Uncategorized

  1. Math

    A Twist on the Möbius Band

    The twisted, single-sided loop known as a Möbius band, when made from a stiff material such as paper, takes on a complicated shape that researchers have finally calculated.

    By Julie Rehmeyer
  2. Humans

    Universities seek armchair astronomers

    Scientists are recruiting online help from the public to classify the shapes of 1 million galaxies in never-before-viewed photographs.

    By Janet Raloff
  3. Humans

    Letters from the July 28, 2007, issue of Science News

    Gyro Q & A Doesn’t “Spinning into Control” (SN: 05/19/07, p. 312) on flywheels leave out a significant aspect: the gyroscope effects of a rotating large mass? Wouldn’t it be a benefit for moving installations (stabilization) and a problem for immobile installations? Lee HukillPalo Alto, Calif.