Naked Physics: of the Telegraph, Telephone, and Radio
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：NT$ 376 元無庫存，下單後進貨(到貨天數約30-45天)
可得紅利積點：11 點
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商品簡介
How in the world can sounds be sent from here to there, even without a wire? Written by a physicist for his adult grandchildren, this little book explains the concepts, and it's too good not to share. Three early discoveries in electricity & magnetism led directly to the telegraph, telephone, and radio, respectively. Their mysteries are described here without math, and only the bare essentials are covered - the rest is just details. It will be eye-opening if your interests include technology's history, STEM education, amateur radio, or how things work in general. It may even be helpful to students who plow through complicated mathematics without a visceral feeling for these concepts and their history. The book is beautifully illustrated with color photographs and diagrams.
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