Telephones and Cellphones

Telephones and Cellphones book cover — Technology Timelines Technology Timelines Technology Timelines

Telephones and Cellphones — page 1 — Introduction At the touch of a button we can use a modern telephone to talk to another person just about anywhere on Earth We could also use it to send pictures and written messages and even see the face of the person we are talking to All this technology which can ﬁ t into one pocket-sized gadget did not exist 150 years ago Back then communication was a great deal slower A DIFFERENT VIEW MARATHON Today marathons are long-distance running races but the first one was run to send a message In 490 B C the Greeks won a battle at a town called Marathon Pheidippides a messenger ran 26 miles and 385 yards 42,195 m all the way to Athens with the news This has been the distance of every marathon ever since 4 Sealed Letters Until the 1800s most communication was by letter To ensure a letter was not read until it arrived at its destination the sender sealed it with wax He or she pressed down the soft wax with a ring or other personal object to show who it was from

Telephones and Cellphones

Telephones and Cellphones

The progression of communication technology from yesterday's telegraph and Morse Code to today's state-of-the-art smartphones.

About This Book

By: Tom Jackson

Illustrated by:

Published by: Brown Bear Books by Black Rabbit Books

9-12Age Range

6.4AR

30Pages

ScienceSubject

IG1020LLexile

15-30 minsReading Time

YGuided Reading

YFountas & Pinnell

70DRA

0

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