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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The First Wearable Digital Hearing Aid – History, Part 2

Design Considerations Involved in Going From Analog to Digital Technology     Last week’s post provided background on how the first wearable digital hearing aid was developed.  This post will continue this historical highlight leading to one of the most disruptive developments related to hearing aid technology – the digital hearing aid.  Specifically, this post…

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