Uncategorized

  1. Math

    Ancient Islamic Penrose Tiles

    Medieval Islamic artisans developed a process for creating elaborate, nonrepeating patterns now associated with Penrose tiles.

    By Julie Rehmeyer
  2. Humans

    From the February 27, 1937, issue

    Testing thermometers, measuring clouds, and a very useful mineral.

    By Science News
  3. Humans

    Lucid Movement

    Lucid Movement is a regularly updated video blog that documents the world through the lens of a high-speed video camera. The resulting videos give viewers unique perspectives on a wide range of phenomena in the world around them, depicting motions that are ordinarily too fast for the human eye to see. Go to: http://www.lucidmovement.com/

    By Science News
  4. Paleontology

    Ancient slowpoke

    A 1-centimeter-long, 505-million-year-old fossil from British Columbia represents a creature that joins two lineages of marine invertebrates from that era that scientists previously hadn't linked.