Let there be light within the bowels of a combine. Blue LED light is a non-chemical weapon capable of stunting the growth of herbicide-resistant weed seeds, but what if LED technology could be ...
It’s hard to believe that the first blue LED didn’t arrive until 1993. They look simple, but looks are deceiving (Fig. 1). 1. Image showing a blue InGaN-based LED with gold wire contacts (0.4 × 0.4 mm ...
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