#BlackHistoryMonth: Did You Know These Beloved Things Were Invented By Black People?
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Pacemaker
Otis Boykin, who ironically died of heart failure, invented a control unit for the artificial cardiac pacemaker.
https://twitter.com/leademerging/status/964680617333051392
#BlackHistoryMonth: Did You Know These Beloved Things Were Invented By Black People? was originally published on globalgrind.com
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