Launch a Tennis Ball Contest
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JPL Invention Challenge 2006
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Richard Goldstein launches tennis balls 'Arc of Triumph'
Richard Goldstein and his "Arc of Triumph" won third place in the JPL team category. Goldstein had five minutes to load, aim and hit the switch to direct the tennis balls into the metal trash can. His device landed 12 tennis balls in the allotted 60 seconds.
 
  Jet Propulsion Laboratory
   California Institute of Technology