Rapidly evolving are perhaps the two most apt words to describe cell phone technology. This tool didn't exist until the 1970s, and since then, it has transformed the entire concept of communication.
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"How the Telephone Talks" is an early silent educational film that explains the workings of the telephone using both live-action and animated sequences. Produced by Bray Studios in the early 20th ...
Rebecca Torchia is a web editor for EdTech: Focus on K–12. Previously, she has produced podcasts and written for several publications in Maryland, Washington, D.C., and her hometown of Pittsburgh.
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