Inspired by the microstructure of polar bear hairsand how they provide heat insulation in an inhospitable environment, Chinese researchers have developed an insulator that reproduces the structure of individual hairs in a synthetic material. As the properties of polar bear hair work to prevent heat loss, they are a useful model for a synthetic heat insulator, and this new material mimics the structure of polar bear hairs to lock in heat in the same way, in a development that could find useful applications in architecture and aerospace.
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