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8 June, 13:58

Which of the following was NOT invented in the early 1900s? A. Popsicle B. Microwave oven C. Frisbee D. Ice cream cone

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  1. 8 June, 14:16
    0
    Correct answer choice is:

    B) Microwave oven

    Explanation:

    American engineer Percy Spencer is frequently attributed with creating the latest microwave oven after World War II from electronics technology formed during the war. Called the Radarange, it was first sold in 1946. Raytheon later authorized its limitations for a home-use microwave oven that was first launched by Tappan in 1955, but these units were still too big and costly for common home use. Sharp Corporation launched the first microwave oven with a turntable between 1964 and 1966. The countertop microwave oven was first launched in 1967 by the Amana Corporation.
  2. 8 June, 17:10
    0
    Among the choices, the one that is not invented in the early 1900s is B. microwave oven. This was discovered by Percy Spencer in 1945 which although did not take any formal training in the electrical engineering field or schooling, his interest in wireless communication and learning was enough.
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