来自MSN1 个月
10 Inventions by African American Innovators—Including Some You Use Every Day Without Knowing
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Business Insider7 年
African-American inventors who improved the world
Dean are just a few notable African-American inventors. We live in a world with blood banks, automated elevators, caller ID, and color computer monitors because of their work. Follow BI Video ...
来自MSN5 个月
Celebrating African inventors solving African problems
“Automatic lift doors, laser surgery, the first 3D inner ear transplant, CCTV for the home – these are just some of the inventions ... Google black inventors, past African American inventors ...