Ying Cui
It’s a bunny in bear’s clothing. By wrapping a rabbit up in a new textile inspired by polar bear hair, researchers have been able to keep all the animal’s body heat in, keeping it both cosy and invisible to infrared imaging.
The hollow interior structure of a polar bear’s fur helps the bears insulate themselves against harsh Arctic winters. Each hair is about 200 micrometre across, full of pores 15 to 20 micrometres wide. It is harder for heat to …
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