Which of these popular consumer products was originally developed as part of a military project to improve battlefield medical care during the Vietnam War?

Many military technologies have transformed into everyday consumer products. This evolution represents one of the most impactful trends in product development history, where innovations originally designed for warfare found their way into civilian markets. From the internet to GPS, military R&D has shaped our retail landscape in profound ways. Test your knowledge about this fascinating crossover between military history and product development!

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Memory foam mattresses
Microwave ovens
Digital cameras
Energy drinks