Caller ID/Call Waiting
Dr. Shirley Jackson conducted breakthrough basic scientific research that enabled others to invent the portable fax, touch tone telephone, solar cells, fiber optic cables, and the technology behind caller ID and call waiting.
SEE ALSO
BHM: Did You Know These Beloved Gadgets Were Invented By Black People? was originally published on globalgrind.com
« Previous page 1 2 3 4 5 6 7 8 Next page »