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Quantum CyberTeaser: September/October 1995

B153 Up or down? A Ping-Pong ball is tossed into the air. Will it take longer for it to go up or to come back down? [A. Savin] Solution

The winners:

• Jim Hanby (Lexington, South Carolina)
• Louis Smadbeck (Martha's Vinyard, Massachusetts)
• Jeff Dodson (Long Beach, California)
• Hal Harris (St. Louis, Missouri)
• Ben Davis (Wayne, Maine)
• Paul Grayson (Urbana, Illinois)
• Daniel Jordan (Roscoe, Illinois)
• Cheng-Chih Chien (Columbus, Ohio)
• Ophir Yoktan (Jerusalem, Israel)

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