On Feb. 3, 1965, members of the Sebewaing Woman’s Club met at the home of Mrs. John Konkle in that small Michigan town to hear about the life of William L. Potts, an influential inventor known as “Mr.

(WHTM) — We see traffic lights all the time. Sometimes we get green lights, and sometimes we hit all the red lights on our commute to work. But, while sitting at a red light, have you ever wondered ...

Semiconductor lighting technology is developing rapidly. While seeking high luminous efficiency, low cost, and superior reliability, researchers are increasingly focusing on the effects of LED ...