fluid dynamics

  • Dense Tangled Fur Keeps Seals Warm In Cold Water

    Dense Tangled Fur Keeps Seals Warm In Cold Water

    Seals and otters stay warm in cold water because their fur is ideally structured for trapping insulating air. These unique hairy surfaces could inspire the design of new kinds of textiles, such as wet suits that are textured instead of smooth to keep divers warm in cold water.