As a publicity stunt, the express train called the Transcontinental Express arrived in San Francisco, California, via the first transcontinental railroad on 4 June 1876, only 83 hours and 39 minutes after having left New York City. The feat was reported widely in U.S. newspapers. We celebrate this feat of engineering with an AI…
In 1876, Alexander Graham Bell was the first to be granted a United States patent for a device that produced clearly intelligible replication of the human voice at a second device. This instrument was further developed by many others, and became rapidly indispensable in business, government, and in households. The essential elements of a…