Which military technology was first marketed to the public in 1946 as the 'Radarange' and revolutionized home cooking?

Throughout history, many military innovations have successfully transitioned to commercial products. These product launches represent fascinating intersections of military history and consumer markets. Some became household names while others remained niche products. Test your knowledge about these military-to-civilian product transformations that shaped both military history and consumer culture.

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Microwave oven, developed from radar technology used in WWII
Pressure cooker, developed from submarine pressure vessels
Freeze-dried food, developed from military field rations
Ceramic cookware, developed from heat-resistant aircraft materials