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Quantum CyberTeaser: March/April 2000

B289 Smooth ascent. Two circular towers are the same height but have different diameters. A spiral staircase runs around each of the towers from top to bottom. The slopes of the staircases are identical and constant. Which staircase is longer? Solution

The winners:

• Helio Waldman (Campinas, Brazil)
• John E. Beam (Bellaire, Texas)
• Jerold Lewandowski (Troy, New York)
• Rick Armstrong (St. Louis, Missouri)
• Vincze Zsombor (Szeged, Hungary)
• Maxim Bachmutsky (Kfar-Saba, Israel)
• Theo Koupelis (Wausau, Wisconsin)
• Bruno Konder (Rio de Janeiro, Brazil)
• Mirella Murad (Curitiba, Brazil)
• Michael H. Brill (Morisville, Pennsylvania)

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