The idea of using microwave energy to cook food was accidentally discovered by Percy LeBaron Spencer of the Raytheon Company when he found that radar waves had melted a candy bar in his pocket. Experiments showed that microwave heating could raise the internal temperature of many foods far more rapidly than a conventional oven. The first Raytheon commercial microwave oven was the 1161 Radarange, which was marketed in 1954. Rated at 1600 watts, it was so large and expensive that it was practical only for restaurant and institutional use.
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The CD was invented in 2001 Thomas clamps invented it.
invented in 500BC before electricity was invented
Gloria Mejia invented it and she invented it in 1998
When and where were snickerdoodles invented Why were snickerdoodles invented
who invented the washboard?
Yes, the computer is invented.
Invented is the past participle of the verb invent. verb /past /past participle = invent /invented /invented
when was sprite invented ! == == when was sprite invented ! == ==
The Chinese invented the Rudder.it was invented by the Chinese
how invented the quad bike how invented the quad bike how invented the quad bike
Clothes were invented 1000ends of years ago God first invented the clothes