Electronic Communications

One of the great changes to our world over the past 100 years has been the invention of electronic communications. It all started with the_________.

Around 40 years after the telegraph, Alexander Graham Bell received the patent for the ______________. 

The telegraph was invented by _________in 1836.

Now instead of just beeps of sound, a person's _______could be transmitted over long distances of electric wires. 

As the amount of information has grown, more and more data needs to be transmitted over long distances.  One of the ways to send data faster is with ____

Fiber optics are long skinny tubes (like wires) made of _____.

Fiber optics transmit

_____is a way of sending sounds or other information through the air. 

An Italian scientist named _____got much of the credit for developing the radio. 

Radio was a major source of home entertainment until the mid-1950s. Then television became more popular.