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jan 1, 1876 - Telephone

Description:

In 1876, Alexander Graham Bell patented the first practical telephone. This telephone worked by using a battery to provide a magnetic field that allowed reeds to vibrate. When they vibrated, it reproduced the sound that was put in, on the other end of the phone. This led to the invention of what is now called the cell phone, which is very useful for communicating.

Added to timeline:

16 Nov 2017
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Evolution of Communication with Computer Science
Different inventions throughout computer science history tha...

Date:

jan 1, 1876
Now
~ 148 years ago

Images:

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