00:00Granville Woods was an American inventor. Woods received a patent for his invention of the
00:04Synchronous Multiplex Railway Telegraph in 1887, which allowed train stations and moving trains
00:10to communicate through the development of a magnetic field around a coiled wire beneath
00:14the train in order to establish communication. Hello everybody, don't forget to subscribe and
00:20smash that notification bell. Remember, a black man Granville Woods created the invention for
00:25the Synchronous Multiplex Railway Telegraph and more. Let's celebrate Black History Month
00:30together because we must learn.
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