All About Radio Waves: A Kid's Guide to Invisible Signals (Knowledge Books For Kids, #39) (eBook, ePUB)
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Have you ever wondered how music travels through the air or how astronauts talk to Earth from space? This book takes kids on a fun journey into the world of radio wavesthe invisible signals that connect our world. Learn about their history, science, and everyday uses in gadgets, phones, and even space travel. Packed with simple explanations and exciting facts, it makes science easy, magical, and fun to explore!
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