Is there an echo in here?
Who cares what the anti-humanists, or for that matter what the anti-polar bearists, say? But that was the point, from TFA:
Quote:
To recreate this excellent approach to insulation in something humans can wear, the University of Massachusetts Amherst engineers created a new fabric with layers that specifically recreate elements of a polar bear’s body. The base layer is made from nylon coated with a polymer known as PEDOT, which has excellent heat-retaining properties. The top layer, meanwhile, is covered in transparent polypropylene threads that help conduct visible light—whether from the sun or artificial indoor lighting—towards the nylon base layer to warm it up.
The engineers claim that a jacket made from the material they’ve created would be both “30% lighter than the same jacket made of cotton” while also keeping you “comfortable at temperatures 10 degrees Celsius colder than the cotton jacket could handle”—assuming you aren’t sitting in the dark, because the material’s warming properties are completely dependent on harnessing light.
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