One of the earliest known milestones in recorded history was nestled into an 18-inch doll. Inventor Thomas Edison embedded small phonographs inside the metal torsos of thousands of dolls that “talked” or played fragments of nursery rhymes, including “Twinkle, Twinkle,…
By Joshua Barajas
Digital Technology Helps Researchers Hear Earliest Recordings Better…
Guest essayist Julia Keller from the Chicago Tribune reflects on why Americans have so much trouble getting a good night's sleep.
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