Better Vacuum Thermos Ain't no party like a lunar tea party: an Apollo astronaut holds a thermos for collecting lunar regolith NASA From Popular Science:
Photonic crystal insulation could have exciting applications.
Vacuum's emptiness doesn't just pose a problem for space travelers -- a vacuum lining is also one of the best known insulators on Earth, and may help keep those holiday drinks and soups warm in your thermos. Now scientists have found that layering photonic crystals within the vacuum lining can even prevent heat loss from invisible infrared radiation.
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