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Submission + - Whatever happened to Aerogel?

BK117 writes: "When I first saw the news releases for this amazing material (in the early 1990's) they said it would revolutionize refrigerators, hot water heaters and many other devices needing lightweight insulation. Well, I have yet to see any consumer-level appliances using aerogels. Why not?"

After the last of 16 mounting screws has been removed from an access cover, it will be discovered that the wrong access cover has been removed.