A.G. Bell – Speech Riding on Light

A.G. Bell  – An Analog Man Inventing Speech Riding on Light: Part 2 Christopher Schweitzer, Ph.D.   In Part I of “Light ‘em up Mr. Bell: Li-Fi,” Alexander Graham Bell proposed speech riding on light as a means of communication. It was also wireless telecommunication, and in the 19th century! Bell believed his light-operated method…

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