This is in addition to a thread Slowhike had made earlier, see: [I]serarch function[I]: "Aerogel" for more info. Aerogel is an ultralight (nearly as light as air) product that provides tremendous insulation, it practically stop heat from escaping altogether from a space. It is now available in blankets to the consumer. See below for quotes from links, and link to provider.
Quotes/Summary of link:
"...you could take a two- or three-bedroom house, insulate it with aerogel, and you could heat the house with a candle. But eventually the house would become too hot."
"..it can make sense in certain cases, particularly masonry or curved walls."
"...made by removing the liquid from gels, resulting in a material that is more than 90 percent air."
"...aerogel blankets have two to four times the insulating value per inch compared to fiberglass or foam."
Already being used in outdoor gear:
So whos gonna be the first to try one out?