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In the past, people sent letters or
telegrams to communicate with other towns. To write a letter, people used a pen and
paper; then, they put the letter in an envelope, and dropped it at the post office.
Telegrams were messages transmitted through an electric device with the morse code. -
Alexander Graham Bell was a scientist from Scotland. In 1876,
he accomplished the first telephone call. It wasn’t a long-distance call.
He called a friend in the next room, but that telephone call changed
the history of communication. -
The first international phone call
from New York to London was in 1926. -
Dr. Martin Cooper was an inventor from the USA. He was the
father of the mobile phone. The mobile phone was 25 centimeters
long and it weighted more than one kilo. People talked for 30
minutes and then the battery died. -
In the 90s, the IBM company invented the first touchscreen phone.
People talked on the phone, sent emails and messages. It had
Basic apps like a calendar and calculator, and its name is IBM Simon personal communicator. -
Now, mobile phones are smaller. They also have more functions.
You can send text messages, listen to music, play computer games
and take photos. You can surf on the net.