Raytheon scientist Dr. Percy Spencer invented the concept of cooking food with microwave energy during radar experiments in 1946. In 1947, the first commercial microwave oven -- standing 5 1/2 feet tall, weighing over 750 pounds, and costing $5000 -- was installed in a Boston restaurant. By 1975, sales of microwave ovens exceeded that of gas ranges.
More Famous Firsts
More Famous Firsts
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