricity grids. Learn about Isamu Akasaki, a Japanese citizen born in 1929, who made significant contributions to LED technology.
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