Leave a comment

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.

 

Black Excellence: 8 Things You Probably Didn’t Know Were Invented By Black People was originally published on globalgrind.com

« Previous page 1 2 3 4 5 6 7 8 Next page »

Also On Praise 104.1:
[Photos] Intimate Fan Moments At Spirit Of Praise 2016
Praise Moments At Spirit Of Praise
42 photos
comments – add yours
×