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 ...
The word “lit” has officially invaded America’s lexicon. It’s ubiquitous: on the tongues of hip Gen Zers, millennials trying to pass as youthful and facetious boomers alike. If you live under a rock ...