What device did Baum predict in "Tik-Tok of Oz"?
Wireless telephones
Electric cars
Solar panels
Internet
Answer
Wireless telephones were predicted by L. Frank Baum in his 1914 novel "Tik-Tok of Oz." In the book, the character of Tik-Tok uses a device called a "wireless telephone" to communicate with others. This device is described as being able to transmit and receive messages over long distances without the use of wires.
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