Great Products Invented By Accident
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Microwave oven
A melted candy bar helped invent microwave cooking. Physicist Percy Spencer worked as an engineer at Raytheon in 1939, building magnetrons (high-powered vacuum tubes) for radar sets. One day as he stood in front of an active magnetron, that candy bar in his pocket started to melt. Next, he tried popcorn kernels, which began to pop. This eventually led to Raytheon’s invention of the first microwave oven in 1947. But be glad you didn’t have to buy one back then: They weighed 750 pounds and cost $5,000!
A melted candy bar helped invent microwave cooking. Physicist Percy Spencer worked as an engineer at Raytheon in 1939, building magnetrons (high-powered vacuum tubes) for radar sets. One day as he stood in front of an active magnetron, that candy bar in his pocket started to melt. Next, he tried popcorn kernels, which began to pop. This eventually led to Raytheon’s invention of the first microwave oven in 1947. But be glad you didn’t have to buy one back then: They weighed 750 pounds and cost $5,000!
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