Invented by the Bell Labs in 1954
This page is the CodyCross answer for the clue below from Inventions, Group 51, Puzzle 3.
Question is: Invented by the Bell Labs in 1954
and the answer is: SOLARCELL
Word Meaning:
SOLAR CELL — A semiconductor device that converts the radiant energy of sunlight into electrical energy.
Definitions from Wiktionary.