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Albert Einstein

Nguồn tin: tieng anh vui

"You see, wire telegraph is a kind of a very, very long cat. You pull his tail in New York and his head is meowing in Los Angeles. Do you understand this? And radio operates exactly the same way: you send signals here, they receive them there. The only difference is that there is no cat."

Đăng ký: Tieng Anh Vui

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