Uncategorized

  1. Animals

    Snail Highways: By following trails, periwinkles save slime

    A snail that follows another snail's slimy path saves energy by not having to secrete so much mucus.

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  2. Materials Science

    The New Black: A nanoscale coating reflects almost no light

    A "carpet" of microscopic filaments sprayed onto a surface can prevent it from reflecting light, a potentially useful trait for technologies from solar cells to fiber-optic communications.

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  3. 19800

    E. Fred Schubert and his colleagues are to be congratulated for developing an improved antireflective coating. But the coating would not make a lens “absorb” more light. Rather, it would help the lens “propagate” the light.