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With colorful illustrations and engaging text, Phones Keep Us Connected is a fascinating look into the science, technology, and history of how phones work!
Before telephones were invented, there was no way for you to sing "Happy Birthday" to your friend if she wasn’t in the room with you. Now you can call anyone, anywhere in the world! How was the phone invented? How has it changed? Read and find out how a telephone can carry your voice across oceans, and how phones have changed the world.