Imagine a world where you had to write letters, mail them at the post office, and wait a week or two for a response. You might not realize that there was once a world without your favorite forms of instant communication. The way you keep in touch with the people around you is because of amazing inventions in communication throughout history! From braille to texting, this title explores the amazing inventors, scientists, and engineers who saw challenges in the way we communicate with each other, and overcame them! With a little inventive thinking, what might you create to help us connect freely with friends and family across boundaries?
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Hinweis: Dieser Artikel kann nur an eine deutsche Lieferadresse ausgeliefert werden.