Is it true the Microwave wasn invented until the 70s?
Not true. 1946 was its discovery, and it widespread use began in mid-1960s. Invention of Microwave Oven We can say that the invention of the microwave oven happened by chance. The credit for inventing the microwave oven goes to Dr. Percy Spencer, an engineer with Raytheon Corporation. He invented this amazing kitchen appliance in the year 1946 while working on a research project of radar. While conducting a test for a special kind of vacuum tube called a magnetron, he found that a candy bar kept in his pocket had melted. He got curious to know whether it happened due to the heat generated by the magnetron tube or not. So he placed some popcorn kernels close to the tube and observed it closely. After a few minutes, he surprisingly found that the popcorn started cracking and popping all over the laboratory. The very next day, he and his colleague came up with the idea of placing an egg in front of the magnetron tube. Again, they found that in no time the egg started moving because of hig
