Which of these scientific consumer products was originally developed by NASA for spacecraft insulation before becoming a widely used household item?

The journey from scientific discovery to consumer product can be long and fascinating. Some laboratory innovations transform entire industries, while others become everyday items we can't imagine living without. This trivia question explores a groundbreaking scientific product that changed how we interact with our environment. Test your knowledge of the intersection between scientific innovation and consumer product development!

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Memory foam mattresses
Teflon non-stick coating
Microwave ovens
Air purifiers with HEPA filters