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Quantum CyberTeaser: January/February 1996


B163

Shady matters. Everyone knows that a shadow cast by the Sun changes during the day—it’s longest at sunrise and sunset and shortest at noon. Is there a place on Earth where a shadow stays the same length all day long?

Solution


The winners:

  • Roger Khazan (Waltham, Massachusetts)
  • Ophir Yoktan (Jerusalem, Israel)
  • Joe Pascoe (Tonawanda, New York)
  • Oleg Shpyrko (Rochester, New York)
  • Byron Peterson (Regina, Saskatchewan)
  • Brian Platt (Woods Cross, Utah)
  • Sterling Marshall (St. Louis, Missouri)
  • Matthew Padilla (Lombard, Illinois)
  • David Craig (Clemson, South Carolina)
  • Sheena Delgado (Lansing, Michigan)

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